Mathematics High School

12. What is the length of the radius of a circle whose area is 100x?
A. 5
B. 10
C. 20
D. 25

Answers

Answer 1

Answer:

A.5

Step-by-step explanation:

d=2 sqare root Area÷pi

d=11.2 ÷2

radius = 5

Related Questions

evaluate (log) PLS HELP!!! asap!!!!!! thank you so so much!! *will ofc give brainliest*

Answers

Answer:

B. 4

Step-by-step explanation:

3 to the 4th power is 81, so the correct answer is 4.

Answer:

4

Hope this helps !!

Kesia is practicing her free throws. She made 5/8 of the shots she took at basketball practice today. use long division to find the decimal equivalent of 5/8/. ?

Answers

Answer:

0.625

Step-by-step explanation:

Answer:

0.625

Step-by-step explanation:

hope it helped!

A triangle has side lengths of 24, 32, and 42. Is it a right triangle?

Answers

Answer:

no its not a right triangle.

Is (-3,-9) a solution of the equation y = 3x ?
O YES
O NO
O NOT A SOLUTION

Answers

Answer:

Yes, (-3, -9) is a solution.

Step-by-step explanation:

y = 3x   (-3,-9)

-9 = 3(-3)

-9 = -9

Which is equal to K-L ?

Answers

Answer:7 -3

              6 0

13-6=7

7-10=-3

25-19=6

18-18=0

Step-by-step explanation:

Answer:

third option from the top

Step-by-step explanation:

7. -3

6. 0

Which number can each term of the equation be multiplied by to eliminate the fractions before solving?
-3/4m-1/2=2+1/4m

Answers

Answer: 4

Step-by-step explanation: 4 was the biggest denominator in that equation. so if we multiply by 4 on all the terms, all the denominators will go away. we will not have any more fractions!

-2x + y =5

SOLVE FOR Y. THEN MAKE A TABLE OF ANSWERS

Answers

Answer:

x=1

Step-by-step explanation:

Sarah is walking diagonally across a park as modeled by the equation y = x − 1. Suppose Marcus starts walking at the point (0, 9) so his path is perpendicular to Sarah's. At what point will Sarah's path and Marcus's path intersect?

Answers

Answer:

[tex]A(10,9)[/tex]

Step-by-step explanation:

Consider the attached figure.

The equation is [tex]y=x-1[/tex]

At [tex]x=0;y=0-1=-1[/tex]

At [tex]y=0;0=x-1,x=1[/tex]

Plot points [tex](0,-1)\,,\,(1,0)[/tex].

Marcus starts walking at the point B(0, 9) so that his path is perpendicular to Sarah's at point A.

From the graph, Sarah's path and Marcus's path intersect at point [tex]A(10,9)[/tex]

Mikey has $100 to spend on books. She wants to buy at least 14 books. Hardback books cost $15.00 and paperback books cost $7.00.

Represent the scenario as a system of inequalities.

A. x+y≤100
15x+7y≥14

B. x+y≤14
15x+7y≥100

C. x+y≥14
15x+7y≤100

D. x+y≥100
15x+7y≤14

Answers

A. x+y<100
15x+7y>14 is the right answer

A display in a grocery store has 120 pieces of fruit. Apples make up 3/5 of the display, and oranges make up 2/5 of the display. If 1/2 of the apples are green, how many green apples are there?

Answers

Answer:

36 green apples

Step-by-step explanation:

First, you should divide 120 by 5 since it is 3:2 and the denominator is 5.  Since each part there are 24 fruits, you should now multiply that number by 3 which is 72.  Since 1/2 of the apple display are green, you would need to divided 72 by 2 which gets you the answer of 36 green apples.

11) Stephanie makes $ 50 a week babysitting. She spends $ 25, saves $ 15, and uses the rest to pay off a $ 100 loan from her brother. After six weeks, how much has Stephanie spent, how much has she saved, and how much still owes her brother?

Answers

Answer:

She saved 90 dollars and she owes her brother 40 still.

Step-by-step explanation:

Write the equation in Standard Form. A>0

y +2 = 2/7 (x -1)

I’ll mark brainliest

Answers

That should be it Y+2=2/7(x-1) -> y+2=2/7x-2/7 -> y=2/7x-4/7
Final answer: y=2/7x-4/7

Someone please help me

Answers

Answer:

$80 + $32x = y

Step-by-step explanation:

80 dollars is mandatory, and will always be charged no matter how many hours the electrician works. The $32 is charged based on how many hours the electrician worked. We don't know how many hours he worked, therefore we put an X next to $32 as a way to remind ourselves to multiply the amount of hours he worked times how much he charges per hour. Y would be the total fee.

32x+80=y

The 80 is an added fee and is NOT constant while the hourly rate goes up by 32 every hour. to get the total you add the hourly rate with the added fee.

HELP Did you know that chickens sometimes eat vegetables and fruits? A farmer likes to give the chickens apples to share. The farmer observes that 3 chickens eat 5 apples. What is the ratio of the number of chickens to apples?

5:2?
5:3?
2:5?
3:5?

