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Alex17521 [72]
3 years ago
14

Solve for x. Brainliest if you show your work.

Mathematics
1 answer:
Zigmanuir [339]3 years ago
6 0
You can only solve this by having the same base on each side. So to change 1/27, you can use 3^-3, which is then multiplied through. So the equation is:

4x-5=-3(2x+10)
4x-5=-6x-30
10x=-25
x=-2.5
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Evaluate <br> f(x)=5x-3<br> f(5) =
Kaylis [27]

f(x)=5x-3

use the substitution method

f(5)=(5)(5)-3

multiply the parentheses first

using: PEDMAS

P=Parentheses

E= Exponents

D=Division

M=Multiplication

A= Addition

S=Subtraction

(5)(5)=25

25-3

=22

answer:

f(5)=22

5 0
3 years ago
Find the area of this picture
bezimeni [28]

Answer:

30.3

Step-by-step explanation:

First we find the area of the trapezoid. The formula for that is (b1+b2)/2(h)

2+10=12

12/2=6

6x4=24

To find the area of a semicircle we do πr²/2

2^2=4

4x3.14=12.56

12.56/2=6.28

24+6.28=30.28

That is extremely close to 30.3 so the paper must be a bit off.

8 0
3 years ago
When completely filled, a spherical storage tank
mamaluj [8]

Answer:

radius: 12

Given the following:

Volume of sphere: 7,240

Formula of volume of sphere:

Volume = 4/3 π (radius)³

Find radius:

  • 4/3 π (radius)³ = 7,240

<u>change sides</u>

  • (radius)³ = 7,240/(4π/3)

<u>simplify</u>

  • (radius)³ = 1728.422682

<u>cube root on both sides</u>

  • radius = ∛1728.422682

<u>simplify</u>

  • radius = 12
6 0
2 years ago
How do I solve 2x+3=2x+1x
kramer

Answer:

x = 3

Step-by-step explanation:

2x+3 = 2x+1x\\2x+3 = 3x\\3 = x

First begin by adding the like terms on the right side of the equation.

Then, isolate x by subtracting the "2x" on both sides of the equation.

8 0
3 years ago
-3y&gt;x+6 I need help w this math problem
Andrei [34K]

Answer:

y< −x/3 −2

Step-by-step explanation:

I hope this is what you need if not let me know and ill edit the answer

6 0
3 years ago
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