Mathematics High School

I need help please I’m not sure how to do this

Answers

Answer 1

Answer:

This is just simply saying 1 divides by 2 we that is 0.5 in decimal

Hope I helped

Related Questions

Write 9/15 in lowest terms.

Answers

Answer:

Step-by-step explanation:

3/5 divide each by 3

Answer:

lowest term is 3/5

Step-by-step explanation:

50 POINTS AND WILL MARK BRAINLIEST TO CORRECT ANSWER!!!! WHAT IS THE MID-POINT OF "AB"
A=(-3,3)
B=(-5,-4)

Answers

Answer:

Given : A=(1,2)≡(x

1 ,y

) and B=(3,−2)≡(x

)

Let M=(x,y) be the midpoint of AB

x=(

) and y=(

)

Then, x=

1+3

and y=

2−2

⟹x=2 and y=0

∴M=(2,0)

∴ Coordinates of the midpoint of AB is (2,0)

Answer:

WHAT IS THE MID-POINT OF "AB"

A=(-3,3)

B=(-5,-4)

Step-by-step explanation:

a2+b2=c2 but solve for b.

(2’s are to the power)

Answers

Answer:

Step-by-step explanation:

a2+b2=c2

b2 = c2 - a2

b = ±√(c2 - a2)

Sameer had $600 in his savings account. He wants to have at least $100 in the account
by the end of the year. He withdraws $20 a week for expenses. How many weeks can
Sameer withdraw money? Important! When you multiply or divide by a negative
number, the inequality sign reverses.>+<
amounts in savings - amount per week x number of weeks 2 amount of money at the
end of the year
30 weeks
25 weeks
O
5 weeks
20 weeks

Answers

Answer:

The answer is 25 weeks

Step-by-step explanation:

Let, Number of weeks = x

Now, the required expression is

∴[tex]600-20x\geq 100\\=>-20x\geq -500\\=>20x\leq 500\\x\leq 25[/tex]

Hope you have understood this.....

ask me if you have any confusion.....

if you liked it pls mark it as the brainliest

(x−2) 2 +(x+8) 2 =10

Please Explain ASAP

Answers

Answer:

x= -0.5

Step-by-step explanation:

2x-4+2x+16=10

4x+12=10

4x=-2

x=-1/2

Step-by-step explanation:

(x-2) 2 +(x+8) 2 = 10

x-2 + 2× x 2×8 + 2 = 10

x - 2 + 2x + 16 + 2 = 10

x + 2x + 16 - 2 + 2 = 10

3x + 16 = 10

3x = 10-16

3x = -6

3x÷3x = 6 ÷ 3

x = -2

What is the scale factor of the dilation of figure A to figure B?
10.5 cm
7 cm
O
6 cm
9 cm
8 cm
figure A
12 cm
figure B
10 cm
O 2
15 cm
O 3

Answers

Answer:

2/3

Step-by-step explanation:

Well, I don't know and the answer might not be correct*

Answer:

[tex]\frac{3}{2}[/tex]

Step-by-step explanation:

The scale factor is the ratio of corresponding sides, B to A , then

scale factor = [tex]\frac{9}{6}[/tex] = [tex]\frac{3}{2}[/tex] ( = 1.5 )

how many questions I have to ask?

Answers

Answer:

p is 16

Step-by-step explanation:

[tex]p \: \alpha {(q + 2)}^{2} [/tex]

introduce a constant on a right hand side:

[tex]p = k {(q + 2)}^{2} - - - eqn \: (a)[/tex]

[ when q is 1, also p is 1 ]

[tex]1 = k(1 + 2) {}^{2} \\ 1 = 9k \\ k = \frac{1}{9} [/tex]

substitute for k in eqn (a):

[tex]p = \frac{1}{9} (q + 2) {}^{2} [/tex]

so, when q is 10:

[tex]p = \frac{1}{9} (10 + 2) {}^{2} \\ \\ p = \frac{1}{9} (144) \\ \\ p = 16[/tex]

HELP ASAP PLS

A spinner is divided in to fourths and is labeled 1-4. John spins the spinner and tosses a coin. What is the
probability of spinning a 1 and flipping heads?

