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GaryK [48]
3 years ago
8

What is the value of x?

Mathematics
2 answers:
Andreas93 [3]3 years ago
6 0
Its A because 5 squared = 25 and 12 squared = 144 so 144+ 25= 169. 
169=13 squared so its 13 or A

s.a: A
Ilya [14]3 years ago
4 0
You're trying to find the longest side of a right triangle, also known as the hypotenuse. The formula used is called the Pythagorean Theorem.
a^2+b^2=c^2
5^2+12^2=c^2
25+144=c^2
169=c^2
13=c
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Keith is using photo software to enlarge a photograph that is 4 inches by 6 inches to 9 inches by 13.5 inches. What is the scale
anzhelika [568]

Answer:

2.25

Step-by-step explanation:

The old width of 4 inches became a new width of 9 inches.

Old: 4 in.

New 9 in.

The old length of 6 inches became a new length of 13.5 inches.

Divide the new size by the corresponding old size.

9/4 = 2.25

13.5/6 = 2.25

You see in both cases, the scale factor is 2.25

The scale factor is 2.25

5 0
3 years ago
Nadia is a stockbroker. She earns 11​% commission each week. Last​ week, she sold ​$7,000 worth of stocks. How much did she make
makvit [3.9K]

Answer:

Nadia's commission per week is $770

Amount Nadia made in commission in 2011 is $40,040

Step-by-step explanation:

Commission made last week = 11% of $7,000

Therefore commission made last week = 0.11 × $7,000 = $770

Whereby Nadia averages the same aount each week, the amount Nadia would make in commission in 2011 is given by

Amount Nadia makes per week in commission = $7,000

Number of weeks in a year = 52 weeks. Therefore, amount Nadia makes in one year is given by

Amount in commission per week × 52 weeks

=$770 × 52 = $40,040

Amount Nadia made in 2011 = $40,040.

5 0
3 years ago
Identify an equation in point-slope form for the line perpendicular to y= -2x + 8 that passes through (-3, 9)?
Delicious77 [7]

Answer:

y= 1/2x + 21/2

Step-by-step explanation:

use the point formula to calculate

7 0
3 years ago
M(x)= 3^x<br> t(x)= -m(x+1)<br> I just need to know what happened to m(x) to make it t(x)
Marrrta [24]

Answer:

Step-by-step explanation:

We begin with m(x) = 3^x.

Then -m(x + 1) = -3^(x + 1).  Here we've inserted the ' - ' sign and replaced x with (x + 1).

7 0
3 years ago
Read 2 more answers
10<br> TIME REMAINING<br> 50:51<br> What are the solutions of x squared + 6 x minus 6 = 10?
aleksandrvk [35]

Answer:

X = -8 and X = 2

Step-by-step explanation:

X^2 + 6X - 6 = 10

Bring the 10 over:

X^2 + 6x - 16 = 0

From here, either use the quadratic formula or

manual factorization by finding its roots:

Manually:

(X + 8)(X - 2) = 0

Equate each factor to 0 you will get:

X + 8 = 0  and X - 2 = 0

Solutions are -8 and 2 respectively.

4 0
3 years ago
Read 2 more answers
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