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olasank [31]
3 years ago
14

Add, subtract, multiply, or divide. Can someone help me please.​

Mathematics
2 answers:
777dan777 [17]3 years ago
5 0
Number 7 is subtract
Varvara68 [4.7K]3 years ago
4 0

<u><em>7</em></u>:  8+(-4)=-2

<u><em>8</em></u>:  -7+2=-5

<u><em>9</em></u>:  -11-7=-18

<u><em>10</em></u>:  12÷(-6)=-2

<u><em>11</em></u>:   -9×(-3)=27

<em><u>12</u></em>:  4-(-3)=7

<em><u>13</u></em>:  -45÷9=-5

<u><em>14</em></u>:   6×(-3)=-18

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Please can someone help me answer this?
Nataly_w [17]

Answer:

452.39 is the answer

Step-by-step explanation: Use the formula for the area of a sphere: 4 pi r^2, where R is the radius. R=6. Area=4 pi (6)^2=452.39=452.4 to the nearest tenth.

5 0
3 years ago
Read 2 more answers
What's the square root of -45?<br><br> a) -9√5<br><br> b) 9i√5<br><br> c) -3√5<br><br> d) 3i√5
Verdich [7]

Answer:

c

Step-by-step explanation:

3 0
3 years ago
Eric’s average income for the first 4 months of the year is $1,450.25, what must be his
drek231 [11]

Answer:

Average income of Eric for the remaining 8 months = \$1946

Step-by-step explanation:

Given: Average income of Eric for the first 4 months of the year is equal to  $1,450.25

To find: average income for the remaining 8 months so that his average income for the year is  $1,780.75

Solution:

Average income = Total income for the year/Total number of months

Average income of Eric for the first 4 months = $1,450.25

So,

Total income of Eric for the first 4 months = 1,450.25 × 4 = 5801

Let x denotes total income of Eric for the remaining 8 months

Total income for the year = 5801 + x

Therefore,

Average income for the year = \frac{5801+x}{12}

Also, average income for the year is  $1,780.75

1780.75=\frac{5801+x}{12}\\1780.75\times 12=5801+x\\21369=5801+x\\21369-5801=x\\15568=x

Total income of Eric for the remaining 8 months = $15568

Average income of Eric for the remaining 8 months = \frac{15568}{8}=\$1946

7 0
3 years ago
Which relation is a function?]<br> NO LINKS
GrogVix [38]

Answer:

first one

Step-by-step explanation:

use the vertical line test, and the first one is a quadratic function

6 0
3 years ago
Read 2 more answers
How many ways can 54,625 be written in expanded form
forsale [732]
In the number 54, 625 from left to right:

5 represents 5,
2 represents 20
6 represents 600
4 represents 4000
5 represents 50,000


so 
<span>
54,625=50,000+4,000+600+20+5=5*10,000+4*1000+6*100+2*10+5


another way we can write this number is </span>5.10^4+4.10^3+6.10^2+2.10+5


Answer:
i) 5*10,000+4*1000+6*100+2*10+5
ii) 5.10^4+4.10^3+6.10^2+2.10+5

2 ways, which are essentially the same thing.
7 0
4 years ago
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