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maksim [4K]
2 years ago
9

Expand. 4(5x + 3) 4(5x + 3)

Mathematics
2 answers:
KatRina [158]2 years ago
6 0

Wwwwwwww

Hope this helps

Effectus [21]2 years ago
4 0
400x to the power of 2 + 480x + 144
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H(x)=-2x-10 <br> H(8)<br> Find x if h(x)=14
worty [1.4K]

Part 1

Plug in x = 8 and simplify

h(x) = -2x-10

h(8) = -2(8)-10

h(8) = -16-10

<h3>h(8) = -26</h3>

================================

Part 2

Replace h(x) with 14. Follow PEMDAS in reverse to solve for x.

h(x) = -2x-10

14 = -2x-10

14+10 = -2x

24 = -2x

24/(-2) = x

-12 = x

<h3>x = -12</h3>

If x = -12, then h(x) = 14

In other words, h(-12) = 14

------

Check:

h(x) = -2x-10

h(-12) = -2(-12)-20

h(-12) = 24-20

h(-12) = 14

5 0
3 years ago
What dose $2.75+2.50+2.50+2.50+2.50+1.75+1.75-1.75 equal
Gelneren [198K]
The answer is 16.25 adding all of those up
6 0
3 years ago
Read 2 more answers
A box contains 5 plain pencils and 7 pens. A second box contains 5 color pencils and 5 crayons. One item from each box is chosen
juin [17]

Answer:

5/12 first pack

5/10 second pack

8 0
3 years ago
the radius of a circle is 5 meter what is the area,in square meter,of circle? Round to the nearest tenth
Slav-nsk [51]

Answer:

78.54 rounded to the tenths it is 78.5

Step-by-step explanation:

I did the math. And I did my work like this

5*5=25

25*pi=78.5398163

Rounded to hundredths 78.54

Rounded to tenths 78.5 Hope this helps, let me know if correct, and have a great day!!

6 0
2 years ago
Read 2 more answers
Suppose the man in the St. Ives poem has x wives, each wife has x sacks, each sack has x cats, and each cat has x kits. Write an
marishachu [46]

Answer: x+x^2+x^3+x^4

Step-by-step explanation:

As per given,

Number of wives = x

Number of sacks = x (\text{Number of wives} )= x\times x = x^2

Number of cats = x(\text{Number of sack})= x \times x^2=x^3

Number of kits = x(\text{Number of cats} )=x\times x^3=x^4

Now , the total number of kits, cats, sacks, and wives going to St. Ives = x+x^2+x^3+x^4

Hence, the required ex[pression:  x+x^2+x^3+x^4

5 0
3 years ago
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