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3 years ago

If the measure of angle 5 = 42" and the measure of angle 1 - 1179 find mCDF

Mathematics

1 answer:

harina [27]3 years ago

6 0

Answer:

Hi im sorry i cant answer but i really need brainliest to reach the next level you dont have to if you dont want to but could you mark it brainliest please?

Step-by-step explanation:

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There are 18 girls and 12 boys in class. What is the probability that a new kid in senior class will be a boy?

valentinak56 [21]

There are 18 + 12 total students.

18 are girls and 12 are boys, since the total is 30 students, that's the amount of probable outcomes, and since there are 12 boys, that's the amount of favorable outcomes, thus

12/30 or 0.4, 0.4 * 100 is 40%.

5 0

3 years ago

Use substitution to solve the system of equations :

mote1985 [20]

Answer:

x=1

y=-4

Step-by-step explanation:

4x+y=0 -> y= -4x

2(-4x)+x=-7

-8x+ x=-7

-7x=-7

x=-7/-7=1

y=-4 . 1 = -4

3 0

3 years ago

Is there a direct proportion in 3y=1/2x? if there is one, what is the constant of proportionality?

kipiarov [429]

A direct proportion is any equation where y = mx+b. (i.e., a linear equation)

Each side of 3y = 1/2x can be divided by 3 to get y = 1/6x, satisfying the condition of y = mx+b. (b=0)

In this case, the constant of proportionality would be 1/6.

6 0

3 years ago

Read 2 more answers

What is the total surface area of the box formed by the pattern below

nadezda [96]

Answer:

<h2>The total surface area of the box is 224 square inches.</h2>

Step-by-step explanation:

The box pattern is shown in the image attached.

The total surface is the sum of the area of each section of the figure, which is formed by 4 equal rectangles and 2 equal squares. Rectangles have dimensions of 12 inches by 4 inches, and squares have 4 inches per side.

So, the total surface would be

$S_{total}=S_{squares} +S_{rectangles}\\ S_{total}=2(4in)^{2} +4(12in \times 4 in)\\ S_{total}=2(16in^{2})+4(48in^{2} ) \\ S_{total}=32in^{2}+192in^{2}\\ S_{total}=224in^{2}$

Therefore, the total surface area of the box is 224 square inches.

8 0

4 years ago

What is 0.4 multiplied by 3.2?

yuradex [85]

Answer:

1.28!

Step-by-step explanation:

hope this helps, let me know if you need an explination! :)

4 0

2 years ago

Read 2 more answers