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xxMikexx [17]
3 years ago
12

Write the equation of the circle centered at ( 7 , − 5 ) (7,-5) with diameter 16

Mathematics
1 answer:
galina1969 [7]3 years ago
3 0
The equation of a circle is (x - h)² + (y - k)² = radius² where (h, k) is the center. 

If the diameter is 16, then the radius is 8. 

Your equation is:
(x - 7)² + (y + 5)² = 64
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What is the volume of a frustum of a right pyramid with the area of the lower base square to 100 square inches, the area of the
otez555 [7]

Answer:

1

Step-by-step explanation:

7 0
3 years ago
Please help me! :) !!!!!!!!!!!!!!!!!
Novosadov [1.4K]

Answer:

x=17

Step-by-step explanation:

Since the triangles are congruent, the angles are equal

I≅ P  

3x+4 = 72-x

Add x to each side

3x+4+x = 72-x+x

4x+4 = 72

Subtract 4 from each side

4x+4-4 = 72-4

4x= 68

Divide by 4

4x/4 = 68/4

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7 0
3 years ago
Neighborhood block: StartFraction 3 over 20 EndFraction miles. A rectangle has a width of w. Perimeter = 3 20 + w + 3 20 + w Bij
butalik [34]

Answer:

it is 1/20

Step-by-step explanation:

3 0
3 years ago
2(4x-1)+3=7<br> i'm little confused on this
Ratling [72]

Answer:

x = \frac{3}{4}

Step-by-step explanation:

Since you cannot subtract -1 from 4x, you multiply 2 × 4x = 8x

Now, you have 8x - 1 + 3 = 7

Seperate the 8x from the other numbers

8x = 1 - 3 + 7 ---> 6

8x = 6

Now simplify

x = \frac{6}{8}  <----- to reduce, divide the numerator and denominator by 2

Hence,

x =  \frac{3}{4}

4 0
3 years ago
What is the area of this figure?<br><br> A.49.5 in²<br> B.66.5 in²<br> C.84 in²<br> D.91 in²
aliya0001 [1]
The area of a trapezoid with base lengths 7 in and 19 in is given by
  A = (1/2)(b1 + b2)h
  A = (1/2)(7 +19)·7 = 91

The appropriate choice is
  D. 91 in²


_____
It can also be figured by adding the area of the 7 in square (49 in²) to the area of the 7×12 in right triangle (42 in²).
3 0
3 years ago
Read 2 more answers
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