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Andreyy89
2 years ago
10

Please answer I would really appreciate it

Mathematics
2 answers:
Kay [80]2 years ago
8 0

Answer:

Option C

Step-by-step explanation:

70 ÷ 5 = 14

70 ÷ 7 = 10

quester [9]2 years ago
5 0

Answer:

C. 70

Step-by-step explanation:

70/5= 14

70/7 =10

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Can anyone help me with this?
Zina [86]

Answer:

  b = 15°

Step-by-step explanation:

The base angles (c = ∠QRP) of ΔQPR are such that the sum of angles of the triangle is 180°. Since the triangle isosceles, the base angles are equal:

  2c +60 = 180

  2c = 120

  c = 60 . . . . . . degrees; the base angle of ΔQPR

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Likewise, the base angle (∠SRP) of ΔSPR is ...

  a = (180 -90)/2 = 45 . . . . . degrees

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The measure of angle b is the difference between the larger and smaller base angles:

  b = c -a = 60° -45°

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Answer: I don't believe i understand.

Step-by-step explanation:

6 0
3 years ago
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Data on the blood cholesterol levels of 6 rats give mean = 85, s= 12. A 95% confidence interval for the mean blood cholesterol o
lana [24]

The <em><u>correct answer</u></em> is:

c)75.4 to 94.6

Explanation:

The formula for a confidence interval is:

\mu \pm z*(\frac{\sigma}{\sqrt{n}}),

where μ is the mean, z is the z-score associated with the level of confidence we want, σ is the standard deviation, and n is the sample size.

Our mean is 85, our standard deviation is 12, our sample size is 6, and since we want 95% confidence, our z-score is 1.96:

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3 years ago
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jeyben [28]
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3 years ago
A garden hose emits 9 quarts of water in 6 seconds how much did the water emit in 10seconds
jarptica [38.1K]

Answer:

In 10 seconds, the garden hose will emit 15 quarts of water.  

Step-by-step explanation:

The amount of water emitted by the garden hose over time can be expressed as a ratio:  9/6, or 9 quarts of water for every 6 seconds of time.  We can then simplify this ratio to 3/2, or 3 quarts of water for every 2 seconds of time.  Since the ratio will remain constant, or the same, over time, we can set up an equivalent ratio, or fraction to find the amount of water emitted in 10 seconds:  3/2 = x/10.  We look at the denominators and see that 2 x 5 = 10.  In order to make the ratios equivalent, we would also multiply the numerator by 5:  3 x 5 = 15, which gives us the amount of water emitted in 10 seconds.  

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3 years ago
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