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gogolik [260]
3 years ago
6

Solve using quadratic equation by factoring. x^2-9x=-14

Mathematics
2 answers:
Usimov [2.4K]3 years ago
7 0

Answer:

x= 2 or 7

Step-by-step explanation:

Steps are in the photo I attached

Sonbull [250]3 years ago
5 0

Answer:

2,7

Step-by-step explanation:

See image below:)

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One year ago, Joan was five times as old as her pony. In one year's time, the sum of the ages will be 22. How old is Joan now?​
iogann1982 [59]

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Step-by-step explanation:

4 0
2 years ago
If DF = 9x - 39, find Ef
Leviafan [203]
|DF| = |DE| + |EF| |DF| = 9x -36 |DE| = 47 |EF| = 3x+10 Substitute: 9x - 39 = 47 + 3x + 10 9x - 39 = 3x + 57 |+39 9x = 3x + 96 |-3x 6x = 96 |:6 x = 16 Put the value of x to the equation |EF| = 3x + 10 |EF| = (3)(16) + 10 = 48 + 10 = 58 Answer: |EF| = 58

Read more at Answer.Ya.Guru – https://answer.ya.guru/questions/4046336-if-df-9x-39-find-ef.html
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3 years ago
Angle BAC measures 56. What is the measure of angle BDC?
goldfiish [28.3K]

Answer: Like the angles BAC (56°) and BDC has the same arc BC in the circumference, these angles must be congruent, then angle BDC must be equal to 56°.

4 0
3 years ago
Read 2 more answers
Help help help help please guys
maria [59]
I think the answer is 9
It's a smaller version of the other figure.
21/3=7
27/3=9
3 0
3 years ago
A school dedicated 20% of the courtyard area for students to start a garden. The students want to know how much of the 950-squar
Step2247 [10]

Answer:

190 square foot

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School yard = 950 square foot

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Therefore

20/100 x 950

= 190 square foot

7 0
3 years ago
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