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xeze [42]
3 years ago
15

9(2x + 10) = 2(9x+ 45)

Mathematics
2 answers:
KATRIN_1 [288]3 years ago
7 0

Answer:

infinite solutions

Step-by-step explanation:

9(2x + 10) = 2(9x+ 45)

Distribute

18x+90 = 18x +90

Subtract 18x from each side

18x-18x+90 = 18x-18x+90

90=90

Since this is always true, the equation has infinite solutions.

X can be any number

Delicious77 [7]3 years ago
4 0

Answer:

infinitely many solutions

Step-by-step explanation:

1) distribute 9 to each term inside parenthesis on left side of equation

18x+90=2(9x+45)

2)now distribute 2

18x+90=18x+90

these equations are exactly the same! this means that this equation has infinitely many solutions

Hope this helps!

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Need help with this i don't understand
Oksana_A [137]

Answer:

  1. 7
  2. see below
  3. 5
  4. the rule is not one-to-one

Step-by-step explanation:

Applying the squaring rule to each of the elements of the domain, we get ...

  \begin{array}{cc}\text{Domain}&\text{Range}\\1&1\\-3&9\\-\frac{1}{2}&\frac{1}{4}\\3&9\\2&4\\\frac{1}{4}&\frac{1}{16}\\0.5&\frac{1}{4}\end{array}

__

1. There are 7 different numbers in the Domain list.

2. See above

3. There are 5 different numbers in the Range list.

4. The rule "square me" is not "one-to-one" Two different values in the domain can result in the same value in the range. -3 and 3 both result in 9. -1/2 and 0.5 both result in 1/4.

5 0
2 years ago
What happens because a bat applies a force on a ball?​
Tatiana [17]

Answer:

B

Step-by-step explanation:

Newton's 3rd law states that for every action, there is an equal and opposite reaction.

Yeah, I haven't got my head around it either, but it exists. Hope that helps and good luck with homework :)

3 0
3 years ago
Draw hundred boxes, ten sticks, and circles to show a number between 100 and 200. What number did you show?
dolphi86 [110]
One hundred box, two sticks, and three circles.. to spell out 123! (I think)
7 0
3 years ago
Y=-8x-4 for what value of x is y equal too -16
boyakko [2]

Answer: X=1.5

Step-by-step explanation:

The equation when y is -16

-16=-8x-4

-12=-8x

12/8 is 1.5

8 0
3 years ago
Based on What you learned about economics of organic produce, explain why buying organic food is so expensive
Elis [28]

Answer:(:

Step-by-step explanation:

Organic food production is usually more labour and management intensive and happens on a smaller scale ie on smaller farms which lack the benefit of economy of scale.

6 0
3 years ago
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