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Zanzabum
4 years ago
9

A man whose height is 2.1 m casts a shadow that is 3.2 m in length. What is the approximate height of a building that casts a sh

adow of 11.5 m?
a. 10.4 m
b. 9.6 m
c. 7.5 m
d. 17.5 m

Mathematics
1 answer:
Colt1911 [192]4 years ago
6 0

Answer:

ok so first

2.1 divided by 3.2 =0.65625

0.65625*11.5=7.546875

So the answer is B

Hope This Helps!!!

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I really need help on this one
ladessa [460]

Answer:

Step-by-step explanation:

1.Find X

x^2 +8x+15 = (x+5)

       -x             -x

x^2+7x+15=5

            -5  -5

x^2 +7x+10=0

Do the quadralic formula

a=1 b=7 c=10

<u>-7±√7^2-4(1)(10)</u>

          2(1)

<u>-7±√49-40</u>

        2

<u>-7±√9</u>

    2

-7±3

divide 2 by each number

-3.5 ± 1.5

-3.5+1.5           -3.5-1.5

     -2                    -5

x= -2 x=-5

2. find the length of the garden

-2+5 =3

the length is 3

3. plug in the length to the area of the garden

-5^2+8(-5)+15=3

solve

25-40+15=3

0=3

the width of the garden is 3 square feet

7 0
3 years ago
What is 149866.37636 rounded to the nearest whole number​
NeX [460]

Answer:

149866 is the nearest whole number.

Step-by-step explanation:

6 0
4 years ago
Write an equation to show the relationship between 7 meters and .007 kilometer
Dennis_Churaev [7]
7*0.001 = 0.007 

I hope this helps!
5 0
3 years ago
Help please!??!!?!?
vfiekz [6]

9514 1404 393

Answer:

  a) CP = SP/1.1

  b) CP = $59.50

  c) GST = $5.95

Step-by-step explanation:

a) Divide by the coefficient of CP.

  SP = 1.1×CP

  CP = SP/1.1

__

b) Use the formula with the given value.

  CP = $65.45/1.1 = $59.50

__

c) You can do this two ways: subtract CP from SP, or multiply CP by 0.1.

  GST = SP -CP = $65.45 -59.50 = $5.95

  GST = CP×0.10 = $59.50 × 0.10 = $5.95

5 0
3 years ago
4x^2-13x+10 x method<br><br><br><br>​
Afina-wow [57]

Answer:

4x2 − 3x = 0

Factorization:

x(4x − 3) = 0

Solutions based on factorization:

x = 0   ⇒   x1 = 0

4x − 3 = 0   ⇒   x2 = 34 = 0.75

hope this helps if wrong sorry

Step-by-step explanation:

5 0
3 years ago
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