How to solve 5x-2(3x-7)=20

Answers

Answer 1

Answer: Hi ;) !

These is : 5x-2(3x-7)=20
      5x-6x+14= 20
      -x= 20-14
   -x=6
      x= -6

Answer 2

Answer: 5x-2(3x-7)=20
5x-6x+14=20
-1x=6
X=-6

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Help me please >.< ---------------------

Answers

10.

8x + 40 -2x +20 = 96 => 6x + 60 =96 => 6x = 36 => x = 6.

2. Yumi takes hour to complete 50 math problems. Eric is able to complete 48math problems in hour. Which student can complete math problems at a
greater rate of problems per hour?

Answers

Answer:

Yumi

Step-by-step explanation: because she is 2 ahead of Eric

Answer:yumi is faster by two questions Step-by-step explanation:

mark's computer weighs 35.769 pounds. what is the weight of his computer rounded to the nearest hundredth

Answers

so hundreth is the 2nd number after the decimal point
that is the 6
so to round you take the numer before it so
69
if number is >5 round up

if number is <5 round down

9 is >5 so round up
7

35.77 ppounds

If you round to the nearest hundredth, Marks computer will weigh 35.77 pounds

Find the value of (3 4)2.

Answers

(3 + 4)^2 = (7)^2 = 49

The standard baseball measures 2 11/16" in diameter. What is its volume (to the nearest hundredth)?

Answers

Answer:

$10.16$ inch³

Step-by-step explanation:

The shape of a baseball is sphere. Given that, the diameter of the baseball is $2(11)/(16)$ inches.

So radius will be,

$=(2(11)/(16))/(2)$

$=((43)/(16))/(2)$

$=(43)/(32)$ inches.

We know that, the volume of a sphere is,

$V_(sphere)=(4)/(3)\pi r^3$

$=(4)/(3)\pi \left((43)/(32)\right )^3$

$=10.163\appox =10.16$ inch³

if the diameter = 2+11/16 inches, radius=diameter/2= 1+11/32 inches

volume of a sphere is (4/3)pi*r^3 = 10.16

4:3 and 25:45 are equal ratios true or false

Answers

False.

The scale factor for 3 and 45 is 15.

45 / 3 = 15.

We know that 25 isn't even a whole number for the scale factor, because no number x 4 can equal 25 (whole numbers only).

25 / 3 = 6.33333

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