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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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6 times the sum of y and 11
Gelneren [198K]

Answer:

6y+66

Step-by-step explanation:

write the problem out, placing 6 on its own, and the sum of y and 11 inside a pair of parentheses after the 6.

6(y+11)

then, just use the distributive property and multiply each term inside the coefficients by six. you'll get 6y+66 as your final answer.

if your teacher says that the final answer is not supposed to have variables in it, then we'll need a bit more information.

4 0
3 years ago
Greg spends $0.45 on eraser and $0.30 0n a pen.how much money does greg spend
Digiron [165]

Answer:

$0.75

Step-by-step explanation:

Greg spends $0.45 on a eraser and $0.30 on a pen. How much money does Greg spend?

Well first you find the key words, (How much) which means you will be using addition in this problem. The numbers you will be adding are $0.75 and $0.30 which equals, $0.75


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3 years ago
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3 years ago
What is the next term in the sequence if the first four are as follows.
max2010maxim [7]
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3 years ago
A jeweler orders necklaces from a website that offers $6 shipping for any-size order. Each necklace costs $7. The jeweler wants
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Answer:

c = $7n + $6

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$6 shipping for any size

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