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Andrew [12]
3 years ago
9

I need help on these 3 questions. Please help. “Find the area of each figure. Round your answer to the nearest tenth, show your

work.

Mathematics
1 answer:
My name is Ann [436]3 years ago
6 0
The first one is 6x10+6x7/2=81

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Help plz I really need help could you show your work if you do it plz.
Vika [28.1K]
What do you need help with?
7 0
3 years ago
The vertex of this parabola is at (3,-2). when the x-value is 4, the y-value is 3. whatis the coefficient of the squared express
zubka84 [21]

Answer:

<em>The coefficient of the squared expression in the parabolas equation will be 5.</em>

Step-by-step explanation:

<u>The vertex form of parabola</u> is:  y=a(x-h)^2 +k , where (h,k) is the vertex point and a is the coefficient of x^2 term.

The vertex is given as (3,-2). That means, h=3 and k=-2

So, the vertex form will be:  y=a(x-3)^2-2

Given that, when the x-value is 4, the y-value is 3. So, plugging these values into the above equation, we will get.....

3=a(4-3)^2-2\\ \\ 3=a(1)^2-2\\ \\ a=3+2=5

Thus, the coefficient of the squared expression in the parabolas equation will be 5.

5 0
3 years ago
Read 2 more answers
Solve the following system of equations.<br> 2x + 5y = -18 and y = -4x
andriy [413]

Answer:

x=1 and y= -4

Step-by-step explanation:

step one: plug -4x into y in thi]e first equation.

2x+5(-4)= -18

step two: solve for x

2x-20= -18

(add 20 to both sides to eliminate -20 on the right)

2x=2

(divide both sides by 2 to get x by its self)

x=1

step 3: now that we found the value for x plug it in to either equation and solve for y

y= -4x

y= -4(1)

y= -4

7 0
3 years ago
Michael wants to plant a circular flower garden in his backyard. If the radius of his garden is 12.5 feet, what is the circumfer
bixtya [17]

Answer: 78.54

Step-by-step explanation: :D

7 0
2 years ago
What is the prime factorization of 80? A.2×2×2×5 B.2×2×3×5 C.2×2×2×3×5 D.2×2×2×2×5
Nonamiya [84]

The answer would be (d.) , it can also be put as 2^4*5

3 0
2 years ago
Read 2 more answers
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