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GaryK [48]
3 years ago
14

do more kids say they want to see into the future or become invisible? invisible is 9/50 future is 1/5 what is more?

Mathematics
1 answer:
Olin [163]3 years ago
4 0
So this question is asking whether 9/50 or 1/5 is more. To do this we need to make 1/5 have a denominator of 50. So, we multiply the numerator and the denominator by 10.

1/5 * 10/10 = 10/50

Because 9/50 is less than 10/50, more kids want to see in the future.
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Find the perimeter of a regular heptagon with consecutive vertices at "A" (-2,-5) and "B" (1,-9)
weqwewe [10]

Answer:

Perimeter is 35 units.

Step-by-step explanation:

A heptagon has 7 equal sides.

Given the length of two consecutive vertices, A(-2-5) and B(1,-9).

We can find the length of AB and multiply by 7.

Recall the distance formula;

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

The length of AB is

|AB|=\sqrt{(-2-1)^2+(-5--9)^2}

|AB|=\sqrt{(-3)^2+(4)^2}

\Rightarrow |AB|=\sqrt{9+16}

\Rightarrow |AB|=\sqrt{25}

\Rightarrow |AB|=5\:units

Therefore the perimeter is 7\times 5=35\:units.

7 0
3 years ago
What is the area of the blue shaded region​???????
Anna [14]

Answer:

Step-by-step explanation:

22/7x7^2=154

22/7x3^2=28(approx)

154-28=126

5 0
2 years ago
9 4/5 divided by 5 8/11
denis-greek [22]

Answer:

Step-by-step explanation:

392/275 as a fraction

6 0
2 years ago
Read 2 more answers
40.51x+12.45y=666.64
irga5000 [103]

Answer:

The graph of the equation 40.51x+12.45y=666.64 is attached with the answer where the horizontal axis represents the X axis and the vertical axis represents Y axis.

To plot the graph physically just find two points lying on the line. Mark the points on the graph sheet and then join them. This will give you the line represented by the equation.

To find points on the line assume the value of any one variable, substitute it in the equation, then solve the equation to find the value of other variable. For example : assume y = 1; substitute the value of y in the equation;

⇒ 40.51x + 12.45×1 = 666.64

⇒ 40.51x = 666.64 - 12.45

⇒ 40.51x = 654.19

⇒ x = \frac{654.19}{40.51}

⇒ x ≈ 16.149

Therefore point ( 16.149 , 1 ) lie on the graph of the equation.

***Only two points are required to plot this graph just because it represents a straight line, that we can conclude just by observing the equation. If in an equation the power of x is 1 or 0 and power of y is 1 or 0 then only it will represent a straight line in 2-D plane.***

5 0
3 years ago
There are 80 skittles in a bag you pick a handful of 12 purple 6 orange 3 red 5 green 4 yellow. How many red skittles do you exp
frozen [14]

Answer

12

Step-by-step explanation

there is 15 of each color  3 take away 15 equals 12 red skittles left

7 0
2 years ago
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