2 years ago

What is the estimated sum of 69,129,139,97

Mathematics

2 answers:

katen-ka-za [31]2 years ago

7 0

The estimated sum is 440
70+130+140+100

trasher [3.6K]2 years ago

3 0

Answer:

440

Step-by-step explanation:

70 + 130 + 140 + 100 = 440

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Brianna went to the store to buy some clothes. She bought 9 pairs of pants at $20 per pair of pants, and 11 shirts that cost $15

stealth61 [152]

Answer:

$345 : whichever is closest

Step-by-step explanation:

Pants were $20 each and she bought 9 of them so multiply:

9x20=180

She paid $180 for 9 pants.

Shirts cost $15 each and she bought 11 of them so Mulitply:

15x11=165

She paid $165 for 11 shirts

Add both totals from pants and shirts

165+180=$345

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Find the length of MP. round to the nearest hundredth.

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Answer:

Step-by-step explanation:

Use sine:

$sine=\dfrac{opposite}{hypotenuse}$

We have:

$opposite=MP\\hypotenuse=8.7\ cm\\\alpha=20^o\\\\\sin20^o\approx0.342$

Substitute:

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$\dfrac{MP}{8.7}=\dfrac{342}{1,000}$ <em>cross multiply</em>

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$MP=2.9754\to MP\approx2.98$

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