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frosja888 [35]
3 years ago
6

On average, a human hair grows about 1.3 centimetres per month. At this rate, how long would a hair grow if it went uncut for tw

o years?
Mathematics
2 answers:
Anton [14]3 years ago
6 0

Answer:

31.2 cm

Step-by-step explanation:

1.3 time 24

goldenfox [79]3 years ago
4 0

Answer:

31.2 centimetres.

Step-by-step explanation:

1.3 * 12(months) = 15.6

15.6 * 2(an extra 12 months) = 31.2

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Ples help will mark brainliest if 2 answers.
BabaBlast [244]

Answer:

see below

Step-by-step explanation:

Choose a couple of values for x. Figure out the corresponding values for y. Plot those points and draw a line through them.

Let's choose x=0 and x=4. Then the corresponding y-values are ...

y = 2·0 = 0 . . . . . point (x, y) = (0, 0)

y = 2·4 = 8 . . . . . point (x, y) = (4, 8)

These are graphed below.

7 0
3 years ago
Ivana works at a department store selling perfume and makeup. She earns $375 per week and 4% commission on her sales. If Ivana's
Aleks04 [339]

Answer:

<h2>$1380.2</h2>

Step-by-step explanation:

Step one:

given data

weekly earnings= $375

Commission is 4% of sales.= 0.4

supposing sale is x, and the total earning is y

the expression for the total earning will be

y=375+0.4x

Step two:

for x= 2513, y will be

y=375+0.4(2513)

y=375+1005.2

y=1380.2

<em><u>Hence  her total earnings for the week will be $1380.2</u></em>

3 0
3 years ago
8.652<br> 10)<br> 1.2<br> Help please
icang [17]

Answer:

1.921

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
1. Slove the system of equations, first by graphing, and then algebraically. (8 points) y=x-2 and y=-2x+7
Anton [14]

The solution of the equation is x=3 and y=1

Explanation:

The equations are y=x-2 and y=-2 x+7

First we shall solve the equation graphically.

The image of the graph is attached below.

This contains the solution to the system of equations.

The equations y=x-2 and y=-2 x+7 are plotted on the graph.

The intersection of these two equations are the solutions of the system of equations.

Thus, the intersection of the two equations are x=3 and y=1

Now, we shall solve the equation algebraically.

Let us solve the equation using substitution method.

Let us substitute y=x-2 in y=-2 x+7, we get,

x-2=-2x+7

Adding both sides by 2x, we have,

3x-2=7

Adding both sides by 2, we get,

3x=9

Dividing both sides by 3,

x=3

Thus, the value of x is 3.

Substituting x=3 in y=x-2, we get,

y=3-2\\y=1

Thus, the value of y is 1.

Hence, The solution of the equation is x=3 and y=1

4 0
3 years ago
One study found that the number of interest groups increased by what percentage between 1959 and 1995?
FrozenT [24]

Answer:

Percentage change in interest groups between 1959 (500) & 1995 (600) = 20%

Step-by-step explanation:

Percentage change = <u>Change ie (New - Old)  </u>  x 100

                                        Old value

Suppose -

Number of interest groups in 1959 = 500

Number of interest groups in 1995 = 600

Percentage change = [ (600 - 500) / 500 ] x 100

( 100 / 500 ) x 100 = 20%

6 0
3 years ago
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