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san4es73 [151]
2 years ago
12

People use water to​ cook, clean, and drink every day. An estimate of 17.2% of the water used each day is for cooking . If a fam

ily uses 68.8 gallons of water a day for cooking​, how many gallons do they use every​ day?
Mathematics
1 answer:
KiRa [710]2 years ago
4 0
Ummmmmmm try using those things that help ppl with math
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Vera_Pavlovna [14]
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3 years ago
Sam is a painter. He has 2 1/4 gallons of paint, and it takes 3/4 of a gallon to paint a room. How many rooms can he paint?
Masteriza [31]
The answer is c . I hope I helped
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2 years ago
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5.8 km is how many meters
stepan [7]

Answer:

5,800m

Step-by-step explanation:

1 km = 1000 m

Use the SBD (small to big, divide) and BSM (big to small, multiply) method.

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3 0
3 years ago
WILL GIVE BRAINLIEST!!! Given tan(theta) = 4/3 and pi < theta < (3pi)/2, find cos(2theta).
babymother [125]

Answer:  \cos 2 \theta = \dfrac{-7}{25}

Step-by-step explanation:

Given: \tan \theta = \dfrac{4}{3}  and  \pi < \theta< \dfrac{3\pi }{2}

To find: \cos 2 \theta

Now as we know

\cos 2x = \dfrac{1- \tan ^2 x}{1+ \tan ^2 x}

So we have

\cos 2 \theta = \dfrac{1-(\dfrac{4}{3} )^2}{1+(\dfrac{4}{3} )^2} \\\\\Rightarrow \cos 2 \theta = \dfrac{1- \dfrac{16}{9} }{1+ \dfrac{16}{9} } = \dfrac{\dfrac{9-16}{9} }{\dfrac{9+16}{9}} = \dfrac{-7}{25}

Therefore d. is the correct option

Hence , \cos 2 \theta = \dfrac{-7}{25}

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3 years ago
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