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mario62 [17]
3 years ago
15

There is a few questions but im stuck on this one. please help

Mathematics
1 answer:
maw [93]3 years ago
3 0

Answer:

Calculating percentages are important as they apply to real life activities. For example, shopping. If you are on a budget and you want to know how much your total is with tax, you can convert the decimal for the tax, turn it into a percent and add it to your total. Another example is eating at a restaurant. A good tip is 15-20% so you can calculate this and add it to your price.

Step-by-step explanation:

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(2m² + 6m) + (m² – 5m +7) <br>а. Зm² + m <br>b. Зm² - m +7 <br>с. m² + 11m - 7 <br>d. 3m² + m +7​
grigory [225]
The answer is D. 3m^2 + m + 7 !!
4 0
3 years ago
Read 2 more answers
How do I solve?<br><br> -2x2y3 · 14x2y3
Sever21 [200]
(-2x2y3)(14x2y3) = -28x^4y^6
7 0
3 years ago
Solve:<br> 7/8 - (-1/8)<br> A. -1<br> B. -1/8<br> C. 1/8<br> D.1
kupik [55]
D, because two negative signs next to each other means to add so its pretty much 7/8+1/8 which equals 8/8 which also equals 1
7 0
3 years ago
Read 2 more answers
Please help me I have to turn in by 8:00
Diano4ka-milaya [45]

Answer:

A 2

Step-by-step explanation:

When we divide x by 9 there is some whole number we will call y plus a remainder of 4

x/9 = y  remainder 4

Writing this in fraction form

x/9 = y + 4/9

Multiplying each side by 9

9*x/9 = 9* y + 4/9 *9

x = 9y +4

Multiply each side by 2

2x = 2*(9y+4)

2x = 18y +8

Add 3 to each side

2x+3 = 18y +8+3

2x+3 = 18y +11

Divide each side by 9

(2x+3)/9 = 18y/9 +11/9

              = 2y + 9/9 +2/9

               =(2y+1 + 2/9)

  We know y is a whole number and 1 is a whole number so we can ignore 2y +1 when looking for a remainder)

2/9 is a fraction

Taking this back from fraction form to remainder from

                 (2y+1) remainder 2

7 0
3 years ago
Pls help me I will give brainlyiest
storchak [24]

Answer:

57.72 in^2

Step-by-step explanation:

Question 1. Shapes are triangle, semi-circle, and rectangle.

Question 2.Find area of rectangle first. Then area of triangle and circle. Subtract area of triangle and circle. Then add the difference with the rectangles area.

Question 3.

Rectangle's area:<u>48 in^2</u>

Triangles area:8*4/2=  <u>16 in^2</u>

Circle Area: pi*r^2/2(since its a semi-circle)

3.14*2^2=3.14*4=12.56/2=<u>6.28 in^2</u>

Question 4.

16-6.28=9.72

9.72+48=57.72 in^2

5 0
2 years ago
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