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3 years ago

If 7.5 plus 6.8 times a number equals the sum of the number and 89.6, what is the number?.

Mathematics

2 answers:

anzhelika [568]3 years ago

7 0

7.5 + 6.8x = x + 89.6

...subtract x

7.5 + 5.8x = 89.6

...subtract 7.5

5.8x = 82.1

...divide by 5.8

x = 14.16

the number is 14.16

loris [4]3 years ago

3 0

Answer:

14.16

Step-by-step explanation:

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The answer to the problem I really don’t understand it

Juli2301 [7.4K]

Answer:

answer is D) 0, -5

Step-by-step explanation:

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3 years ago

WILL GIVE BRAINLIEST!!!!!!

Crank

Answer:

17.738

Step-by-step explanation:

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so x = 19sin69

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3 years ago

Given the line y=3/5x+2 find the perpendicular line passing through the point (12,-7)

Monica [59]

Answer:

y=-5/3x+13.

Step-by-step explanation:

As a line that is perpendicular to anoher line has a slope that is the negative reciprocal of the line's original slope, we know that the slope of our new line is -5/3. As it passes point (12, -7), we can use the point slope formula which is y-y1=m(x-x1). So plug in, y+7=-5/3(x-12) and that gives us y+7=-5/3x+20 which gives our final answer of y=-5/3x+13.

7 0

3 years ago

Identify the number that does not belong with the other three. Explain your reasoning.

mojhsa [17]

Answer:

To identify which integer does not belong with the rest, we must first evaluate each.

Step-by-step explanation:

[25.6...] is already evaluated. Therefore, let's move on to Integer <em>b: </em> $\sqrt{x}$ , where is <em>x </em>is 48.

48 = 2 * 24--> 2 * 12--> 2 * 6--> 2 * 3

√48 = $\sqrt{2}$ * 2 * 2 * 2 * 3

We have 1 perfect sqaure: $\sqrt{2}$ * 2

When we multiply, we receive 2.

Therefore, 2 * $\sqrt{2 * 3}$

When -51/2 is relatively prime, we receive -25 1/2

Finally, the last integer is already simplified.

Based on these results, you may determine the number that does not belong with the other three, whether than is through means of irrationability, value, absolte value, or whatever other means you decide.

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3 years ago

How do you get 1.8 from<img src="https://tex.z-dn.net/?f=f%282%29%3D%5Cfrac%7B2%7D%7B1%2Be%5E%7B-%282%29%7D%20%7D" id="TexFormul

Nataliya [291]

Answer:

see explanation

Step-by-step explanation:

$\frac{2}{1+e^{-2} }$ ← evaluate $e^{-2}$ using calculator