Answers

Answer:

1/8 or 12.5% probability

Step-by-step explanation:

Compound probability is what you would want to use here which is the probability of the first event multiplied by the second event.

So, if 1/4 is the probability of spinning a 1 on the spinner and 1/2 is the probability of flipping heads, you would multiply 1/4 • 1/2 to get 1/8, or 12.5%

Hope this helped!

PLEASE HELP................

Answers

Answer:

3.2×10^-7 hope this will be of help

what is the LCM of 4489

Answers

Answer:

plz mark me brainliest

Step-by-step explanation:

thanks for question

please help me quickly and explain your answer (i have a guess on which is incorrect but im not sure)

Answers

Answer:

pretty sure its step 2

Step-by-step explanation:

PLEASE HELP IM SO BEHIND IN SCHOOL ATM

Answers

Answer:

1 rational b/c terminating decimal

2 irrational b/c non-terminating decimal

3 rational b/c non-terminating decimal

4 rational b/c it in an integer, which are part of rational numbers

5 rational b/c non-terminating decimal

6 b) 7.625

Step-by-step explanation:

Guys for one of my math questions it is "show as many subtraction fraction questions that you can think of that equal 3/10

Answers

That could take a long time!
There is the whole family of a/10 - b/10 where a = b + 3
Eg 4/10 - 1/10, 5/10 - 2/10, 6/10 - 3/10 etc

Or you could get sneaky with 5/6 - 8/15, 27/40 - 3/8, 1/2 - 1/5, etc

There are an infinite number of fraction pairs with a difference of 3/10

Start with a multiple of 10 on the denominator eg 50 =5 x 10
Now pick numerators with a difference of 5 x 3 eg 11 and 26
This will give you 26/50 - 11/50 = 13/25 - 11/50 = 3/10

You will get more fun problems if you avoid relatively prime fractions so they will simplify
Eg denominator 60, numerator difference 18.
59/60 - 41/60 = 3/10 is not nearly as much fun as 45/60 - 27/60 = 3/4 - 9/20 = 3/10

What is the scale factor from L to S

Answers

Answer:

-2

Step-by-step explanation:

Triangle S

Base = 2Height = 4

Triangle L

Base = 4Height = 8

For the base you must multiply 4 by -2 to get 2. Likewise for the height you must multiply 8 by -2 to get 4. Thus the scale factor from L to S is -2

Hope it helps,... Chow,...!

Factor the polynomial by its greatest common monomial factor

9b^8+24b^3

Answers

9b^8 + 24b^3

= 3b^3 ( 3b^5 + 8 )

Which expression has a value of 13?

(12+6)÷3+3

12+6÷(3+3)

12+(6÷3+3)

(12+6)÷(3+3)

Answers

Answer:

Option b 12+6÷(3+3)

Step-by-step explanation:

12+6÷(3+3)

= 12+6÷6

= 12+1

= 13

-8 is a term.

True
False

Answers

Answer:

true

Step-by-step explanation:

a term is a single mathemathical expression, hence it may be a single number (+ve/-ve)

Answer:

the person above is correct.

Step-by-step explanation:

the answer is right

What is (f + g)(x)? f(x) = -3x² + 6x g(x) = -X Write your answer as a polynomial or a rational in simplest form

Answers

Answer:

explanation:

(f + g)(x) = -3x^2 + 6x - x

Answer:

- 3x² + 5x

Step-by-step explanation:

(f + g)(x)

= f(x) + g(x)

= - 3x² + 6x - x ← collect like terms

= - 3x² + 5x

A human hair is approximately 59 µm in diameter.
Express this diameter in meters.
Answer in units of m.

