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Stels [109]
4 years ago
12

Can someone answer this:

Mathematics
1 answer:
ASHA 777 [7]4 years ago
3 0
4.00 ÷ 0.25 = 16
.70 ÷ 0.05 = 14

16 quarters + 14 nickels = 30 coins
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If y varies directly as x and y = 3 when x = - 9, then find x when y = 5.
Rus_ich [418]

Answer:

d. - 15

Step-by-step explanation:

The equation for direct variation is

y = kx

We know y =3 when x = -9

3 = k(-9)

Divide by -9

3/-9 = -9k/-9

-1/3 = k

The equation is then

y = -1/3 x

We know y = 5

5 = -1/3 x

Multiply each side by -3

-3*5 = -3*-1/3x

-15 = x

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3 years ago
What is the 10th term of the geometric sequence 1/256,1/128,1/64,1/1
chubhunter [2.5K]

Answer:

2

Step-by-step explanation:

you multiply each term by 2

4 0
3 years ago
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olganol [36]

Answer:

It's 74 Because 2 times 5 is 10plus 64 equals 74

5 0
3 years ago
Select the correct answer.
rusak2 [61]

I don't know i just need points sorry

7 0
3 years ago
What is the P(4/5) on two consecutive rolls of a number cube?
Alex787 [66]
The probability is one third or 2 sixths.
If you take 6 numbers(like on a number cube) and tai out two of them, you took out 2 out of 6... two sixths.
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