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2 years ago

Simplify 10x - 2[4x - 2) = x-5

Mathematics

1 answer:

andrezito [222]2 years ago

4 0

Answer:

x=16

I hope this helps please let me know if I am wrong! :)

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Brian runs 3 miles in 25 minutes 30 seconds, and Mary runs 4 miles in 34

Katyanochek1 [597]

Answer:

Same speed.

Step-by-step explanation:

divide Distance by speed

25.5/3=8.5mph

34/4=8.5mph

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3 years ago

Negative plus a positive equals

Sergeu [11.5K]

Answer: multiplied together or divided, the answer is positive. If two negative numbers are multiplied together or divided, the answer is positive.

Step-by-step explanation:

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2 years ago

Thank yous to whoever solves first. I will mark brainliest

Montano1993 [528]

Answer:

Step-by-step explanation:

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2 years ago

The perimeter of a square picture frame is 5.4 inches . What is the length of one side? Write and equation and slove.

Anarel [89]

Answer:

s = 1.35 (See explanation!)

Step-by-step explanation:

To write an equation, you need to know that all four sides of a square are equal. Since each side is equal, it can be represented by the same variable or value. I'll use s for the variable:

Equation:

4s = 5.4

Note: the 4s is the total perimeter (4 * side)

Now, solve:

4s = 5.4

Divide by four to isolate the s:

4s/4 = 5.4/4

Finally:

s = 1.35

7 0

2 years ago

Read 2 more answers

What does x equal to? “?” = x Solve by using fractions and round to the nearest hundredth if necessary

Anna007 [38]

Answer:

3.5 inches

Step-by-step explanation:

We can rotate the figure to the left 90 degrees clockwise so that it becomes same orientation as the figure to the right.

Since they are similar figures, their corresponding sides are proportional.

The 4 inch side of left figure corresponds to 16 in side of right side figure.

The "?" inch side of left figure corresponds to 14 in side of right side figure.

We can replace "?" with "x" and setup two ratios and equate them:

$\frac{4}{16}=\frac{x}{14}$

Now, we can cross multiply and solve for x:

$\frac{4}{16}=\frac{x}{14}\\16x=4*14\\16x=56\\x=\frac{56}{16}\\x=3.5$

Hence,

the unknown side marked "?" is equal to 3.5 inches

6 0

2 years ago