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3 years ago

Please help!! Due in 30 minutes! Please send picture or something, I need the work lais out!! Thank you!

Mathematics

1 answer:

Sedaia [141]3 years ago

3 0

Answer:

3,076

114,098

35,568

1,895

Step-by-step explanation:

27,684 ÷ 9 = 3,076

123,423 - 9,334 = 114,098

456 × 78= 35,568

20,845 ÷ 11 = 1,895

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5. A monument casts a 78 ft. shadow at the same time that a vertical yardstick casts a 4.5 ft. shadow. How high is the monument?

rodikova [14]

Hello,

Using Thalès 's theorem:

Let's h the height of the monument.

$\dfrac{1}{h} =\dfrac{4.5}{78} \\\\h=\dfrac{78}{4.5} =\dfrac{156}{9} \approx{17.3\ (ft)}$

If you don't know what is the Thalès's theorem,

imagine that the similar triangles.

5 0

3 years ago

What is b <br> −2.9+ b/0.1 = − 39.9

Aneli [31]

Answer:

b = - 1.09

Step-by-step explanation:

- 2.9 + b ÷ 0.1 = - 39.9

- 2.9 + b ÷ 0.1 × 0.1 = - 39.9 × 0.1

- 2.9 + b = - 3.99

- 2.9 + 2.9 + b = - 3.99 + 2.9

b = - 1.09

4 0

3 years ago

Read 2 more answers

Witch answer is it plsss −36 + 6 = −3( − 6)

madreJ [45]

Answer:

No solution because -30 does not equal 18

Step-by-step explanation:

-36 + 6 = -3(-6)

-30 = 18

No solution

5 0

4 years ago

there are a total of 127 cars and trucks on a lot. if there are four more than twice the number of trucks than cars, how many ca

Mandarinka [93]

C+T=127

--------------

2C+4=T

-----------

C+(2C+4)=127

3C+4=127

3C=123

C=41

------------------

When C=41,

41+T=127

T=127-41

T=86

------------------

Check answer:

86+41=127

3 0

4 years ago

Read 2 more answers

Can someone help me I don’t know how to do this

babunello [35]

Answer:

$4\ frac {1}{9}$

Step-by-step explanation:

The recurring part is .111111

Now the number is 4.1111111111111 and let this number be x.

If you get 10x we shall have

10x=41.1111111111..... Equation 1

x=4.11111.... Equation 2

Subtract equation 2 from 1

10x-x=41.11111111-4.11111111=37

9x=37 hence x=37/9

The number will be $\frac {37}{9}=4\frac {1}{9}$

4 0

3 years ago