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shusha [124]
3 years ago
11

Which expression is equivalent to x2 - 8x + 13 = 0

Mathematics
1 answer:
Mila [183]3 years ago
7 0

Answer:

for 7 i believe its D

Step-by-step explanation:

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What is the value of k if k +28=56 ?
USPshnik [31]

k = 29 i think tho

5k - 3 + 9 + k = 180

6k + 6 = 180

6k = 174

k = 29

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3 years ago
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A rectangular room measures 14 feet by 144 inches. Edgar said the area of the room is 2,016 square feet. Explain his mistake, th
valina [46]
Change the inches into feet. There are 12 inches in a foot so divide 144 by 12. That gives you 12, so then multiply 12 by 14. You are left with 168 feet.
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What is the ratio of people who prefer pistachio to the people who prefer vanilla?
Brrunno [24]

Answer:

3/2

Step-by-step explanation:

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3 years ago
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The radius of the cone is 7 in and y = 25 in. What is the volume of the cone in terms of π? A cone with a right triangle formed
Lady bird [3.3K]

Answer:

142.1π in³

Step-by-step explanation:

Given that:

The radius (r) =  7 in

The slant height (y) = 25 in

Then the height (x) can be determined by using the Pythagoras rule:

y² = x² + r²

25² = x² + 7²

125 = x² + 49

125 - 49 = x²

x² = 76

x = √76

x = 8.7

The formula for the volume of a cone is;

= 1/3 πr²h

where;

height(h) is calculated as "x" from above = 8.7

Then;

= 1/3 × π × (7 in)² × 8.7 in

= 142.1π in³

5 0
3 years ago
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What is y=x+2. I need help fast please help
Mademuasel [1]

Answer:

Step-by-step explanation:

Its is a linear equation .that is to day a simple equation of a line whose values can be obtained through their intercept.intercept on x axis, y is zero and vice versa

7 0
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