Answers

Answer:

59000.000 nanometres

Answer:

59μm

Please give branliest

Step-by-step explanation:

1e-6m=1μm

5.9e-5m=59μm

PLEASE HELP COMPARING RATIOS

Answers

Answer:

8 minutes per customer in Restaurant One.

6 minutes per customer in Restaurant Two.

7 minutes per customer in Restaurant Three.

Restaurant Two had the fastest service.

Method:

I divided the time it took – for example – 48 divided by 6. I would do this because I wanted to find out each person took (6 people), and the amount of time it took for each person to get their food. I would use division for this problem because I am finding how much each person took out of the whole time.

Answer

The 2nd restaurant is the fastest

Step-by-step explanation:

I. Compare Time per Customers

When 1st restuarant = 48/6 = 9

2nd restuarant = 42/7 = 6

3rd restuarant = 63/9 = 7

Given if in 1 min, I can serve 20 customers = 1/20 = 0.05

in 1 min, He can serve 10 customers = 1/10 = 0.1

See the different? I can serve better than him.

So The answer is the 2nd restuarant.

Hope that help :D

Help please and thank you (Algebra 1)

Answers

Answer:

17x² - 22x - 2

Step-by-step explanation:

Given

(5x² + 6x - 2) + 4x(3x - 7) ← distribute parenthesis

= 5x² + 6x - 2 + 12x² - 28x ← collect like terms

= 17x² - 22x - 2

Bottom half starting from “Given: XY = x + 6”

Answers

Problem 22

Answer: x = 7

-----------------------

Explanation:

Segments XY and YZ add up to segment XZ

XY + YZ = XZ

(x+6) + (3x+1) = 5x

4x+7 = 5x

7 = 5x-4x

7 = x

x = 7

===============================================================

Problem 23

Answer: XY = 13

-----------------------

Explanation:

We'll use the result in the previous problem to find that,

XY = x+6

XY = 7+6

XY = 13

===============================================================

Problem 24

Answer: YZ = 22

-----------------------

Explanation:

Similar to problem 23, we'll use the value of x = 7 to find that,

YZ = 3x+1

YZ = 3*7+1

YZ = 21+1

YZ = 22

===============================================================

Problem 25

Answer: XZ = 35

-----------------------

Explanation:

We have two options. We could add the results of the last two problems

XZ = XY + YZ = 13+22 = 35

Or we could compute XZ directly like so

XZ = 5x = 5*7 = 35

Either way, we get the same result. The fact we get the same value both times helps confirm we have the correct x value and the correct lengths of XY and YZ.

Answer:

x = 7XY = 13YZ = 22XZ = 35

Concept:

Here, we need to know the idea of the segment addition postulate.

The segment addition postulate states the given 2 points A and C, a third point B lies on the line segment AC if and only if the distances between the points satisfy the equation AB + BC = AC. In another word, if 3 points A, B, and C are collinear and B is between A and C, then AB + BC = AC.

If you are still confused, please refer to the attachment below for a graphical explanation.

Solve:

Given information

XY = x + 6

YZ = 3x + 1

XZ = 5x

Given expression deducted according to the segment addition postulate

XY +YZ = XZ

Substitute values into the expression

x + 6 + 3x + 1 = 5x

Combine like terms

4x + 7 = 5x

Subtract 4x on both sides

4x + 7 - 4x = 5x - 4x

x = 7

Find the value of XY

XY = x + 6 = (7) + 6 = 13

Find the value of YZ

YZ = 3x + 1 = 3 (7) + 1 = 22

Find the value of XZ

XZ = 5x = 5 (7) = 35

Check:

Left-hand side: XY + YZ = 13 + 22 = 35

Right-hand side: XZ = 35

35 = 35

Hope this helps!! :)

Please let me know if you have any questions

What is the solution to the system of equations below?

y = -5x - 1
4x - 7y = 7

Answers

When you have a system of equation, you generally have two unknowned value.

The trick is to express one letter as equal of something in the second letter.

