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Misha Larkins [42]
4 years ago
12

Simplify: (3x^2-5x +9)+(7x^2+8x-5

Mathematics
2 answers:
Ber [7]4 years ago
6 0

Answer:

=10x2+3x+4

Step-by-step explanation:

I hope this helps you

gogolik [260]4 years ago
6 0

Answer:

10x^2+3x+4 should be the correct answer

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Micah and Crystal purchase two movie tickets. Tickets costs $8.50 each, drinks cost $3.50 each, and boxes of candy cost $3.00 ea
AysviL [449]
2t+2d+2c=30

2(8.50)+2(3.50)+2(3.00)=$30

t representing tickets d representing drinks c representing candy

the answer really depends on how much of each item they buy

if they bought more than 2 of each just change the 2 to the number of items bought
8 0
4 years ago
AGain, I need help, hehe. I'm awful at maths.
zalisa [80]

Answer:

(-3,8)

Step-by-step explanation:

Solved by graphing.

4 0
4 years ago
PLEASE HELP WITH NUMBERS 11-20 due tomorrow please help
soldi70 [24.7K]
11.-53000 12.-.000992 13.-.041
3 0
4 years ago
Read 2 more answers
How to solve 3&2/3+8+1&1/3
patriot [66]

3 \frac{2}{3}  + 8 + 1 \frac{1}{3}
First, add the fractions because they already have a common denominator.

(3 \frac{2}{3}  + 1 \frac{1}{3} ) + 8
3 plus 1 equals 4. The fractions make 3/3 which equals 1. 4 plus 1 equals 5.
5 + 8
Your answer is 13.

Hope this helps!

:)
3 0
3 years ago
Write the number in standard form 7.5 × 10^9
frutty [35]

7.5 x 10⁹

For standard form, move the decimal 9 places. Since the 9 is positive, move it to the right. (If it was negative 9, you would move it to the left)

Answer: 7,500,000,000

4 0
3 years ago
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