Step-by-step explanation:
60+40=100
70+30=100
80+20=100
hope it helps
two numbers are 10 units away in different directions from their midpoint, m, on a number line. the product of the numbers is –99. which equation can be used to find m, the midpoint of the two numbers? (m – 5)(m 5)
The mid point of equation is [tex]m^{2} - 100 = -99[/tex].
The Midpoint is the middle point of a line segment. It is equidistant from both endpoints, and it is the centroid both of the segment and of the endpoints. It bisects the segment.
We have been given that two numbers are 10 units away in different directions from their midpoint, m, on a number line.
The two numbers that are 10 units away indifferent directions would be (m - 10) and(m+10).
The product of both number would be(m -10)(m + 10) .
Since the product of both numbers is -99, so we can represent this information in an equations (m -10)(m + 10) = -99.
Let us simplify our equation using difference of squares[tex](a + b)(a - b) =a^{2} - b^{2}[/tex]
as: [tex]m^{2} - 10^2= -99[/tex]
[tex]m^{2} - 100 = -99[/tex]
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what multiplication equation can you use to find 5 divided by 1/3
When 5 is divided by 1/3, we get 15.
What is multiplication?
Multiplication is an operation that represents the basic idea of repeated addition of the same number.
Given is 5 divided by 1/3.
Assume the result after 5 is divided by 1/3 is equal to [x]. Then, we can write -
x = 5/(1/3) = 15
Therefore, when 5 is divided by 1/3, we get 15.
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The population of the town Val lives in is about 8*10 to the power of 3.The population of the town that Vic lives in is about 6*10 tot he power of 4.Whose town has the greater population?By how many people?
The population of town Vic is greater than population of town Val by 52000 .
In the question ,
it is given that
the population of town Val = 8x10³
the population of town Vic = 6x10⁴
Rewriting both the numbers we get
population of town Val = 8x1000 = 8000
population of town Vic = 6x10000 = 60000
It can be clearly seen that 60000 > 8000
So the population of Vic > population of Val
To calculate the difference subtract the population of Val from population of Vic .
Substituting the values of population we get ,
difference = 60000 - 8000
= 52000
Therefore , the population of town Vic is greater than population of town Val by 52000 .
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please help i will mark brainliest if u help
The correct option is D, -√15 < -2.75 < -2 3/8 < 15/2.
What is a number line?
A number line is just that – a straight, horizontal line with numbers placed at even increments along the length. It’s not a ruler, so the space between each number doesn’t matter, but the numbers included on the line determine how it’s meant to be used.
The value of the given numbers in the decimal form can be written as,
-√15 = -3.873
√15 = 3.873
15/2 = 7.5
-15/2 = -7.5
2 3/8 = 2.375
-2 3/8 = -2.375
Now, let's check in which options are the numbers arranged correctly.
A.) -√15 < -2 3/8 < -2.75 < 15/2
Since -2 3/8 > -2.75. Therefore, this is wrong.
B.) 15/2 < -2 3/8 < -2.75 < -√15
Since -2 3/8 > -2.75. Therefore, this is wrong.
C.) 15/2 < -2.75 < -2 3/8 < -√15
Since 15/2 > -2.75. Therefore, this is wrong.
D.) -√15 < -2.75 < -2 3/8 < 15/2
This is correctly arranged.
Hence, the correct option is D.
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5t+3t=100
what is t?
Answer:
t=12.5
Step-by-step explanation:
First of you're going to combine liked terms, (5t+3t) to get 8t. You want to get t isolated so you're going to divide it by 8 to get t by itself, you are also going to do 100 divided by 8 because to remain equal you have to do the math on both sides.
you have to round to the nearest cent (??)
The exponential functions to the nearest cent :
y = (500)(1.06)^3 is $595.51
y = (20,000)(0.088)^3 is 13,629,44
y = (15,000)(1.05)^5 = 19,144.22
How to round off to the nearest cent?Cent is hundredth value of the dollar. The hundredth term is the second digit to the right of the decimal point. For example, the cent in this amount, $100.11 is 0.01.
In order to round off to the nearest cent, look at the thousandth term, if the number is equal to 5 or greater than 5, add 1 to the hundredth term and the thousandth term becomes 0. For example, $100.527 to the nearest cent is $100.53
In order to round off to the nearest cent, look at the thousandth term, if the number is less than 5, the hundredth term does not change and thousandth term becomes 0. For example, $20. 124 becomes $20.12 to the nearest cent.
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When a company first started it had 85 employees. It was decided to increase the number of employees by the 10 at the beginning of each year. PLs help me with this question!!!
a. Find the number of employees during the second year and during the third year
b. How many employees will this company have during the 10th year?
c. After how many years will the company have 285 employees?
