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scoray [572]
3 years ago
7

HELP ! MARKING BRAINLEST TO WORK THIS OUT

Mathematics
1 answer:
natulia [17]3 years ago
8 0

Answer:

16% = 73.6

Step-by-step explanation:

If 1% is = 4.6 then 16% is

1* 16 % = 4.6 * 16

16% = 73.6

You might be interested in
The height of a triangle is 8ft greater than the base. The area of the triangle is 136.5 square ft. Find the length of the base
mixer [17]

Answer:

the base is 9/2 ft and the height is 9/2 + 8, or 25/8, ft.

Step-by-step explanation:

Note that the formula for the area of a triangle is A = (1/2)(base)(height).  Let's abbreviate that to A = (1/2)(b)(h).   We are told that h = b + 8.

Then A = 136.5 = (1/2)(b)(b + 8), or

               (after multiplying both sides by 2)

          A = 273 = b^2 + 8b

                which, when put into standard quadratic form, becomes:

b^2 + 8b - 273 = 0

The coefficients of this quadratic are a = 1, b = 8 and c = -273.

Thus, the discriminant is b^2 - 4ac, or 64 - 4(1)(-273) = 1156 = 17^2.

The roots are then

      -8 ± √1156            -8 ± 17

x = --------------------  =  ------------ = 9/2 and -25/2

              2                          2

Only the root 9/2 makes sense here, because measurements of length are positive.

Thus, the base is 9/2 ft and the height is 9/2 + 8, or 25/8, ft.

3 0
3 years ago
What is 39/40 as a decimal?
Cerrena [4.2K]
39/40 as a decimal is 0.975
4 0
3 years ago
Read 2 more answers
Solve for :<br> We now want to solve for 2.<br> - 40 + 11 = -1
elixir [45]

Answer:

False

Step-by-step explanation:

Since -40+11 does not equal -1, it is False.

So, your answer is "false"

3 0
3 years ago
Solve for v.<br><br> 14 − 10v + 11 = 20v + 5(–7v − 11)<br><br> v =
AlexFokin [52]

Answer:

v = -16

Step-by-step explanation:

<u>→Distribute the 5 to (-7v - 11):</u>

14 - 10v + 11 = 20v - 35v - 55

<u>→Add like terms:</u>

25 - 10v = -15v - 55

<u>→Add 15v to both sides:</u>

25 + 5v = -55

<u>→Subtract 25 from both sides:</u>

5v = -80

<u>→Divide both sides by 5:</u>

v = -16

7 0
3 years ago
Read 2 more answers
What does X equal. -356 = -77 -9x<br> This is grade 7 math.
LuckyWell [14K]

Answer:

<h2> <em><u>x = 2.82 (approx.)</u></em></h2>

Step-by-step explanation:

<em><u>Given</u></em><em><u>, </u></em>

- 356 = -77 - 99x

=> -77 - 99x = -356

=> -99x = -356 + 77

=> -99x = -279

=  > x =  \frac{ - 279}{ - 99}

=> x = 2.8181....

=> <em><u>x = 2.82 (approx.) (Ans)</u></em>

7 0
3 years ago
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