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3 years ago

Given f(x) = 2x – 3, find the x value such that f(x) = 8.

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

4 0

Answer: 5.5

Step-by-step explanation:

Plugging it into the formula, we get

2x-3 = 8

Add 3 to both sides:

2x = 11

Divide by 2 on both sides:

x = 5.5

Lina20 [59]3 years ago

4 0

Answer:

5.5

Step-by-step explanation:

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A flat rectangular piece of aluminum has a perimeter of 64 inches. The length is 8 inches longer than the width. Find the width.

denpristay [2]

Answer:

w = 12

Step-by-step explanation:

W=48/4

W=12 ANS. FOR THE WIDTH.

L=12+8=20 ANS. FOR THE LENGTH.

PROOF:

2*20+2*12=64

40+24=64

64=64

7 0

3 years ago

a crowbar of 2cm is used to lift an object if 800N. if the effort arm is 260cm. calculate the effort applied.

Gelneren [198K]

Answer:

solution:Here

Given,

Load=800 N

Load distance=2cm

Effort distance=260cm

Effort applied=?

We know that,

Load × Load distance = Effort × Effort distance

or, 800×2 = e × 260

or,1600 = 260e

or,e = 1600/260

Thus, e = 6.15 N

Hence, The effort applied = 6.15 N

Hope this answer helped you..

Please mark me as brainliest

8 0

1 year ago

I’ll give the bralyist to the first correct answer

ArbitrLikvidat [17]

Answer:

The answer is 2

From the function when the input is 2 the output is -7. The inverse reverses the order so the input will be -7 and the output will be 2.

5 0

4 years ago

What is 8.24+3.4 i need the aanswer please

kirill115 [55]

Answer:

11.64

Step-by-step explanation:

8.24+3.4=11.64

6 0

3 years ago

Read 2 more answers

2(a-2)=2a-4 many solution step-by-step

ArbitrLikvidat [17]

Answer:

2(a-2)=2a-4

I do not understand what you wrote question or answer

3 0

3 years ago