Answer:
A.
an=−6 · 2n−1; −3,072a subscript n baseline equals negative 6 times 2 superscript n minus 1 baseline semi-colon negative 3,072
Step-by-step explanation:
When Ms. Perez has excellent service at a restaurant, the amount she leaves for a tip t is at least 20% of the cost of the meal c. Write a model representing the amount of the tip.
Answer:
t ≥ 0.2c
Step-by-step explanation:
Her tip is at least 20% of the cost of the meal, so her tip is greater than or equal to 20% of the cost of the meal
tip ≥ 20% of the cost of the meal
t ≥ 20% of c
Another way of writing "20% of c" is multiplying the two values, so we have
20% of c = 20% * c
t ≥ 20% * c
To convert from a percentage to a decimal, we can divide the percentage by 100. Here, we have
20% = 0.2
t ≥ 0.2 * c
What is the domain of the function y = [tex]\sqrt{x}[/tex]
A)Negative infinity less-than x less-than infinity
B)0 less-than x less-than infinity
C)0 less-than-or-equal-to x less-than infinity
D)1 less-than-or-equal-to x less-than infinity
Answer:
C is the answer
Step-by-step explanation:
The domain can't be minus. That's the only stipulation. It can be equal to 0 or anything larger than 0. It just can't go into the minus numbers.
0≤x<infinity.
C
A steel ball has a volume of 1500 cm.
The density of the ball is 95 g/cm'.
Find the mass of the ball in kg.
Answer:
95kg
Step-by-step explanation:
Mass÷Volume=Density
Therefore, Mass = Volume × Density
Mass = 1500 × 95
Mass = 95,000g
Since we were asked to find the mass in kg:
1000g = 1kg
Therefore, 95,000g = 95kg
Solve for x.
21)
60°
8x
80°
Answer:
x = 5
Step-by-step explanation:
Sum of angles = 180, so
60 + 80 + 8x = 180
140 + 8x = 180
8x = 180 - 140 = 40
x = 40/8 = 5
plz answer it plz
step by step plz
Answer:
answer is subtract the 180-120=80
Answer:
Y = 60[tex]\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}[/tex]
What is the Standard Deviation of the following set of data?
14, 22, 18, 12, 14, 8, 4, 12, 32, 12
Answer:
34
Step-by-step explanation:
34 because i beleive so
At the beginning of March, a store bought a leather couch at a cost of $960.70 and marked it up 20%. At the end of the month, the leather couch had not sold, so the store marked it down 25%. What was the discounted price? Submit
Answer: $864.63
Step-by-step explanation:
First find the original price. Write 20% as the decimal 0.20 before using it in the equation.
price
= cost+mark-up
= 960.70+0.20×960.70
= 960.70+192.14
= 1,152.84
The original price was $1,152.84.
Now find the discount price. Write 25% as the decimal 0.25 before using it in the equation.
discount price
= original price–discount
= 1,152.84–0.25×1,152.84
= 1,152.84–288.21
= 864.63
The discount price was $864.63.
A rectangle has a length of 22 m and a width of 400 cm. What is the perimeter of the rectangle? (Hint: all units must be the same)
Group of answer choices
5,200 cm
1,600 cm
844 cm
3,000 cm
Answer:it's 844
Step-by-step explanation:
URGENT! HELP ME I WILL MARK YOU BRAINLIEST !!!!
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Answer:
C.................is the answer
Answer:
a)=10m
b)(x+1)
c)=(27x+9)
d=(3x+1)
NEED HELP ASAP
giving brainly
Answer:
A&C
Step-by-step explanation:
They are negative and even and they are not positive and even too.
Answer:
A
Step-by-step explanation:
Technically A and C are correct but we are dealing with only negative even values. A non-positive integer is any negative number or zero but we don't have that value so it makes more sense to choose A than C. B is incorrect because a whole number can't include a negative number, a fraction, or a decimal. D is also incorrect because a non-negative integer is a positive number which we don't have in the set.
