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ExtremeBDS [4]
3 years ago
12

In 31 days, Gwen's dog sleeps 496 jours.If she sleeps that same number of hours each night, how many hours does she sleep per ni

ght?Find the unknown number in the equation 496÷31 = h
Mathematics
2 answers:
natima [27]3 years ago
5 0
496÷31=16 
She sleeps 16 hours per night
g100num [7]3 years ago
4 0
It 496 ÷ 31 = 16 days
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Please Hurryyy
Helga [31]

The measure of angle J is 19.8°, and the correct option is D.

<h3>What is the formula of cosine?</h3>

The law of cosine or cosine rule in trigonometry is a relation between the side and the angles of a triangle. Suppose a triangle with sides a, b, c and with angles cosC.

The following formula is used to find the angle j is;

\rm j^2 = h^2 + i^2 -2hicosC

Triangle HIJ has side lengths h=12, i = 17, j = 7.

Substitute all the values in the formula;

\rm j^2 = h^2 + i^2 -2hicosJ\\\\(7)^2=(12)^2+(17)^2-2 \times 12 \times 17 cosJ\\\\49=144+289-408cosJ\\\\144+289 -49 =408cosJ\\\\384 =408cosJ\\\\cosJ=\dfrac{384}{408}\\\\cosj = 0.94\\\\J =cos^{-1}(0.94)\\\\J=19.8

Hence,  the measure of angle J is 19.8°, and the correct option is D.

Learn more about law cosine here;

brainly.com/question/17289163

#SPJ1

3 0
1 year ago
a bevrage is made by mixing 3 parts of water with 5 parts of fruit juice how many parts of water are mixed with 1 part of fruit
romanna [79]
So the ratio is 3:5. Se need to find x:1 you do that by dividing each side by 5. 3/5 = .6
6 0
3 years ago
3(x – 5) = 2(x – 5) + x solve for x and number of soultions
ArbitrLikvidat [17]

Answer:

Step-by-step explanation

3x-15=2x-10+x

3x-15=3x-10

in this step, problem happens

becoz both side doesnt equal, no ans can be proven

4 0
3 years ago
Read 2 more answers
PLESSSSS I NEEEEEEEEEDDDDD HELPPPPPPPPPPPP PLESSSSS NO LINKS IM BEGGGG YALLLLL I NEEEEEEEEEDDDD HELPPPPPP HELPP HELPPPP
xxMikexx [17]

Answer:14.70

Step-by-step explanation: 14.70

4 0
2 years ago
rancho middle school has an average of 23 3/8 students per teacher.write this mixed number as a decimal.
Bas_tet [7]
The answer is :
23 3/8 can be written as 23.375
3 0
3 years ago
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