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3 years ago

What is the value of y? 40° y +30 A. 1100 B. 10° C. 55° D. 850

Mathematics

1 answer:

svet-max [94.6K]3 years ago

6 0

The answer is the value of y and the correct answer is c 55…

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What is 66 2/3% of 39? what steps do i take to get my answer. and 66 2/3 is a mixed number fraction.

gregori [183]

66 2/3
=(66*3+2)/3
=200/3

((200/3)*39)/100
=(7800/117)/100
=78/1.17
=66.7%

not so sure it is right though, but that's what I came up with. hope it helps

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2 years ago

Penguin or Duck?

Sonja [21]

Answer:

9 students chose duck

Step-by-step explanation:

The question says "6 more students chose duck than chose penguin"

This means that you would add 6 to the number that chose penguin, which is 3.

6 + 3 = 9

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2 years ago

Read 2 more answers

The sum of a number times 6 and 4 equals 5

Inessa [10]

5= (6+4)x
5= 10x

5= 10x then divide by 10 to get the variable by itself
__ ___
10 10
.5 = x you can use .5 or 1/2

hope this helps!
:)

3 0

3 years ago

What is the percent of 45/100?

myrzilka [38]

45/100 is 4,500% 2/5 is 40% 18/40 is 45% 15/25 is 60%

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3 years ago

What is the slope of line PQ?

Anit [1.1K]

Answer:

Step-by-step explanation:

Slope of a line passing through two points $(x_1,y_1)$ and $(x_2,y_2)$ is given by the formula,

Slope = $\frac{y_2-y_1}{x_2-x_1}$

Slope of the line PQ passing through the two points P(-8, 2) and Q(4, 2) will be,

Slope ' $m_1$ ' = $\frac{2-2}{-8-2}$ = 0

Therefore, slope of the line PQ parallel to the x-axis = 0

Slope of the line MN passing through the points M(8, 6) and N(8, -8) is,

Slope ' $m_2$ ' = $\frac{6+8}{8-8}$ = ∞

Therefore, slope of the line MN parallel to y-axis is undefined.

Since, angle between the x-axis and y-axis is 90°,angle at the intersection point between the lines parallel to x and y axis will be 90°.

These lines are perpendicular to each other.

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3 years ago