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mariarad [96]
2 years ago
9

Find the length of the third side. If necessary, round to the nearest tenth. 30 18

Mathematics
1 answer:
grigory [225]2 years ago
8 0

Answer:

24

Step-by-step explanation:

use Pythagoras theorem

a^2 + b^2 = c^2

18^2+b^2=30^2

b^2 = 30^2 - 18^2

b = √576 =24

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Simplify log 4 - log 8
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Answer:

-log2

Step-by-step explanation:

log4 - log8 = log2² - log2³

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                    = (2 - 3)×log2

                    = (-1)×log(2)

                    = -log2

             

6 0
2 years ago
Solve 12x - 8 = 9x + 13
Lelechka [254]
X=7

Hope this helps and have a wonderful day!
5 0
3 years ago
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Reggie needs 24 feet of rope to make a tire swing. He has 10 yards of rope. Is this enough for him to make his swing? Explain.
Luden [163]

Answer:

8 yards < 10 yards

He has enough.

Step-by-step explanation:

1 yard = 3 feet

y yards = 24 feet

\frac{1}{3} :\frac{y}{24}

y · 3 = 1 · 24

3y = 24

3y ÷ 3 = 24 ÷ 3

y = 8

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3 0
2 years ago
Write the equation of a line, in slope-intercept form<br> (1,1);(-2,-11)<br> Y =
bonufazy [111]

Answer:

Y =4X  -3

Step-by-step explanation:

x1 y1  x2 y2

1 1  -2 -11

   

(Y2-Y1) (-11)-(1)=   -12  ΔY -12

(X2-X1) (-2)-(1)=    -3  ΔX -3

   

slope= 4          

B= -3          

   

Y =4X  -3    

6 0
3 years ago
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Marc is building a rectangular wooden frame for his canvas. If the canvas is 7 feet long by 5 feet wide, what is the perimeter o
Assoli18 [71]

Answer:

24 feet

Step-by-step explanation:

Use the perimeter formula, P = 2l + 2w, where l is the length and w is the width.

Plug in the values, and solve:

P = 2l + 2w

P = 2(7) + 2(5)

P = 14 + 10

P = 24

So, the perimeter of the canvas is 24 feet

8 0
3 years ago
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