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Dennis_Churaev [7]
3 years ago
9

Express the following in standard form​

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0

Answer:

1. 24200

2. 0.0156

3. 0.00009092

Step-by-step explanation:

positive you move the decimal back wards and add the amount of zeros needed.

negative you move the decimal forwards and add zeros.

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A student usually saves $20 a month. He would like to reach a goal of saving $350 in 12 months. The student writes the equation
elena-14-01-66 [18.8K]

Answer:

Step-by-step explanation:

350=12(x+20)

(divide both sides by 12)

29.1667=x+20

(subtract 20 from both sides)

x=9.16667

X (9.17) is the additional amount of money the student must save each month in order to reach his goal.

3 0
3 years ago
One solution of x^2 - 64 = 0 is 8. what is the other solution​
wel

Answer:

- 8

Step-by-step explanation:

Given

x² - 64 = 0 ( add 64 to both sides )

x² = 64 ( take the square root of both sides )

x = ± \sqrt{64} = ± 8

Solutions are x = 8 and x = - 8

6 0
2 years ago
What statement makes the open sentence 12 + 3x = 30 true?MUTIPLE CHOICE QUESTION WILL MARK BRAINLIEST
Setler79 [48]

Answer:

x= 6

Step-by-step explanation:

12+3x=30

3x+12=30

3x+12-12=30-12

3x=30-12

3x=18

3x divided by 3 = 18 divided by 3

x=18 over 3

18 divided by 3 is 6

x=6

5 0
3 years ago
Read 2 more answers
Giving out 16 points if you can help me :))
Paraphin [41]

Answer:

g(x)=-6x+5

Step-by-step explanation:

3 0
3 years ago
The product of two consecutive even positive integers is 674 more than the sum of the two integers. Find the integers.
IrinaVladis [17]
2n(2n+2)=2n+2n+2+674\\
4n^2+4n=4n+676\\
4n^2=676\\
n^2=169\\
n=-13 \vee n=13
-13\not\ \textgreater \ 0

n=13\\
2n=26\\
2n+2=28

It's 26 and 28.
7 0
3 years ago
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