3 years ago

670000000 in scientific notion

Mathematics

2 answers:

Salsk061 [2.6K]3 years ago

7 0

Answer:

6.7x10^8 is the answer

LenKa [72]3 years ago

4 0

6.7 10 squared positive 8

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3x + 15 *

Temka [501]

3x+15= 5x
8y-72= 9y
9a+18= 2a
3b-27= 9b
5c+40= 8c
6c+18= 3c
8c-8= c/1c
5x-10= 2x
2b-16= 8b
7c-35= 5c

7 0

3 years ago

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A family purchased tickets for a concert. They paid a total of $90 for 7 adult tickets and 12 child tickets. The price of a chil

andre [41]

A is aldult tickets
b is child tickets

b = 2/3 a

7a + 12b = 90
7a + 12 x 2/3 a = 90
7a + 8a = 90
15a = 90
a = 6; b = 4

4 0

3 years ago

Do any of you know how to do this

Gre4nikov [31]

Answer:

$(x + 5)$

Step-by-step explanation:

${x}^{2} + 8x + 15 \\ {x}^{2} + 3x + 5x + 15 \\ x(x + 3)5(x + 3) \\ (x + 3)(x + 5) \\ length \: = \frac{(x + 3)(x + 5)}{(x + 3)} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = (x + 5)$

5 0

2 years ago

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What is 2x+7=-8x-9+10 solved

ss7ja [257]

2x+7=-8x-9+10

2x+7=-8x+1

2x+6=-8x

6=-10x

-6/10=x

-3/5=x

6 0

3 years ago

An exam will consist of True-False questions worth 3 points each and short essay questions worth 11 points each. Write an expres

podryga [215]

Answer:

T3+E11

Step-by-step explanation:

I put this on a test and im sorry if im wrong lol.

HOPE I HELPED.

if i did maybe i can get brainlist. :)

7 0

2 years ago

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