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2 years ago

What is the base of the triangle? Pls I need it ASAP

Mathematics

2 answers:

Elden [556K]2 years ago

5 0

A triangle is B x H divided by 2. If the area is 30, then to work backwards we multiply it by 2. That gets us 60, and if one of the sides is 6, that can only mean it’s 10

PIT_PIT [208]2 years ago

3 0

Answer: 10 I think not sure

Step-by-step explanation: 1/2 base times height-> 1/2(6•10)

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What is the value of the slope of the graph of distance versus time, and what does the slope represent?

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25% of a number is 80. What is 60% of the number.

timofeeve [1]

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3 years ago

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What number is opposite of 56

OLga [1]

Answer:

- 56

Step-by-step explanation:

The opposite of a number is its negative value

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3 years ago

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A shoe manufacturer was investigating the weights of men's soccer cleats. He felt that the weight of these cleats was less than

aleksklad [387]

Answer:

The conclusion is that the researcher was correct

Step-by-step explanation:

From the question we are told that

The sample size is $n = 13$

The sample mean is $\= x = 9.63$

The standard deviation is $s = 0.585$

The significance level is $\alpha = 0.05$

The Null Hypothesis is $H_o : \mu = 0$

The Alternative Hypothesis is $H_a = \mu < 10$

The test statistic is mathematically represented as

$t = \frac{\= x - \mu }{\frac{s}{\sqrt{n} } }$

Substituting values

$t = \frac{9.63 - 10 }{\frac{0.585}{\sqrt{13} } }$

$t = - 2.280$

Now the critical value for $\alpha$ is

$t_{\alpha } = 1.645$

This obtained from the critical value table

So comparing the critical value of alpha and the test value we see that the test value is less than the critical value so the Null Hypothesis is rejected

The conclusion is that the researcher was correct

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