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2 years ago

What value of x is in the solution set of 3(x – 4) ≥ 5x + 2? Group of answer choices -5 10 5 -10

Mathematics

1 answer:

Harman [31]2 years ago

5 0

Answer:

Step-by-step explanation:

3(x – 4) ≥ 5x + 2

3x - 12 ≥ 5x + 2

-12 ≥ 5x - 3x + 2

-12≥ 2x + 2

-12 - 2 ≥ 2x

-14 ≥ 2x

-14/2 ≥ x

-7 ≥ x

So, value of x from the answer choices will be (-10)

-7 ≥ -10

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Solve the world problem. the formula d = rt gives the distance traveled in time t at rate r. if a bicyclist rides for 2.3 hours

Marta_Voda [28]

Hello!

The answer to your question is D. 17.83 because 41 divided by 2.3 is equal to the answer and you are trying to solve for r.

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3 years ago

PLEASE ANSWER QUICK 2 MINUTES ON THE TIMER

snow_lady [41]

<h3>- - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - </h3>

➷ Turn into improper fractions:

8/3 + 5/3

Now just add them:

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8 0

3 years ago

Read 2 more answers

A set of bookshelves rests on a hard floor surface on four legs, each having a cross-sectional dimension of 3.0×4.1cm in contact

tatiyna

Answer:

$5.22\cdot 10^5 Pa$

Step-by-step explanation:

The pressure exerted by an object is given by:

$p=\frac{F}{A}$

where

F is the magnitude of the force

A is the area of the surface perpendicular to the force

In this problem, the force is the weight of the books + the shelf, which is given by

$F=mg$

where

m = 262 kg is the total mass

$g=9.8 m/s^2$ is the acceleration of gravity

Substituting,

$F=(262)(9.8)=2568 N$

The area of the four legs is:

$A=4(3.0 cm\cdot 4.1 cm)=4(12.3 cm^2)=49.2 cm^2 = 49.2\cdot 10^{-4} m^2$

Therefore, the pressure exerted on them is:

$p=\frac{F}{A}=\frac{2568}{49.2\cdot 10^{-4}}=5.22\cdot 10^5 Pa$

7 0

3 years ago

Solve for x 4x + 6 = 38

LenaWriter [7]

Answer:

x = 8

Step-by-step explanation:

<u>Subtract 6 from both sides:</u>

4x = 32

<u>Divide both sides by 4 to isolate x:</u>

x = 8

**please mark brainliest!!

5 0

2 years ago

Giả sử phương án tối ưu của bài toán mở rộng là x* = (-2,-3,0,1,2) với x5 là ẩn giả. Tìm phương án tối ưu xuất phát của bài toán

arlik [135]

Answer:

ask in English then I can help u

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3 years ago