Answer:
a. 105 and 115 employees
b. 185 employees
c. 20 years
Step-by-step explanation:
The total of employees at any given year is y
x is the number of year
then y = 85 + 10x
a. 2nd year: y = 85 + 10(2) = 85 + 20 = 105
3rd year: y = 85 + 10(3) = 85 + 30 = 115
b. 10th year: y = 85 + 10(10) = 85 + 100 = 185
c: if y = 285
285 = 85 + 10x
10x = 285 - 85
10x = 200
x = 20
Find the unit rate for each store. Then decide which offers the better buy.
Store A
5 bottles of juice for $10
Store B
9 bottles of juice for $21
under which conditions does the commutative property apply to compositions of f(x) and g(x)?when f(g(x)) and g(f(x) are inverse functionswhen f(g(x)) and g(f(x) are equal for at least one value of xwhen f(g(x)) and g(f(x) are equal for all values of xwhen f(g(x)) and g(f(x) are not inverse functi
The commutative property apply to compositions of f(x) and g(x) when f(g(x)) and g(f(x)) are equal for all values of x.
The commutative property says that [tex]a*b=b*a[/tex] , for any binary operation [tex]'*'[/tex]. These binary operations can be addition, multiplication, function composition, etc. But subtraction and division does not follow commutative property.
Here the operation is composition of two functions defined as,
[tex](fog) (x)= f(g(x))[/tex] ,where f and g are two functions.
Then the function composition has commutative property when
[tex]fog = gof[/tex].
That is, when f(g(x)) = g(f(x))
This means that the commutative property apply to the composition of functions, f(x) and g(x) when f(g(x)) and g(f(x) are equal for all values of x.
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Find the 6th term of the arithmetic sequence x+2, -6x-3, -13x-8,...
Weighs 2 grams per milliliter of volume. Express this density in kilograms per pint. Round your answer to the nearest hundredth
This density in kilograms per pint is 0.946.
Important conversions:
1 gram = 0.001 kilogram
1 ml = 0.001 litres
1 pint = 0.473 litres
1 litre = 2.113 pints
Step 1 : Convert 2 grams per millilitre of volume (2 g/ml) into kilograms per litre (kg/l)
Divide 2 grams per millilitre (g/ml) by 0.001 and multiply with 1000 to get the density in kilograms per litre (kg/l)=> (2 x 1000)/ (0.001) = 2 kg / l
Therefore, we get the density in kilograms per litre (kg/l) as 2 kg/l.
Step 2 : Convert the density in kilogram per litre (kg/l) into kilograms per pint (kg/pint)
Multiply 2 kilograms per litre with 0.473 to get the density in kilograms per pint=> 2 x 0.473 = 0.946 kg/l
Therefore, by converting 2 grams per millilitre of volume into kilograms per pint, we get the density as 0.946 kg/pint.
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in a right triangle, the longest side opposite the right angle is called the hypotenuse and the other two sides are called ---select--- .
The right angle is called the hypotenuse and the other two sides are called adjacent and opposite.
Right angle triangleA right angled triangle is a triangle that has 3 sides and angles. For a right angled triangle, one of the angles is 90 degrees.
The longest side of the triangle is hypotenuse and the other two sides are known as the adjacent and opposite.
Hence in a right triangle, the longest side opposite the right angle is called the hypotenuse and the other two sides are called adjacent and opposite.
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In the circle, BC is a diameter. What is the measure of x?
The measure of the angle x is 22.5 degrees
Circle geometryCircle theorem includes the concept of tangents, sectors, angles, the chord of a circle and proofs.
A circle is the locus of all points in a plane which are equidistant from a fixed point
From the given diagram
arc AC = 180 - 135
arcAC = 45 degrees
Since the angle at the vertex is half the intercepted arc, hence;
x = 1/2(arc AC)
x = 1/2(45)
x = 22.5 degrees
Hence the measure of the angle x is 22.5 degrees
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8|x-2|=2 solve for x
Answer:
Step-by-step explanation:
Solve negative four and one fifth ÷ two and one fourth.
one and 39 over 45
negative one and 39 over 45
negative eight and one twentieth
negative nine and 9 over 20
Solving the fraction negative four and one fifth ÷ two and one fourth gives; negative one and 39 over 45
How to divide fractions?We want to divide the fraction negative four and one fifth ÷ two and one fourth. This can be expressed as;
-4¹/₅ ÷ 2¹/₄
Converting to improper fraction gives;
-21/5 ÷ 9/4
= -21/5 * 4/9
= -84/45
3 is a common factor that both numerator and denominator can be divided by to get; -28/15
Expressing the answer as a mixed fraction is; -1 ³⁹/₄₅
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Keeping the properties of exponents in mind, to what power must you raise the expression 7 to get 7 as the result?
The midpoint of \overline{\text{AB}} AB is M(-5, 0)M(−5,0). If the coordinates of AA are (-3, 3)(−3,3), what are the coordinates of BB?
