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2 years ago

1.64 written as fraction in simplest form

1 answer:

8 0

$1.64 = \frac{1.64 \times 100}{1 \times 100} = \frac{164}{100} = \frac{41\times 4}{25\times 4} = \boxed {\frac{41}{25} }$

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A teacher wants to see if a new unit on taking square roots is helping students learn. She has five randomly selected students t

Dima020 [189]

Answer:

The P-value for this test is P=0.00006.

Step-by-step explanation:

We have a matched-pair test, with a test statistic t=-14.9.

The degrees of freedom in a sample of 5 students is:

$df=n-1=5-1=4$

For a t=-14.9 and 4 degrees of freedom, a left-tail test will have a P-value of:

$P-value=P(t_4$

The claim is that the new unit on taking square roots is helping students to learn. This test concludes that there is statistical evidence to support the claim that the new unit is helping students to learn.

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3 years ago

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Brenda wants to make 160 photocopies that each cost $0.045. What is her total before tax?

katrin2010 [14]

Total copies = 160
Cost of each copy= $0.045
Total cost = 160*0.045
= $7.2

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2 years ago

Select ALL the correct answers.

swat32

5.2 x 10-2 and 5.2 x 10-1

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2 years ago

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In simplest radical form, what are the solutions to the quadratic equation 6 = x2 - 10x?

WARRIOR [948]

Answer:

x = $5 - \sqrt{31}$ , $5 + \sqrt{31}$

Step-by-step explanation:

6 = x^2 - 10x

0 = x^2 - 10x - 6

Let's use the quadratic formula. ( $x = \frac{-b +- \sqrt{b^2 - 4ac}}{2a}$ )

$x = \frac{10 +- \sqrt{-10^2 - 4(-6)}}{2}$

x = $\frac{10 +- 2\sqrt{31} }{2}$

= 5 +- $\sqrt{31}$

x = $5 - \sqrt{31}$ , $5 + \sqrt{31}$

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3 years ago

8. An artist creates 8 identical ceramic bowls. The bowls contains some glass and 59.2 pounds of clay. The artist uses a

Aleksandr [31]

Answer:

021110321....1.12...1.1.631.6301

Step-by-step explanation:

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2 years ago

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