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3 years ago

8

HELP MATH GRAPHS AND RULE SOMETHING LIKE THAT

1 answer:

Bess [88]3 years ago

4 0

I dont know math well but try to look it up

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2.3+0.02(x+20)-4.8=-9<br><br> Solve for x

Naya [18.7K]

Answer:

$x=-345$

Step-by-step explanation:

$2.3+0.02\left(x+20\right)-4.8=-9$

$\mathrm{Multiply\:both\:sides\:by\:}100$

$2.3\cdot \:100+0.02\left(x+20\right)\cdot \:100-4.8\cdot \:100=-9\cdot \:100$

$230+2\left(x+20\right)-480=-900$

$\mathrm{Subtract\:}230-480\mathrm{\:from\:both\:sides}$

$230+2\left(x+20\right)-480-\left(230-480\right)=-900-\left(230-480\right)$

$2\left(x+20\right)=-650$

$\mathrm{Divide\:both\:sides\:by\:}2$

$\frac{2\left(x+20\right)}{2}=\frac{-650}{2}$

$x+20=-325$

$\mathrm{Subtract\:}20\mathrm{\:from\:both\:sides}$

$x+20-20=-325-20$

$\bold{x=-345}$

5 0

3 years ago

Could someone please help me with the surface area of this prism

Anettt [7]

Answer:

it is in the picture above

Step-by-step explanation:

please give branliest if you want

3 0

3 years ago

What is the distance between these points C(-4,1) and D(1,1)

Maslowich

Answer:

5

Step-by-step explanation:

Use the distance formula

d= $\sqrt{(1+4)^{2}+(1-1)^{2} }$

$d=\sqrt{5^{2}+0^{2} }$

$d=\sqrt{25+0} \\d=\sqrt{25} \\d=5$

Hope this helps!

8 0

4 years ago

A bucket full of milk is 80cl,how many litres are in 15 of such

PIT_PIT [208]

Answer:

1.2 liters

Step-by-step explanation:

1 bucket has a volume of 80 cL.

15 buckets have a volume of 15 * 80 cL = 120 cL

1 L = 100 cL

120 cL * (1 L)/(100 cL) = 1.2 L

5 0

3 years ago

Which expression is the factored form of −1.5w+7.5 ?

prohojiy [21]

Answer:

c.

Step-by-step explanation:

the most that can be factored out is -1.5,

-1.5 * w = -1.5w

-1.5 * -5 = 7.5

-1.5w + 7.5, so it's

-1.5(w-5)

8 0

3 years ago