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Ganezh [65]
3 years ago
5

Can someone please help me out! and please explain your answer, and how you got it right! thank you so much!

Mathematics
1 answer:
Contact [7]3 years ago
8 0

It is

24x - 30

The equation for area of a trapezoid is

\frac{1}{2} (a + b) \times h

Substituting our values in

\frac{1}{2} (3x + 7 + 5x - 3) \times 6

We can then simplify the expression

\frac{1}{2} (8x - 10) \times 6 \\ (4x - 5) \times 6 \\ 24x - 30

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Express 34 as a pencentage
Colt1911 [192]
34 as a percent is 3400%

In order to get this number you move the decimal to places to the right:
34.0 ---> 3400.0 =
3400%
7 0
3 years ago
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K(t) = 10t - 19<br> K(-7) =
olga2289 [7]
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Explanation: 10 times -7 is -70. -70 minus 19 is -89.
3 0
3 years ago
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PLEASE HELP ASAP!!!!!!
Natali5045456 [20]

Answer:

13.60 See the note below.

Step-by-step explanation:

Remark

This is just the reverse of the question you just did. This time you are trying to solve for c

Givens

  • a = 8
  • b = 11
  • c = ??

Solution

c^2 = a^2 + b^2        Substitute the givens.

c^2 = 8^2 + 11^2       Expand

c^2 = 64 + 121           Combine the right side by adding

c^2 = 185                   Take the square root of both sides.

sqrt(c^2) = sqrt(185)       Complete the operation

c =  13.601                   Round to the nearest 1/100 th

c = 13.60                      Note: the zero must be there or the answer does not show the nearest 1/100 th

8 0
3 years ago
What is the value of Y????
yawa3891 [41]
Answer: The value of y=9.
6 0
3 years ago
A building measuring 90m by60m is to be built. A paved area of uniform will surround the building. The area is to have an are of
Effectus [21]
A= 9000m squared and A= base(width)*hight or A=b*h so divide 9000m by 60m
9000/60=(1050) 60 120 180 240 300 360 420 480 and so on
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