2 years ago

काद

Mathematics

1 answer:

inna [77]2 years ago

5 0

Answer:huh?

Step-by-step explanation:

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algol13

Step-by-step explanation:

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2 years ago

My grade is a 77%, if i get a 0% on a paper worth 30% of my grade, what will my grade be now??

blsea [12.9K]

$Grade=Paper+Other$
$Grade=(Grade_{paper}\times Value_{paper})+(Grade_{other}\times Value_{other})$
$Grade=(0 \times 30\%)+(77\% \times (1-30\%))$
$Grade=(0 \times 30\%)+(77\% \times 70\%)$
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$Grade=53.9\%$

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3 years ago

Decide wheather the Change is an increase or decrease and find the percent change original number =45 new number =18

oee [108]

Answer:

40% decrease

Step-by-step explanation:

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2 years ago

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Andrews [41]

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2 years ago

What is the length of the unknown leg

likoan [24]

Answer:

6 mm

Step-by-step explanation:

Use the Pythagorean Theorem to solve for the unknown leg

$a^{2} +b^{2}=c^{2}$

Since we need to solve for a, we will manipulate the equation in terms of b and c → $a=\sqrt{c^{2}-b^{2} }$

Here, b = 7 mm and c = $\sqrt{85}$ mm

Plugging these numbers into our equation gives us $a=\sqrt{(\sqrt{85})^{2} -(7)^{2} }$ → $\sqrt{85-49}$ = $\sqrt{36}$ = 6 mm

6 0

2 years ago