1 year ago

HELP PLS ANSWER IT FR FR

Mathematics

2 answers:

TiliK225 [7]1 year ago

7 0

Answer:

Chart A

Step-by-step explanation:

Sav [38]1 year ago

4 0

Answer:

Step-by-step explanation:

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A pickup truck that can hold up to 3000 pounds is carrying a big machine that is 300 pounds and a few smaller ones that each wei

djyliett [7]

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no more than 45

Step-by-step explanation:

3k-300 leaves u with 2700/60 and you get 45

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2 years ago

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Elena uses 12 red beads to make 4 bracelets how many red beads will Elena need to make 12 bracelets

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u need 12 to make 4 bracelets

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2 years ago

WHat is the unit rate in terms of people per square mile when there are 646,449 people in 68.3 square miles?

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2 years ago

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BaLLatris [955]

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2 years ago

What should be done to x^2 + 15x in order to create a perfect square?

lana [24]

$\bf \qquad \textit{perfect square trinomial} \\\\ (a\pm b)^2\implies a^2\pm \stackrel{\stackrel{\text{\small 2}\cdot \sqrt{\textit{\small a}^2}\cdot \sqrt{\textit{\small b}^2}}{\downarrow }}{2ab} + b^2 \\\\[-0.35em] ~\dotfill$

$\bf x^2+15x+\boxed{?}^2\implies \stackrel{\textit{we know the middle term is}}{2\sqrt{x^2}\cdot \sqrt{\boxed{?}^2}\implies 2x\boxed{?}}\qquad then\qquad 2x\boxed{?}=15x \\\\\\ \boxed{?}=\cfrac{15x}{2x}\implies \boxed{?}=\cfrac{15}{2}\qquad \impliedby \textit{we should add that much \underline{squared}} \\\\[-0.35em] ~\dotfill\\\\ x^2+15x+\left( \cfrac{15}{2} \right)^2\implies \left(x+ \cfrac{15}{2} \right)^2$

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2 years ago