2 years ago

Plz help me I will give you 40 points and Brainly

Mathematics

1 answer:

Sliva [168]2 years ago

6 0

I’m not 100% but I think it could be the last table

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12ax^{2} -15ab-16a+20b[/tex]

irina1246 [14]

Answer:

12 a x^ 2 -15 a b-16 a

5 0

3 years ago

Solve S=2πrh+πr2 for h

kirill115 [55]

$S= \pi rh+ \pi r^2\ \ \ \ | subtract\ \pi r^2\\\\
s-\pi r^2= \pi rh\ \ \ \ | divide\ by\ \pi r \\\\
\frac{s-\pi r^2}{ \pi r}=h$

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3 years ago

Decide if the expression is positive or negative. Explain in words how you know, please.

AysviL [449]

Step-by-step explanation:

The first expression is :

$-11\times \dfrac{2}{3}$

Numerator = -11×2 = -22

Denominator = 3

So, answer will be :

$-11\times \dfrac{2}{3}=\dfrac{-22}{3}$ (negative)

The second expression is:

$-11\times \dfrac{-2}{3}$

Numerator = -11×-2 = 22

Denominator = 3

So, the answer will be :

$-11\times \dfrac{-2}{3}=\dfrac{22}{3}$ (positive)

Hence, this is the required solution.

7 0

2 years ago

A number increased by 100% and decreased by 20% is x. what is the number ? NEEDED TODAY

vodka [1.7K]

Answer:

Let's assume the number be 100.

According to the problem , 100 is increased by 100%.

So, new number will be 100+100=200

Now 200 will decreased by 20%.

So, 20% of 200= 0.20*200= 40.

So, again the number has been changed into 200+40=240.

So, x=240

Step-by-step explanation:

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3 years ago

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Ingrid walked her dog and washed her car. The time she spent walking her dog was one-fourth the time it took her to wash her car

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1/4 of 14 is 7/2 which is 3 1/2 which is 3.5

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3 years ago

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