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Ipatiy [6.2K]
3 years ago
14

solve the formula for h, and find the height of a trapezoid with an area of 60 m2 and bases of 8m and 12m

Mathematics
1 answer:
Allushta [10]3 years ago
3 0
6, the formula is (b1+b2/2)*h
8+12/2=10
10*h=60 so h=6
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A board game has a spinner divided into sections of equal size. Each section is labeled with a number between 1 and 5. Which num
Valentin [98]

Answer:

75

Step-by-step explanation:

first, there are three 5's on the spinner, with a total of 12 sections. 3/12 = 0.25, so you multiply 0.25 times 300 (the total spins) and get 75

3 0
3 years ago
Please help, answer and show me the work. Thanks also solve for x
vova2212 [387]

3.  x+100 = 90   alternate interior angles are equal

subtract 100 from each side

x+100 - 100 = 90-100

x = -10


4.  17x+1 = 120    alternate exterior angles are equal

subtract 1 from each side

17x+ 1 -1 = 120 -1

17x = 119

divide each side by 17

17x/17 = 119

x =7

4 0
3 years ago
What is the surface area of this right rectangular prism?
hammer [34]

Answer: Here's what I got:

Step-by-step explanation:

Is this what you wanted? My answer is A=22in²

Here's how I got it:

A=2(wl+hl+hw)=2·(1·3+2·3+2·1)=22in²

This was right? Make sure to like and rate! Appericate it.

5 0
3 years ago
Read 2 more answers
Help if you know thanks
Yanka [14]

Answer:

x = -1/2  x=-1

Step-by-step explanation:

2x( x+1.5) = -1

Distribute

2x^2 + 3x = -1

Add 1 to each side

2x^2 +3x+1 = 0

Factor

(2x+1) (x+1) =0

Using the zero product property

2x+1 = 0   x+1=0

2x = -1    x=-1

x = -1/2  x=-1

7 0
3 years ago
Read 2 more answers
given that the center of a circle is at point (-3,5) and that the radius of the circle is 6 units, write the the equation of the
Anika [276]
The equation of a cricle is 
(x-h)^{2}+(y-k)^{2}=r^{2}
h being the x coordinate of the given point and k being the y coordinate of the given point (r also being the radius). 

Now we have to plug the points into the equation 
(x--3)^{2} +(y-5)^{2} = 6^{2}
now just simplify the the equation
(x+3)^{2} +(y-5)^{2} = 36 
3 0
4 years ago
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