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KIM [24]
3 years ago
7

PLEASE ASNWER ILL GIVE BRAINLIEST

Mathematics
1 answer:
deff fn [24]3 years ago
3 0

Answer:

8.6

Step-by-step explanation:

a^2+b^2=c^2

7^2+5^2=c^2

49+25=c^2

74=c^2

8.6=c

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What is the result of subtracting the second equation from the first ? -7x-y=0 and 7x+8y=-6
hoa [83]

Answer:

- 14x - 9y = 6

Step-by-step explanation:

- 7x - y = 0 → (1)

7x + 8y = - 6 → (2)

Subtracting (2) from (1) term by term

- 7x - 7x - y - 8y = 0 - (- 6)

- 14x - 9y = 0 + 6

- 14x - 9y = 6

5 0
2 years ago
Each base of a triangular prism is a right triangle with side lengths 3 inches, 4 inches, and 5 inches. The height of the prism
Gnom [1K]
<span>Area of the base = 3*4 / 2 = 6
</span><span>Area of BOTH bases = 12 sq inches
Area of one face = 3 * 7 = 21 sq inches
</span>Area of 2nd face = 4 * 7 = 28 <span>sq inches
</span>Area of 3rd face =  5 * 7 = 35 <span>sq inches

TOTAL Area = 96 </span><span>sq inches</span>

6 0
3 years ago
Helppppppppppppp pliss
Aliun [14]
The straight line equals 180
The two angels have to equal 180

180-63=117

117-25=92

92 divided by 4 is 23

x=23

I hope this helped!
4 0
3 years ago
A line passes through (4,-5) and had a slope of 5/2. Write an equation in point-slope form for this line
Arada [10]

Answer:

y+5 = 5/2( x -4)

Step-by-step explanation:

Point slope form of a line is

( y-y1) = m(x-x1) where m is the slope and ( x1 ,y1) is a point on the line

y --5 = 5/2( x -4)

y+5 = 5/2( x -4)

8 0
3 years ago
Read 2 more answers
Ed turns 34 and deposits $100 at the end of each month in IRA that earns 9% interest p.A compounded monthly. Find how much will
pickupchik [31]

Answer:

FV= $123,879.85

Step-by-step explanation:

Giving the following information:

Montlhy deposit (A)= $100

Monthly interest rate (i)= 0.09/12= 0.0075

Number of periods (n)= 12*26= 312 months

<u>To calculate the future value, we need to use the following formula:</u>

FV= {A*[(1+i)^n-1]}/i

A= monthly deposit

FV= {100*[(1.0075^312) - 1]} / 0.0075

FV= $123,879.85

3 0
2 years ago
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