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3 years ago

I NEED HELP FAST PLEASE PLEAS PLSEEEEEE

Mathematics

1 answer:

Musya8 [376]3 years ago

7 0

Answer: AAA

Step-by-step explanation:

Angle-angle-angle

Because all angles are equal

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Mike is 8 times older than Evan who is 4. How old is Mike?

AVprozaik [17]

Answer: D) 32

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3 years ago

kenny made pillows to sell at the fair. He paid $175.96 for supplies. He charged $8.75 for each pillow sold. Kenny sold 27 pillo

Alex777 [14]

Answer:

$236.25

Step-by-step explanation:

MULTIPLY $8.75 AND 27

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3 years ago

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There are 4 king in standard deck of 52 cards l.Id a card was chosen at random what is the probability of selecting a card that

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The answer is 12/13 in fraction form or 92% as a percent

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A chemical company makes two brands of antifreeze. The first brand is 65% pure antifreeze, and the second brand is 90% pure anti

Brums [2.3K]

$\bf \begin{array}{lcccl} &\stackrel{solution}{gallons}&\stackrel{\textit{\% of }}{antifreeze}&\stackrel{\textit{gallons of }}{antifreeze}\\ \cline{2-4}&\\ \textit{1st brand}&x&0.65&0.65x\\ \textit{2nd brand}&y&0.90&0.9y\\ \cline{2-4}&\\ mixture&40&0.8&32 \end{array}~\hfill \to \begin{cases} x+y&=40\\ \boxed{x}=40-y\\ \cline{1-2} 0.65x+0.9y&=32 \end{cases} \\\\[-0.35em] ~\dotfill$

$\bf \stackrel{\textit{substituting in the 2nd equation}}{0.65\left( \boxed{40-y} \right)+0.9y=32}\implies 26-0.65y+0.9y=32 \\\\\\ 26+0.25y=32\implies 0.25y=6\implies y=\cfrac{6}{0.25}\implies \blacktriangleright y=24 \blacktriangleleft \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{since we know that}}{x=40-y\implies }x=40-24\implies \blacktriangleright x=16 \blacktriangleleft$

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3 years ago

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IPS Math Grade 7 Final SY20-21 1 5 of 13

miv72 [106K]

Answer:

Actual distance between two city = 40 miles

Step-by-step explanation:

Given sample size;

1 inch = 10 miles

Distance between two city = 4 inch

Find:

Actual distance between two city

Computation:

Actual distance between two city = Sample size of 1 inch in miles x Distance between two city

Actual distance between two city = 4 x 10

Actual distance between two city = 40 miles

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3 years ago