MATHEMATICS HIGH SCHOOL

Help me please!!! Please answer as soon as possible first right answer gets brainlyiest

Answers

Answer 1

Answer:

Answer:

35, 100, 45

Step-by-step explanation:

Remember that the angles of a triangle add up to 180

This question is graciously giving you two answers right there, so A and C are easy

A is 35

C is 45

...but what is B?

This is how you find B: 180 - 35 - 45

B is 100

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4x + y =1
x + 2y = 9

Answers

Answer:

x=-1 y=5

Step-by-step explanation:

A. 4x+y=1 multiply the equation negative 2

B. x+2y=9

-8x-2y=-2 add this to equation b

x+2y=9

-7x=7 divide both sides by -7

x=-1

now substitute x for -1 in either of the original equations

-4+y=1 add 4 to both sides

y=5

-4+5=1

-1+10=9

If the circumference of a baseball is 24 cm what is the volume of the object

Answers

$2\pi R=24cm\ \ \ /:2\pi\n\nR=(24)/(2\pi)\n\nR=(12)/(\pi)\ (cm)\n\nV=(4)/(3)\pi R^3\n\nV=(4)/(3)\pi\cdot\left((12)/(\pi)\right)^3=(4)/(3)\pi\cdot(1728)/(\pi^3)=(2304)/(\pi)\ (cm^3)\approx=(2304)/(3.14)\approx733.76\ (cm^3)$

1. Use words to write this expression:
9 + 7x

Answers

Answer:

nine added to seven times a number.

Step-by-step explanation:

''x'' is the unknown number which is being multiplied by 7. Than 9 is added to it.

MARKING BRAINLIEST! A machine pumps 4 1/2 gallons of water every hour. How many gallons of water does it pump after 2 2/3 hours?

Answers

Answer:

12 Gallons of Water!

___________________________________________________

4.5= 1 hour

9= 2 hours

4.5/3=1.5

So every 1/3 hour equal 1.5 gallons of water!

9+1.5*2= 12

Answer:

12 gallons

Step-by-step explanation:

You just multiply both of the numbers.

Which of the following choices is the common difference between the terms of this arithmetic sequence4x + 7y, 8x+ 2y ,12x -3y,16x-8y,20x-13y, ...

a. 5x+4y
b. 4x-5y
c. -5x-4y
d. 5x -4y
e. 4x +5y

Answers

Choice (b) that is 4x-5y

Find a rational number that is between 5.2 and 5.5. Explain why it is rational

Answers

5.3

It is a rational number because 5.3 can be made into a fraction or ratio.

hope it helps!

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