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Ira Lisetskai [31]
2 years ago
10

The turn signal Car A blinks 7 times every 5 seconds. The turn signal on Car B blinks 5 times every 4 seconds. In one minute, ho

w many more times will the turn signal blink on Car A than the turn signal on Car B?
PlS AOLVE ASAP! Will Give Brainliest
Mathematics
2 answers:
dimaraw [331]2 years ago
7 0

Answer:

Make one blink and you're dead, that's just facts period.

mhmm, common sense.

Black_prince [1.1K]2 years ago
3 0

Answer: 6 - 10 blinks would probably be a reasonable target.

Step-by-step explanation:

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Find the unit rate.<br> 1/3 kilograms : 2/3 foot.
Darya [45]

Answer:

0.5kg per foot

Step-by-step explanation:

1/3 : 2/3

1 : 2

1 kg is 2 feet

0.5 kg/foot

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3 years ago
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In order to prove △ABC ≅ △DBC by SAS, what additional information must be given?
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Fynjy0 [20]
The answer for A is 2,026. I set a porportion up which is 77/x = 3.8/100 

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3 years ago
Write 7 more than w is 25 as an algebraic equation.
ludmilkaskok [199]

Answer:

w+7=25

Step-by-step explanation:

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w+7=25

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Using traditional methods, it takes 95 hours to receive a basic flying license. A new license training method using Computer Aid
Snowcat [4.5K]

Answer:

There is not sufficient evidence to support the claim that the technique performs differently than the traditional method.

Step-by-step explanation:

The null hypothesis is:

H_{0} = 95

The alternate hypotesis is:

H_{1} \neq 95

The test statistic is:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation and n is the size of the sample.

A researcher used the technique with 260 students and observed that they had a mean of 94 hours. Assume the standard deviation is known to be 6.

This means, respectively, that n = 260, X = 94, \sigma = 6

The test-statistic is:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{94 - 95}{\frac{6}{\sqrt{260}}}

z = -2.69

The pvalue is:

2(P(Z < -2.69))

P(Z < -2.69) is the pvalue of Z when X = -2.69, which looking at the z-table, is 0.0036

2*(0.0036) = 0.0072

0.0072 < 0.01, which means that the null hypothesis is accepted, that is, there is not sufficient evidence to support the claim that the technique performs differently than the traditional method.

7 0
3 years ago
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