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Darya [45]
2 years ago
9

How to solve by completing the square

Mathematics
1 answer:
AveGali [126]2 years ago
6 0

https://www.mesacc.edu/~scotz47781/mat120/notes/quad_formula/quad_formula.html

Use this link to help you .

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How do you solve 18x+27=117
Nonamiya [84]

Answer:

x = 5

Step-by-step explanation:

18x = 117 - 27

18x = 90

x = 90/18

x = 5

6 0
2 years ago
Read 2 more answers
a store has apples on sale for $3.00 on two pounds . how many pounds of apples can you buy for $9 if an apple is approximately 5
stepan [7]

Answer: You can get 6 pounds of apples and approximately 19 apples.


Step-by-step explanation:

There are 16 ounces per pound so 6 pounds is 96 ounces

96/5 = 19.2

7 0
3 years ago
Please help !!!!!!!!!
givi [52]

Answer:

The angle between the ramp and the horizontal is 11.54 degrees

Step-by-step explanation:

Here, we want to get the angle between the ramp and the horizontal

What we have to do here is to bring the measure of 2 m near to the edge leftwards, so we can have a right triangle

Now, the angle we want to calculate is the angle that faces the measure 2 m

The given measure of 10 m will represent the hypotenuse of the right triangle

The trigonometric ratio that links the hypotenuse and the opposite is the sine

The sine is the ratio of the opposite to the hypotenuse

Thus, we have it that;

sin theta = opp/hyp

sin theta = 2/10

sin theta = 0.2

theta = sin^-1 0.2

theta = 11.54

4 0
2 years ago
The circle below is centered at the origin and has a radius of 7. What is its
Rashid [163]

Answer:

x² + y² = 49

Step-by-step explanation:

The equation for a circle is: x² + y² = r²

here, we know our circle's radius (r) to be 7

So, the equation for our circle is:                  {replace "r" with value}

x² + y² = 7²

which can be simplified to:

x² + y² = 49

hope this helps!! have a lovely day :)

7 0
2 years ago
Solve the following equations with special factors: (I really need help with number 18)
kicyunya [14]

Answer:

im not 100% sure but wouldnt #15 be 9squared-81=0

Step-by-step explanation:

9 squared would turn to 81 because 9 time 9 is 81 and 81- 81 is 0

8 0
3 years ago
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