Best of Luck!
(question 31) if arc mBC =120 and arc mAD =50 whatis the measure of angle DYC
===============================================================
Explanation:
First, let's calculate angle BYC. This is the angle formed by the chords that subtend the arcs mentioned. This angle faces or is aimed toward the direction of the arcs. To find this angle, we'll average the arc measures like so:
angle BYC = (arcAD + arcBC)/2
angle BYC = (50+120)/2
angle BYC = 170/2
angle BYC = 85 degrees
Then we'll use the idea that angles BYC and DYC are supplementary (aka they form a straight 180 degree angle)
angleBYC + angleDYC = 180
angleDYC = 180 - angleBYC
angleDYC = 180 - 85
angleDYC = 95 degrees
which is why the answer is choice D.
The tape diagram represents an equation.
Write an equation to represent the image.
Answer:
m + 1/4 = 2/3
Step-by-step explanation:
Since they are equal lengths set them = to each other.
2/3 - 1/4= 5/12; 1/4 + m = 2/3
We know it's subtraction as the tape diagram above has 2 pieces, both smaller than the whole tape diagram below it. Also, knowing it has 2 pieces and that 1/4 is small than 2/3 help us know that it's subtraction.
I hope I've helped!
HELLLPPP Multiply. Write your answer in scientific notation. 6 (2 x 10^)(1 x 10
Answer:
[tex](2 \times {10}^{4} )(1 \times 10 ^{6} ) \\ = 2 \times {10}^{10} [/tex]
I hope I helped you^_^
Answer:
2×10^10
Step-by-step explanation:
Jonathan has no money and he owes three friends fifteen dollars each. What is his worth?
Answer:
-$45
Step-by-step explanation:
Find how much he owes his friends in total by multiplying 3 by 15:
3(15)
= 45
So, he owes his friends $45.
Since he has no money, we can find his worth by subtracting 45 from 0:
0 - 45
= -45
His worth is -$45.
WILL MARK BRAINLIEST !!! PLEASE
find the length of PQ
[tex]\\ \rm\longmapsto L=\dfrac{\Theta}{180}\times \pi r[/tex]
[tex]\\ \rm\longmapsto PQ=\dfrac{135}{180}\times 3.14(12)[/tex]
[tex]\\ \rm\longmapsto PQ=\dfrac{3}{4}\times 37.68[/tex]
[tex]\\ \rm\longmapsto PQ=\dfrac{113.04}{4}[/tex]
[tex]\\ \rm\longmapsto PQ=28.3[/tex]
is the mistake one two three or is their no mistake
Answer:
the mistake is that to "remove" the 1/2 on the left you would have to multiply by 2 (or divide by 1/2 but no one does that)
the result would be that 2h-4 = 10 should actually be 2h-4 = 20
Step-by-step explanation:
Is the following number rational or irrational?
TV4
Choose 1 answer:
A
Rational
В
Irrational
Answer:
B irrational :]..............
Order the following numbers from least to greatest. 4,-2,-3,5,-1
Answer:
-3,-2,-1,4,5
I really hope this helps you a lot!
Step-by-step explanation:
Answer:
-3,-2,-1,4,5..
Step-by-step explanation:
janh xD I urself ds
100 POINTS AND CROWNED BRAINLIEST!!! PLS HELP ONLY 30 MINS LEFT!!
Determine whether each equation represents y as a function of x.
y= l 4-x l
¿Alguien sabe como realizarlo?
Which of the following set of angles could be the measurements of a triangle
The source of this question is on learning farm 7th grade
Please help me! I need details. I will appreciate it very much and I will mark Brainllist! Please! ASAP
Answer:
(1, 4), (2, 8), (3, 12)
Step-by-step explanation:
The ratio if the number if books to the cost in dollars is 1 : 4
To plot on a coordinate grid, we first look at the horizontal direction (x-axis)
Take the number of books to be values of the x-coordinate.
Start at the origin and travel the necessary distance to the left or the right then move up or down in the vertical direction to mark the y-coordinate.
