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3 years ago

I suck at math, any apps or free websites anyone recommends?

Mathematics

1 answer:

Law Incorporation [45]3 years ago

4 0

Answer:

It depends. What kind of math do you do? I do Eureka math so I have a few websites but I don’t know about you

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There are 8 girls and 5 boys on the math team. Which ratio correctly describes the relationship between boys and girls on the ma

klio [65]

5:8 Hope this helps!!

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3 years ago

Reil [10]

<u>Answer:</u>

x = 5.00 cm

<u>Step-by-step explanation:</u>

• area of the rectangle = $x$ x $(x + 1)$

= $x^2 + x$

• area of the circle = π r²

= $\frac{22}{7}$ x $(x + 2)^2$

= $\frac{22}{7}$ x $(x^2 + 4x + 4)$

∴ $x^2 + x$ + $\frac{22}{7}$ x $(x^2 + 4x + 4) = 184$

⇒ $x^2 + x$ + $\frac{22}{7} x^2 \space\ + \space\ \frac{88}{7} x \space\ + \space\ \frac{88}{7} = 184$

⇒ $\frac{29}{7}x^2 \space\ + \space\ \frac{95}{7}x \space\ - \frac{1200}{7} = 0$

• Using quadratic formula, where

a = $\frac{29}{7}$

b = $\frac{95}{7}$

c = $\frac{-1200}{7}$ ,

$x=\frac{-b \pm \sqrt{b^2-4c}}{2}$

$x = \frac{-\frac{95}{7}\pm \sqrt{(\frac{95}{7})^2 - 4(\frac{29}{7})(\frac{-1200}{7} ) } }{2(\frac{29}{7})}$

$x = 5.00 \space\ \space\ \space\ or \space\ \space\ \space\ x = -8.28$

As length (x) cannot be a negative number,

x = 5.00 cm

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3 years ago

In right triangle ABC shown below, what is the length of BC?

valkas [14]

I’m pretty sure it’s 6

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3 years ago

PLS HELP ASAP GIVING BRAINLIEST!

USPshnik [31]

Answer: we need you to show us the graph in order to help you.

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I need help will mark you the brainliest

guapka [62]

Answer:

i thinnk A

Step-by-step explanation:

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