The coordinate of B is (13, -3).
What is Midpoint of line?
Measure of Distance between the two points and then divide by two is known as midpoint of line.
Given that;
The midpoint of the line AB is M (-5, 0).
The coordinate of A is (-3, 3).
Now, Let the coordinate of the point B is (x, y )
Then, By definition of midpoint of two point,
(-3 + x / 2 , 3 + y / 2 ) = (-5, 0)
By compare we get;
-3+ x / 2 = -5
- 3 + x = 2 * 5
- 3 + x = 10
x = 10 + 3
x = 13
And, 3 + y / 2 = 0
3 + y = 0
y = -3
Hence, The coordinate of B (x, y) = (13, -3).
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Answer: (−7,−3)
Step-by-step explanation: I had the question
4. State what additional information is required in order to know that the triangles are congruent by the SSS Triangle Congruence Postulate
The additional information required to prove the SSS Triangle Congruence Postulate is TR = JL
How to state the additional information required?The congruence postulate is given as:
SSS Triangle Congruence Postulate
The above means that the three sides of the triangles are congruent.
From the figure, the following side lengths are said to be congruent
ST and KL
SR and KJ
For the congruence postulate of the triangle to be SSS Triangle Congruence Postulate, then the third corresponding sides must be congruent
This is represented as:
TR = JL
Hence, the additional information required to prove the SSS Triangle Congruence Postulate is TR = JL
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An angle is 134.2 more than the measure of its supplementary angle
Supplementary angles are two angles whose measures add up to 180°. If An angle is 134.2 then other angles are 22.9.
What are supplementary Angles?Supplementary angles are two angles whose measures add up to 180°
Supplementary angles are those that add up to 180.
supplementary angle: x
an angle: x+134.2
and together they must measure 180:
x+x+134.2 = 180
2x+134.2=180
2x=180-134.2
2x=45.8
x=22.9
This is the supplementary angle the other angle is 22.9+134.2 = 157.1
Thus the the angle of each is 22.9.
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Use matrices A and B. Compute B - A, if you can. (1 point)
What numbers are a distance of 1/2 unit from 3/5 on a number line?
Select the locations on the number line to plot the points.
info(i rather you draw on the image where the dot goes, if you can)-
picture-------------------------------------------------------
Step-by-step explanation:
hey try out the questions urself some tips would be to make the 1/2 and 3/5 have the same denominator as those shown in the diagram denominator means the number below
so1/2 x5 would give u 5/10 and 3/5 would give you 6/10
(x+7)+(3x-11)=180
what would be the answer
help pls i hslsjdnkxkdjdjdj
Answer:
(a)20π
(b)74π
Step-by-step explanation:
(a) 2π(5) + (2π(10) × 1/2) = 2π(5) + 2π(5)
= 2π(10)
= 20π
(b) π(5)^2 + (π(10)^2 × 1/2) = 25π + 50π
=75π
Answer: P=20 cm S=75 cm²
Step-by-step explanation:
We have 2 semicircles with diameter d=10 cm and 1 semicircle with diameter D=20 cm
[tex]\displaystyle\\The\ length \ of \ the\ circle\ is\ \pi D\\The\ length\ of \ the\ semicircle \ is\ \frac{\pi D}{2}[/tex]
[tex]\displaystyle\\a)\\P=2*\frac{\pi d }{2} +\frac{\pi D}{2} \\\\P=\pi d+\frac{\pi D}{2} \\\\P=\pi *(d+\frac{D}{2} )\\P=\pi *(10+\frac{20}{3} )\\\\P=\pi *(10+10)\\\\P=20\pi \ cm\\\\[/tex]
[tex]b)\\\displaystyle\\The\ area \ of \ the\ circle\ is\ \frac{\pi D^2}{4} \\The\ area\ of \ the\ semicircle \ is\ \frac{\pi D^2}{8}\\\\S=2*\frac{\pi d^2}{8} +\frac{\pi D^2}{8} \\\\S=\frac{2*\pi *10^2}8} +\frac{\pi *20^2}{8} \\\\S=\frac{2*\pi*100 }{8} +\frac{\pi *400}{8} \\\\S=\frac{200\pi }{8}+\frac{400\pi }{8} \\\\S=\frac{600\pi }{8} \\\\S=75\pi \ cm^2[/tex]
determine the gradient of the line through (-1;2)and (0;-4)
Step-by-step explanation:
gradient = slope. or similar names.
it expresses the "steepness" of the line. how strongly is it going up or down or ... at all ?
it is represented by the ratio
(y coordinate difference / x coordinate difference)
when going from one point on the line to another.
for these 2 points we see (when going from the first to the second)
x changes by +1 (from -1 to 0).
y changes by -6 (from 2 to -4).
so the slope or gradient is
-6/+1 = -6
Find x from this parallelogram
The value of x in the given parallelogram is: x = 90°.
