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2 years ago

Given f(x)=2x-10 determine the value if f(x)=8

Mathematics

2 answers:

koban [17]2 years ago

6 0

Answer:

f(x)=2x-10 ______(given)

f(x)=8 _______(given)

Therefore, according to the above problem

2x-10=8

2x=10+8

2x=18

x=18/2

<h3><u>9</u> is the right answer.</h3>

AURORKA [14]2 years ago

4 0

Answer:

We have given that...

f(x) = 2x - 10

f(x) = 8

So..

2x - 10 = 8

2x = 8 + 10

2x = 18

x = 18/2

x = 9 ✓✓✓

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kakasveta [241]

Step-by-step explanation:

Given

7x + 1 = 9x - 7

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2x = 8

x = 8 / 2

x = 4

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2 years ago

Logan measured a line to be 7.4 inches long. If the actual length of the line is 7.7 inches, then what was the percent error of

algol13

Answer:

3.9%

Step-by-step explanation:

Percentage error

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2 years ago

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oee [108]

Answer: r = 7

Step-by-step explanation:

Subtract 12 from both sides to isolate the r variable. You have -42 = -6r. Divide both sides by -6 to get r by itself and you get r = 7. Verify by substituting 7 as the r value and solving the equation.

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2 years ago

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You wish to package a spherical globe inside a cubical box . The diameter of the globe is 30 centimeters . How much empty space

Aneli [31]

Answer:

<h2>The empty inside the box is 12,870 cubic centimeters, approximately.</h2>

Step-by-step explanation:

Givens

The diameter of the globe (sphere) is 30 centimeters,
The box must has dimensions 30x30.

We need to find each volume to subtract them.

$V_{box}=(30cm)^{3}= 27,000 \ cm^{3}$

$V_{sphere}=\frac{4}{3} \pi (15cm)^{3} \approx 14,130 \cm^{3}$

The difference betweem the box and the sphere is

$\Delta V=27,000 - 14,130 = 12,870 \ cm^{3}$

Therefore, the empty inside the box is 12,870 cubic centimeters, approximately.

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2 years ago

What is the solution of 5 = t/2 -3?

Sladkaya [172]

Answer:

t=16

Step-by-step explanation:

you have to change the numbers to get just the variable.

we start from -3.

5=t/2-3

8=t/2

(we multiply by 2 instead of dividing)

8×2=16

t=16

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3 years ago