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3 years ago

8

Mrs. Torres’s class has 28 students. The class includes 12 boys. What is the

2 answers:

diamong [38]3 years ago

7 0

Answer:

4:3

Step-by-step explanation:

Because there are 12 boys out of the 28 students in the class, there would have to be 16 girls in the class. This information would make the ratio 16:12. Although that is not the lowest you can go, so you would divide both numbers by the same value, to get both as low as possible, in this case, you would divide both by 4. Now your ratio is 4:3, which can also be said as, for every 4 girls in the class, there are 3 boys.

Maslowich3 years ago

6 0

Answer:

16:12 or 4:3

Step-by-step explanation:

Girls + boys = 28

Girls + 12 = 28

Girls = 16

Girls to boys:

16:12

16/12

4:3

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Triangle ABC has vertices A (1,1), B (3,2) and C (0,-2), It is dilated by a scale factor of 1/2 about the origin to create trian

Ghella [55]

Answer:

The length is 2.5 units

Step-by-step explanation:

Before we find the value of the length of the side, we need the measure of the coordinates after dilation

B’ = 1/2 B = 1/2(3,2) = (1.5, 1)

C’ = 1/2 C = 1/2( 0,-2) = (0,-1)

The measure of the length is the distance between the two points

Mathematically, that would be;

D = √(x2-x1)^2 + (y2-y1)^2

D = √(0-1.5)^2 + (-1-1)^2

D = √(2.25 + 4)

D = √6.25

D = 2.5 units

8 0

3 years ago

A student gets paid to deliver newspapers after school. She earns 25$ a day, plus an extra $0.75 for each newspaper she delivers

disa [49]

Earnings = 25d + 0.75n + 5c

6 0

3 years ago

09.04 Continuity at a point<br><br> Find the indicated limit, if it exists. (2 points)

LenKa [72]

Answer:

6

Step-by-step explanation:

limit is defined when the limit from both side are defined and equal to f

$x-> -10^-$ , limit f(x)=-4-(-10)=6

f(-10)=6

$x-> -10^+$ , limit f(x)=(-10)+16=6

Then

$x->-10$ , limit f(x)=6

6 0

3 years ago

Can someone also explain how to get the answer thank u

goblinko [34]

Answer:

$m = -\frac{194}{3}$

Step-by-step explanation:

I'm assuming you are trying to find m. In order to do so, you need to get m on one side.

Before doing that let's multiple -2 and -3m by $\frac{4}{3}$

$256=-\frac{8}{3} - 4m$

add $-\frac{8}{3}$ to both sides

$258\frac{2}{3}=-4m$

I would get rid of the fraction so I'd multiply both sides by $\frac{3}{1}$

$\frac{776}{3}*3 = 4m*3$

$776=-12m$

divide both sides by -12m

$m = -\frac{776}{12}$

which can be simplified to

$m = -\frac{194}{3}$

ALL UNLESS THAT $\frac{4}{3}$ IS A POWER

3 0

3 years ago

Danika opened 3 packs of gum there were 8 pieces of gum in each pack. She gave an equal number of pieces of gum to each of her 4

PilotLPTM [1.2K]

Answer:

6

Step-by-step explanation:

8x3=24

24 divided by 4 = 6 pieces of gum to each friend.

7 0

4 years ago