What is a Parallelogram?A parallelogram is a quadrilateral with four interior angles and four sides, whose opposite angles are equal to each other.
In the image given:
Angle A = 120°
Since ABCD is a parallelogram, therefore, the angle that is opposite to angle A would also be 120°. Therefore:
Angle C = 120°
Angle D = 180 - 120 = 60°.
Angle DCO = 1/2(angle C) = 1/2(120) = 60°
Angle CDO = 1/2(angle D) = 1/2(60) = 30°
x = 180 - m<DCO - m<CDO [triangle sum theorem]
Substitute
x = 180 - 60 - 30
x = 90°
Therefore, the value of x in the given parallelogram is: 90°.
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2x + 6y = -3
12y = 4x + 20
Answer: x=-3.25
y=7/12
Step-by-step explanation:
2x + 6y = -3
12y = 4x + 20
6y = -3-2x
6y=20-(-3)+4x-(-2x)
6y=20+3+4x+2x
6y=23+6x
23+6x=-3-2x
23=-3-8x
-8x=26
x=-13/4
x=-3.25
12y = 4(-3.25) + 20
12y=-13+20
12y=7
y=7/12
34.
Match each equation with the corresponding equation solved for a.
A. a + 2b = 5
1.a=2/
B. 5a = 2b
2.a ==
C.a +5=2b
3. a = -2b
D. 5(a + 2b) = 0
4. a=2b-5
E. 5a + 2b =0
5. a=5-2b
Based on the solution below, we have:
A. a + 2b =5 corresponds to 5. a = 5 - 2b;
B. 5a = 2b corresponds to 1. a = 2b/5;
C. a + 5 = 2b corresponds to 4. a = 2b - 5;
D. 5(a + 2b) = 0 corresponds to 3. a = -2b; and
E. 5a + 2b=0 corresponds to 2. a = -2b/5.
How do we solve an equation for a variable?For clarity purposes, the equations in the question are restated as follows:
A. a + 2b = 5 1. a = 2b/5
B. 5a = 2b 2. a = -2b/5
C. a + 5 = 2b 3. a = -2b
D. 5(a + 2b) = 0 4. a = 2b-5
E. 5a + 2b =0 5. a = 5-2b
A. From the equation a + 2b = 5, a can be solved as follows:
a + 2b = 5
a = 5 - 2b
B. From the equation 5a = 2b, a can be solved as follows:
5a = 2b
a = 2b/5
C. From the equation a + 5 = 2b, a can be solved as follows:
a + 5 = 2b
a = 2b - 5
D. From the equation 5(a + 2b) = 0, a can be solved as follows:
5(a + 2b) = 0
5a + 10b = 0
5a = -10b
a = -10b/5
a = -2b
E. From the equation 5a + 2b =0, a can be solved as follows:
5a + 2b =0
5a = -2b
a = -2b/5
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help me again now i will have a little more
Using the average rate of change, it is found that snow was falling at a rate of 0.1 inch an hour during the first period.
What is the missing information?This problem is incomplete, but researching it on a search engine, it asks the rate at which snow was falling during the first period.
What is the average rate of change of a function?The average rate of change of a function is given by the change in the output divided by the change in the input. Hence, over an interval [a,b], the rate is given as follows:
[tex]r = \frac{f(b) - f(a)}{b - a}[/tex]
From the graph, the first period is until the 10th hour, hence:
f(0) = 1.f(10) = 2.The rate is:
r = (2 - 1)/(10 - 0) = 0.1.
Hence snow was falling at a rate of 0.1 inch an hour during the first period.
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Let f(x)=5x-6. Write a function g whose graph is horizontal shrink of the graph of f by a factor of 1/4
The transformed function is g(x)=
The transformed function is g(x) = 20x-6.
The graph of the function y=f(ax) represents a Horizontal Shrink by a factor of "1/a" of the graph y=f(x) .
To find the horizontal shrink by a factor of 1/a we multiply the input by a .
In the given question
f(x)=5x-6 , is horizontally shrink by a factor of 1/4.
So we multiply the inputs by 4 .
On multiplying the inputs by 4 , we get
f(4x)=5(4x)-6 (...as 5*4=20)
Let g(x) represents the horizontal shrink of f(x) by factor 1/4 , So
g(x)=20x-6
Therefore , the horizontal shrink of the graph of f by a factor of 1/4 is g(x)=20x-6.
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At a local farmers market, Jose bought a watermelon that weighted 83.2 ounces.
Watermelon cost $1.35 per pound
There are 16 ounces in a pound
How much did Jose watermelon cost?
Answer:
The watermelon's price was $7.02
Step-by-step explanation:
83.2 ounces= 5.2 pound
The watermelon that Jose bought weights 5.2 pounds
If 1 pound= $1.35
5.2= $7.02