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2 years ago

Translate the phrase into a numerical expression. One hundred devided by the quantity three times five

Mathematics

1 answer:

tester [92]2 years ago

6 0

Answer:

$\dfrac{100}{3 \times 5}$

Step-by-step explanation:

$\dfrac{100}{3 \times 5}$

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Find all solutions to the equation. <br><br> cos^2x + 2 cos x + 1 = 0

mixas84 [53]

$\cos^2(x)+2\cos(x)+1=0\\\\ (\cos(x)+1)^2=0\\\\ \text{So:}\\\\ \cos(x)+1=0\\\\ \cos(x)=-1\\\\ \boxed{x=\pi+2k\pi},~k\in\mathbb{Z}$

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2 years ago

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mario62 [17]

I think a is your answer

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2 years ago

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Assume that the following confidence interval for the difference in the mean length of male (sample 1) and female babies (samp

mafiozo [28]

Answer:

c. There is no difference in the length between male and female babies

Step-by-step explanation:

When a confidence interval contains a zero, then there is no statistically significant different between the two group means because this means that there is a zero in the difference between the groups and a zero in the difference means there is no difference.

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3 years ago

Delaney bought a crate for her puppy when it was 3 months old. The crate is in the shape of a rectangular prism. Since the puppy

Alika [10]

Answer:

The volume of the new crate is exactly 174.4% of the old crate.

Step-by-step explanation:

Volume of a rectangular prism:

The volume of a rectangular prism of dimensions x, y and z is given by:

$V = xyz$

She decided that the dimensions of the new crate needs to be increased by 40% of the original length.

Each dimension is increased by 40%, which means that each is multiplied by 1 + 0.4 = 1.4. So

$V = 1.4x(1.4y)(1.4z) = (1.4)^3(xyz) = 2.744(xyz)$

Percentage:

The new volume is 2.744 the original volume. Considering the original volume is 100% = 1, it increased by 2.744 - 1 = 1.744 = 1.744*100% = 174.4%.

The volume of the new crate is exactly 174.4% of the old crate.

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2 years ago

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laiz [17]

Answer:

Option 3

Step-by-step explanation:

When it says 12 less, that means -12.

Hope I helped. :)

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2 years ago