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Nina [5.8K]
3 years ago
15

What is the area? (IXL)

Mathematics
1 answer:
Zina [86]3 years ago
3 0

Answer:

45 square meters

Step-by-step explanation:

we know that

The area of trapezoid is equal to

A=\frac{1}{2}(b1+b2)h

where

b1 and b2 are the parallel bases

h is the height of trapezoid (perpendicular distance between the parallel bases)

we have

b1=6\ m\\b2=9\ m\\h=6\ m

substitute

A=\frac{1}{2}(6+9)6

A=45\ m^2

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Find the value of x.<br><br> 7/10=x/105
GalinKa [24]

Answer:

The value of x is 73.5.

Step-by-step explanation:

Given:

7/10=x/105.

Now, to find the value of x.

\frac{7}{10} =\frac{x}{105}

So, to get the value of x we use cross multiplication:

\frac{7}{10} =\frac{x}{105}

By cross multiplying we get:

735=10x

By dividing both sides by 10 we get:

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x=73.5

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3 years ago
(2.5-6.7)^2÷2/5 simplify. ​
kipiarov [429]

Answer

44.1

Step-by-step explanation:

(-4.2)^2/2/5

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8 0
3 years ago
Read 2 more answers
The equation of a circle is x^2 + y^2= 42.25 Find the radius of the circle.
poizon [28]

Answer:

radius = 6.5

Step-by-step explanation:

The equation of a circle centred at the origin is

x² + y² = r² ( where r is the radius )

x² + y² = 42.25 ← is in this form

with r² = 42.25 ( take the square root of both sides )

r = \sqrt{42.25} = 6.5

7 0
3 years ago
How many boys are in the choir​
Dafna11 [192]

9514 1404 393

Answer:

  D.  210

Step-by-step explanation:

If b is the number of boys in the choir, the ratio of boys to girls is ...

  b/150 = 7/5

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There are 210 boys in the choir.

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3 years ago
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Answer:

5323

Step-by-step explanation:

453

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