The corresponding cost to be the values of the y-coordinate. Mark or plot at the intersection of the two numbers.
Solve the Proportion
5 = x
-- --
12 36
Answer:
[tex]x = 15x[/tex]
Step-by-step explanation:
[tex] \frac{5}{12} = \frac{x}{36} [/tex]
[tex] \frac{5 \times 36}{12 } = x[/tex]
[tex]5 \times 36 = 12x[/tex]
[tex]180 = 12x[/tex]
[tex]12x = 180[/tex]
[tex]12x \div 12 = 180 \div 12[/tex]
[tex]x = 180 \div 12[/tex]
[tex]x = 15[/tex]
Solve the simultaneous equations. to. 3 significant figures.
3x^2 + y^2 = 20
2x + y =3
Answer:
check explanation
Step-by-step explanation:
in eqn 2,
y = 3 - 2x
substitute for it in eqn 1
3x² + y² = 20
3x² + (3 - 2x)² = 20
3x² + 9 - 12x + 4x² = 20
Group like terms;
3x² + 4x² - 12x = 20 -9
7x² - 12x = 11
x(7x - 12) = 11
x = 11,
OR
7x - 12 = 11
7x = 11 + 12
7x = 23
x = 23/7
x = 3.286
To get y, substitute for x in eqn 2
WHEN x = 11,
y = 3 - 2(11)
y = 3 - 22
y = -19
WHEN x = 3.286
y = 3 - 2(3.386)
y = -3.772
11. Make Sense and Persevere The sum of four
consecutive integers is –18. What is the greatest
of these integers?
Answer:
-3
Step-by-step explanation:
4n+ 6 = -18
4n=-24
n = -6
-6,-5,-4,-3
largest is -3
Answer:
[tex]\displaystyle -3[/tex]
Step-by-step explanation:
[tex]\displaystyle -18 = 6 + 4n → \frac{-24}{4} = \frac{4n}{4} \\ \\ -6 = n \\ \\ \\ -6, -5, -4, \boxed{-3}[/tex]
Hence, you have your answer.
I am joyous to assist you at any time.
"The difference between m and n."
Answer:
Step-by-step explanation:
They are diffrent values
katya is 1/8 the height of a tree in a forest. olga is 1/8 the height of the same tree. who is taller?
Answer:
2/8 you plus it
Step-by-step explanation:
you should plus both
Simplify: 6m2,2 – 3mn + 14mn + 10m²n2 + 9 O 27m2n2 + 9 16m?n? + 11mn + 9 16m4n" + 1lm?n? + 9 0 16mn+ 17mn + 9
Answer:
2nd one is the ans
16m*2n*2+11mn+9
Solve 29 – 3:= 5x + 5 for x.
Answer:
x=4.2
Step-by-step explanation:
29-3=5x+5
21=5x, x=21/5=4.2
0.5t + 0.25(t +16) =4 + 0.75t
Answer:
0.5t + 0.25(t +16) =4 + 0.75t
0.5t + 0.25t + 4 = 4 + 0.75t
0.5t+ 0.25t – 0.75 t = 4– 4
0.5t +0.25t–0.75t = 0 —> 0 = 0
I hope I helped you^_^
Answer: All Real Numbers or A.R.N
Step-by-step explanation:
Given
0.5t + 0.25 (t + 16) = 4 + 0.75t
Expand parentheses and apply the distributive property
0.5t + 0.25 · t + 0.25 · 16 = 4 + 0.75t
0.5t + 0.25t +4 = 4 + 0.75t
Combine like terms
0.75t + 4 = 4 + 0.75t
Subtract 0.75t on both sides
0.75t + 4 - 0.75t = 4 + 0.75t - 0.75t
4 = 4
Since both sides are left with the same term, this means any number would be able to make the equation true.
Therefore the answer would be All Real Numbers, or [tex]\boxed{A.R.N}[/tex]
Hope this helps!! :)
Please let me know if you have any questions