4 years ago

Which choice is true for a square?

Mathematics

2 answers:

enot [183]4 years ago

7 0

The answer I think is A.

Karolina [17]4 years ago

3 0

I took the test and got A) A square is also a rectangle and a rhombus correct

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Felix scored 52 and 64 on his first two test in Sociology 212. What must he get on the third test to get an average of the three

Pie

Answer:

Felix's third test score must be greater than 94

Step-by-step explanation:

Felix scores on Sociology 212 tests:

1st test - 52

2nd test - 64

3rd test - x

Find the average of Felix's scores:

$\text{Average}=\dfrac{\text{The sum of all scores}}{\text{The total number of scores}}\\ \\\text{Average}=\dfrac{52+64+x}{3}$

An average of the three test must be above 70, this means

$\text{Average}>70\\ \\\dfrac{52+64+x}{3}>70$

Solve this inequality. First, multiply it by 3:

$52+64+x>210\\ \\x>210-52-64\\ \\x>94$

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3 years ago

What is the repeating decimal for 8/11

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8 ÷ 11 = 0.72727272...
Therefore, decimal '72' is repeating

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3 years ago

What two integers do 199 fall between

Nikolay [14]

Between 198 and 200, I believe.

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3 years ago

Evaluate the derivative of the given function for the given value of x. Yequalsstartfraction 3 x minus 6 over 4 x plus 5 endfrac

geniusboy [140]

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3 years ago

Nita buys a rug that is 10 3/4feet x 12 1/2 feet. What is the area

Gennadij [26K]

Answer: $134\frac{3}{8}ft^2$

Step-by-step explanation:

This is a rectangle, multiply the sides to find the area.

$A=l*w\\A=(10 \frac{3}{4}ft)(12\frac{1}{2}ft)\\$

To make it easier to multiply, convert to improper fractions.

$A=(\frac{43}{4}ft)(\frac{25}{2}ft)$

Multiply

$A=\frac{43*25}{4*2}ft^2\\A=\frac{1075}{8}ft^2\\$

Convert to mixed number.

1075/8=134

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$134\frac{3}{8}ft^2$

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4 years ago