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3 years ago

Describe and correct the error in telling whether the two figures are congruent?

Mathematics

2 answers:

Aleks04 [339]3 years ago

4 0

2 figures are congruent if at least 2 sides are the same length, there angles are the same, etc

romanna [79]3 years ago

3 0

When figures are CONGRUENT, they have the SAME SIZE, SIDE LENGTHS OR WIDTH, And ANGLES

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A rectangle is 3 feet longer than it is wide . if the perimeter is 30 feet , find the area in square feet .

noname [10]

Answer:

Hey

Step-by-step explanation:

I beleve you answer is 10 because 3 time 10 equals 30 and the question sais "3 times longer"

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3 years ago

140 fluid ounces increased by 45%

Radda [10]

$100\%\ increased\ by\ 45\%=100\%+45\%=145\%\\\\method\ \#1\\\\p\%=\frac{p}{100}\to145\%=\frac{145}{100}=\frac{145:5}{100:5}=\frac{29}{20}\\\\145\%\ of\ 140=\frac{29}{20}\cdot140=29\cdot7=\boxed{203\ (ounces)}\leftarrow answer$

$method\ \#2\\\\\begin{array}{ccc}140&-&100\%\\x&-&145\%\end{array}\ \ \ cross\ multiply\\\\\\100\cdot x=140\cdot145\ \ \ \ |divide\ both\ sides\ by\ 100\\\\x=\frac{140\cdot145}{100}\\\\\boxed{x=203\ (ounces)}$

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3 years ago

An equation to find the length in centimeters if the width is 10 cm

Setler79 [48]

10cm X 100 = 1000 is the answer mate

4 0

2 years ago

Edgar has birdbath that holds 2 gallons of water How many 1 pint containers does it take to fill birdbath? EXPLAIN

RSB [31]

Answer:

Step-by-step explanation:

1 gallon is equal to 8 pints.

2 gallons is equal to 16 pints.

6 0

3 years ago

Solve the equation for y <br> 3x+1/5y=7

Andreyy89

Answer:

x = 35 - y / 15

Step-by-step explanation:

3x + 1/5y = 7

3x + 1/5y - 1/5y = 7 - 1/5y

3x = 7 - 1/5y

3x/3 = 7/3 - 1/5y / 3

x = 35 - y / 15

7 0

2 years ago

Read 2 more answers