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Norma-Jean [14]
3 years ago
13

What is 8 -

n="absmiddle" class="latex-formula"> + 7^{2}
Mathematics
2 answers:
rusak2 [61]3 years ago
6 0

Answer:

53

Step-by-step explanation

8 - 8/2 (this is a fraction) is also known as

8-4 because 8 divided by 2 is 4

so 8-4 = 4

next 4 + 7^2

why is the 2 in the air????

so that's called an exponent, in this case the two means 7 x 7, it is multiplying by itself, thats the essence of exponents. I can do this for exponent 3,4,5,6,7 and so forth. Anyways, 7^2 or 7x7=49

Knowing this its now 4+49= 53

Hunter-Best [27]3 years ago
4 0
ANSWER:
54

EXPLANATION:
8-8/2 is 4. 7 squared is 49.

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Dan earns £8.30 per hour how much will he earn for 9 hours work
Nana76 [90]

Hey there!

\large\boxed{\$74.70}

The unit rate is 8.30 for every hour.

If he earns $8.30 an hour and works 9 hours, multiply 8.30 by 9.

8.30 x 9 = 74.70

Hope this helps!

3 0
3 years ago
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Mr.wilson wrote the fuction f(x)=7x-15 on the chalkboard.What is the value of this function for f(6)?
bixtya [17]

By plunging 5 into the equation as x, you have the equation

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4 0
3 years ago
Write the equation of a line parallel to y= 2x + 2 that passes through the point (-1,-7). Show your work.
oksian1 [2.3K]

Answer:

\large\boxed{y=2x-5}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

Parallel lines have the same slope. Therefore if given line is

y=2x+2

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We have the equation:

y=2x+b

The line passes through (-1, -7). Put the coordinsted pf the point to the equation:

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3 years ago
A triangle has an area of 36 cm². The base and height are scaled by a factor of 5.
ahrayia [7]
Triangle Area = .5 * (base * height)
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So let's say base = 9 height 8
If base and height are scaled by a factor if 5 than
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Basically, the area increases by a factor of 25.
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Answer:

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Step-by-step explanation:


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