We have two lines :

(1) : y = -5x-1

(2) : 4x-7y = 7

Here he job is half done as we have already "y" express in " x" with line (1) so : y = -5x-1

So I can rewrite line (2) as this : 4x-7y = 7

as y = -5x-1 so :

4x-7y = 7 become :

4x - 7 ( -5x-1) = 7

4x-7 * (-5x) - 7* (-1) = 7

4x +35x +7 = 7

4x +35x +7 -7 = 7-7

39x = 0

39x/39 = 0 /39

x = 0

So if X = 0 then we have in line (1) we have by replacing "x" by it's value : y = -5x-1

y = -5*0 -1

y = -1

Dont hesitate to ask in comments if it's still not clear.

A toaster that sells for $62 is on sale for 35% off. Identify the sale price.

Answers

Answer:

40.3

Step-by-step explanation:

62×(1-35%)= 40.3

100% - 35% = 65%

The toasters sale price is 65% of the original price:

$62 x 0.65 = $40.30

Sale price = $40.30

45 POINTS !!!!

no bull, or i will report and get my points back

can someone accuracy work this out, they did not have geometry

Answers

Answer:

((down below))

Step-by-step explanation:

If A is the midpoint of Line Segment XY, then we can conclude that the length of XA = the length of AY. ((in other words, XA = AY))

Find XA

Insert equations // 2x = 10x - 8It's best to solve for "x." So we do this by flipping the equation (you can do this in any way you want, but this seemed easier) // 8 = 10x - 2x8 = 8x // Divide for x // x = 1

Finding the Length of AY (Calculating Length)

Substitute x = 1 from XA // 10(1) - 8We get an answer of 2 ((this is the length of AY))

Finding the Length of XA

Substitute x = 1 from XA // 2(1)We get an answer of 2 ((this is the length of XA)

Finding the Length of XY

XA = AY // the length of XA is 2 (or 2 units, or whatever you are measuring in) and the length of AY is 2, then finding the length of XY means adding both lengths togetherXA = AY = 2 = 2 = 2 + 2 = 4 ((the length of XY is 4))

What is equal to sec 20°

Answers

1.06418

The same as of sec 20 degrees in radians to obtain 20 degrees in radian multiply 20° by / 180° = 1/9

Explain what is the difference between radius
and circumference

Answers

Answer:

The circumference is the perimeter, specifically the perimeter of a circle. It can be solved by using the following formula:

C = 2πr

C stands for circumference.

π stands for pi, or 3.14 (rounded).

r stands for radius.

The radius is the distance from the center point of the circle to any point on the circle. It is denoted by the variable, r, as stated above. It is 1/2 of the diameter.

Answer:

the radius is the line from center to perimeter and circumference is the enclosed boundary

Step-by-step explanation:

radius- is any of the line segments from a circle or spheres center to its perimeter

circumference- the enclosed boundary a curved geometric figure, especially a circle

Hey! I hope you’ve had a good day:) I just need help in geometry right now. Can someone take a look at this question?

Answers

Answer:

(5,2)

Step-by-step explanation:

midpoint formula for future reference

(x1+x2/2),(y1+y2/2)

(3+7/2),(-5+9/2)

(10/2),(4/2)

(5,2)

Worth 30 points help plz!Graph the solution of the inequality −3(x + 1) ≤ 6 on the number line.

Group of answer choices

Filled circle at -1 shading to the right

Filled circle at -3 shading to the left

Filled circle at -1 shading to the left

Filled circle at -3 shading to the right

Answers

Answer: Filled circle at -1 shading to the left.

Step-by-step explanation:

-3x+3<6

-3 -3

_________

-3x<3

-3x/-3 3/-3

= -1

and the < sign means less than or equal to. Hope this helps!

Answer:Option D

Step-by-step explanation:

PLEASE HELP ME...DUE IN 10 MINUTES
Estimate the measure of each angle a-d

Answers

Answer:

V = 315 degrees

K = 280 degrees

Y = 190 degrees

Q = 225 degrees

Step-by-step explanation:

since its estimated its ok if im a little wrong right?

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