Answers

Answer:

3:5

Step-by-step explanation:

PLEASE HELP WILL MARK BRAINLIEST IM Litteraly crying im gonna faill plsssss!!!

Answers

Answer:

True true false true

hope this helps

Step-by-step explanation:

Answer:

True true false true

Step-by-step explanation:

Zinnia and Ruby earn $58 per week for delivering pizzas. Zinnia worked for x weeks and earned an additional total bonus of $13. Ruby worked for y weeks. Which expression shows the total money, in dollars, that Zinnia and Ruby earned for delivering pizzas? (5 points) Question 3 options: 1) 71x + 58y 2) 58x − 13 + 58y 3) 58x + 71y 4) 58x + 13 + 58y

Answers

Answer:

uh I am pretty sure that it is $28 I'm not sure I'm only in 6th grade

Step-by-step explanation:

what is the integer of The change in a balloon's volume when it loses 450 cm3 of air.

Answers

Answer:

The integer change is -450 cm^3

Step-by-step explanation:

Here, we want to write the integer of the change in the volume of a ballon when it loses 450 cm^3 of air

Losing this volume means we are subtracting 450 from the original volume

This represents a change of -450 cm^3

TWO QUESTIONS PLS HELP ASAP

Answers

Answer: 4. (-1,-1) 3. (3,-2)

4)

Set the equations equal to each other.

4x+3=-x-2

Subtract 3 from both sides

4x=-x-5

Add x to both sides

5x=-5

Divide both sides by 5

x=-1

Next, replace x with -1 in either equation to find y.

-(-1)-2=y

-1=y


3)

Do the same thing for this one and set them equal to each other

-2x+4=-1/3x-1

Add 1 to both sides

-2x+5=-1/3x

Add 2x to both sides

5=5/3x

Divide both sides by 5/3

x=3

Next, replace x with 3 in either equation

-2(3)+4=y

-2=y




Need help will 11&12!

Answers

Answer:

11.)60 degrees the lines on the triangle (the lil dashes) mean that that all the sides are equal making all the angles equal as well so all the angles equal 60 degrees.

12.) no, because in order for all the sides to be 12ft the angles have to be 60 degrees and this one is only 58 degrees so it wont exactly reach 12ft

Step-by-step explanation:

hope this helps :P

I am solely here to brag!
I am officially a college student and only 14!
Next semester I will on top of my high school classes be taking college courses.
And by 11th grade be officially done with high school!

Answers

Answer:

That's wonderful!

Step-by-step explanation:

I'm really proud of you! I'm 14 (almost 15), and taking sophomore classes right now, and a foreign language. I absolutely regret not taking a second math class this year (Algebra II).

3p-2=-29 what dose p stand for???

Answers

Answer:

P could stand for anything

Step-by-step explanation:

In this case its just the variable

Answer:

-9

Step-by-step explanation:

3(-9)-2=-29

-27-2=-29

I need a quick answer plss

Answers

Answer:

girl u didnt add the question...

Step-by-step explanation:

.................help

Answers

Answer:

I think on the second day it is 3 degrees on the third day it is -1 degrees and on the fourth day it is -3

Step-by-step explanation:

Here's what I got:

a. 3 °F

If the temp was zero on the first day and rose by 3 °F, logically, it would be 3 °F.

b. -4 °F

The same logic applies.

c. -3 °F

Using integers, we can assume the opposite of 3 °F is -3 °F.

Hope this helps!

f(0) and f(2) in function notation form​

Answers

Answers:

f(0) = 1

f(2) = 5

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

Explanation:

Determining f(0)

The y intercept point (0,1) indicates that x = 0 and y = 1 pair up together. Recall that y = f(x), which means f(x) = 1 when x = 0. This is shortened to f(0) = 1.

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

Determining f(2)

Start at 2 on the x axis. Draw an arrow pointing directly upward until you get to the curve. See the diagram below. Then move to the left until you hit the y axis. You should arrive at y = 5.

This tells us x = 2 and y = 5 pair up together. Therefore, f(2) = 5.

Line l is parallel to line m. Find the value of x.

Answers

Answer: I THINK x is equal to 41:)

Please give me the answer.

Answers

Answer:

1: 3, 1/3

2: 9, 1/9

3: 27, 1/27

4: 81, 1/81

Compared to last year, the population of boom town has increased by 24%. The population is now 6,600. What was the population last year?

Answers

Answer:

1,584

Step-by-step explanation:

6,600 multiplied by 24%(or 0.24) is 1,584

FIRST CORRECT ANSWER WILL RECEIVE BRAINLIEST!!!
A system of equation is given below:
y = -5x - 1
y = mx + 3
Find the value of m, so that there is no solution to the system. Justify your answer.

Answers

Your answer is M=7yx^2

help asap!!! it’s due in 20 minutes .

Answers

Answer:

ab

Step-by-step explanation:

The menu for a restaurant lists 3 types of soup, 5 types of sandwiches,
and 4 types of chips. If a meal is one soup, one sandwich, & one bag of
chips, how many meals can you make? * pls help

1. 12
2.15
3.20
4.60

Answers

The answer is 20 good job
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