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djyliett [7]
3 years ago
5

1. The scores from a statistics test were

Mathematics
1 answer:
OLEGan [10]3 years ago
3 0

Answer:

mean :79

Step-by-step explanation:

99, 60, 82, 78, 93, 71, 68, 86, 80, 95, 72, 64

add up all of the numbers divide by the total amount of numbers, which is 12.

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Suppose you & your friends are going to the movies.The amount of money you spend for tickets varies directly with the number
mojhsa [17]
This is the equation you need to use: y = kx
So, let's put it this way:
y can be the total amount of money you spend (so $48), and x the number of people (6)

y=kx
48=k*6
k = 48/6
k = 8

The constant variation, and the price of one ticket is 8. 
3 0
3 years ago
25. A wheelchair access ramp has an angle of elevation of 16°. If the ramp
Elanso [62]

Answer:

C. 76.81

Step-by-step explanation:

We must use one of the trigonometric ratios to find the length, L,  of the ramp.  If we use 16 as the reference angle, the 22 in would be our opposite side and the ramp length is the adjacent.

Therefore, we must use tan, which is \frac{opposite}{adjacent}:

tan (16)=\frac{22}{L} \\\\L*(tan(16)=22)\\\\L*tan(16)=22\\

\frac{L*tan(16)}{tan(16)}=\frac{22}{tan(16}  \\\\L=79.815=79.82 in.

8 0
2 years ago
It says factor each expression 49x-28?
NARA [144]

Answer:

7(7x -4)

Step-by-step explanation:

49x-28

We can factor a 7 from each term

49x = 7*7x

28 = 7*4

7(7x -4)

3 0
4 years ago
supposed the first friday of a new year is the fourth day of that year .will the year have 35 friday regardless of whether or no
inysia [295]
No there is 53 Friday's in a year
6 0
4 years ago
What is a product of power?
Kryger [21]

Answer:

To find a power of a product, find the power of each factor and then multiply. In general, (ab)m=am⋅bm. am⋅bm=(ab)m. In other words, you can keep the exponent the same and multiply the bases.

Step-by-step explanation:

We use the power of a product rule when there are more than one variables being multiplied together and raised to a power. The power of a product rule tells us that we can simplify a power of a power by multiplying the exponents and keeping the same base.

6 0
3 years ago
Read 2 more answers
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