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Monica [59]
3 years ago
8

The diagram shows a right-angled triangle.

Mathematics
2 answers:
solmaris [256]3 years ago
8 0

Answer:

\cos(47 \degree)   =  \frac{h}{12}  \\ h = 12 \cos(47 \degree)  \\ h = 8.2 \: cm

Alexxandr [17]3 years ago
5 0

you need to use cos

function

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~please only answer if you know for sure~<br> Thanks :)
ad-work [718]
In this, we have to see if we can get a common ratio between both of the triangles. Lets start by dividing 5 from 10. From this, we get 2. If we divide 7 from 14, we also get 2, so we know that they are similar. Therefore, both of them are similar because AB/FD = AC/FE
4 0
4 years ago
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For what value of b makes this equation true? (Solve for b)<br> b +9 = -2
neonofarm [45]

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▹ Answer

<em>b = -11</em>

▹ Step-by-Step Explanation

b + 9 = -2

     -9   -9

b = -2 - 9

b = -2 + -9

b = -11

Hope this helps!

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7 0
4 years ago
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Which equation represents a line that is parallel to the line y = - 4x +5?
Vikentia [17]
Y= -4x+3

slope is still the same so it would be parallel to that line. Only the y-intercept is different so it would just pass through a different point
6 0
3 years ago
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Akira and Hideo are twins with different jobs. Akira earns five-eighths of what Hideo earns, but Akira’s expenses are half of Hi
aleksklad [387]

9514 1404 393

Answer:

  25%

Step-by-step explanation:

Apparently, we're to assume that anything not spent is saved.

Let Hideo's income be 1. Then Akira's income is 5/8. Akira's expenses are 60% = 3/5 of that value, so ...

  Akira's expenses = (3/5)(5/8) = 3/8  . . . . . of Hideo's income

Hideo's expenses are twice this amount, so ...

  Hideo's expenses = (2)(3/8) = 3/4 . . . . . of Hideo's income

That means Hideo saves 1 -3/4 = 1/4 = 25/100 = 25% of his income.

Hideo saves 25% of his income.

4 0
3 years ago
D Problems
IRINA_888 [86]

Answer:

Step-by-step explanation:

g=800(0.35)=280

a. 280/800=7/25

b. 520/800=13/20

4 0
4 years ago
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