3 years ago

Short Response 6. Are the triangles at the right simílar? Explain.

Mathematics

1 answer:

Taya2010 [7]3 years ago

5 0

Answer:

Yes they are similar because they are both right angles but the one on the right is bigger than the one on the left.

Step-by-step explanation:

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Maria drove 520 miles in 8 hours. How many miles per hour did she drive?

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Answer:

65 mph

Step-by-step explanation:

520/8 is 65

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2 years ago

Solve for x. 5+(x-2)=-8

Arte-miy333 [17]

Answer:

x = -11

Step-by-step explanation:

First, get rid of parentheses:

5 + x - 2 = -8

Then, simplify:

3 + x = -8

Finally, subtract 3 on both sides:

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3 years ago

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miskamm [114]

Since $f(x)=(x+1)^2(x+3)$ it follows that $x=-1$ is a root of multiplicity 2.

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3 years ago

The drying times for a certain type of cement are normally distributed with a standard deviation of 30 minutes. A researcher wis

IceJOKER [234]

Answer:

h. 36

Step-by-step explanation:

For a 68.26% confidence, z = 1.0.

Standard deviation (s) = 30 minutes

The sample size needed to assure that the sample mean does not differ from the true mean by more than 5 minutes is given by:

$5\geq z*\frac{s}{\sqrt n}\\\sqrt n\geq 1*\frac{30}{5}\\n\geq 36$

The sample size needed is 36.

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3 years ago

Solve 2/3 = x/18 SOMEONE PLS HELP

Mademuasel [1]

Answer:

x = 12

Step-by-step explanation:

what you have to do is cross multiply::

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2 years ago