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Andrew [12]
4 years ago
5

Please help me with this, there’s a picture of the question

Mathematics
2 answers:
kari74 [83]4 years ago
7 0

Answer:

7.5

Step-by-step explanation:

Dmitrij [34]4 years ago
6 0

Answer:he answer will be 7.5

Step-by-step explanation:

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Your bedroom ceiling if 10 feet high and is two-thirds as high as the living room ceiling. Write and solve an equation to find t
timurjin [86]
Ht of ceiling = 10 ft which is two-thirds of living rm ceiling
Ht of living rm ceiling = 2/3x = 10 ft
2/3h = 10 ft
2/3h times 3/2 to solve for h = 10 times 3/2
h = 30/2
h = 15 ft
5 0
3 years ago
Work out the value of<br> 5^8 x 5^-2 /<br> 5^4
IrinaK [193]

Answer:

the answer is 25

Step-by-step explanation:

7 0
3 years ago
If sinA =3/5 and A+B =90 find cosB
-Dominant- [34]

A+B=90^o\to B=90^o-A\\\\\cos B=\cos(90^o-A)=\cos90^o\cos A+\sin90^o\sin A\\\\=\cos A+1\cdot\dfrac{3}{5}=0+\dfrac{3}{5}=\dfrac{3}{5}\\\\\boxed{\cos B=\dfrac{3}{5}}

Used:\\\\\cos(x+y)=\cos x\cos y+\sin x\sin y\\\\\cos90^o=0,\ sin90^o=1

Other method:

Look at the picture.

\sin\theta=\dfrac{opposite}{hypotenuse}\\\\\sin A=\dfrac{3}{5}\to opposite=3\ and\ hypotenuse=5

\cos\theta=\dfrac{adjacent}{hypotenuse}\\\\adjacent=3\ and\ hypotenuse=5\to\cos B=\dfrac{3}{5}

8 0
3 years ago
Help me !!! ASAP<br><img src="https://tex.z-dn.net/?f=4%20%2B%206" id="TexFormula1" title="4 + 6" alt="4 + 6" align="absmiddle"
Artist 52 [7]

Answer:

<h2>10</h2>

Step-by-step explanation:

<h2>hope it helps im not using calculator or go.ogle</h2>
3 0
3 years ago
Read 2 more answers
Kendra is buying an outfit that is on sale for 20% off. The original price of the outfit is $109. What is the sale price? $130.8
aliya0001 [1]
$109 X 20%
$109 X 0.2=$21.8
$109-$21.8=$87.20
7 0
3 years ago
Read 2 more answers
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