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Sophie [7]
2 years ago
6

What does (+6) - (-2) =

Mathematics
1 answer:
abruzzese [7]2 years ago
5 0

Answer:

8

Step-by-step explanation:

Hope that helps :)

.....

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Brainliest=first right:)
Nezavi [6.7K]
The answer is 1, good luck
5 0
2 years ago
Read 2 more answers
If the angle of elevation of the sun is 61.7° when a building casts a shadow of 56.5 feet, what is the height of the building ro
maksim [4K]

SOLUTION

Let us use a simple diagram to interprete the question

In the diagram above, the dark stuff below represents the shadow and the rectangular bar represents the building. I have labelled the height of the building as h.

So we will use the right-angled triangle formed to find h

As we can see h represents the opposite side and 56.5 feet represents the adjacent side of the right-angle triangle. So we will use TOA

\text{TOA tan }\theta=\frac{opposite}{\text{adjacent}}

So we have

\begin{gathered} \text{ tan }\theta=\frac{opposite}{\text{adjacent}} \\ \text{ tan }61.7\degree=\frac{h}{56.5} \\ 1.8572015=\frac{h}{56.5} \\ \text{cross multiplying, we have } \\ h=1.8572015\times56.5 \\ h=104.931887 \end{gathered}

Hence the answer is 104.9 feet to the nearest tenth

4 0
9 months ago
at first, the ratio of john’s money to peter’s money was 4:7 . after john spent half of his money and peter spent $60, peter had
hodyreva [135]

Answer:

$80

Step-by-step explanation:

4x/2=2x

7x-60

7x-60=2x*2

7x-60=4x

3x=60

x=20

20*4=80

4 0
3 years ago
HELP
goblinko [34]

Answer:

9:4

Step-by-step explanation:

4 0
2 years ago
Ten times a number a added to three times a second number b divided by a third number c.​
pentagon [3]

Answer:

10a+3b÷c/3

Step-by-step explanation:

let the first number be a

second be b

third be c

10×a +3×b ÷c÷3

10a+3b÷c/3

=10a+3b÷c/3

5 0
2 years ago
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