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Lynna [10]
3 years ago
11

Part A: Which of the following points are on the same line that passes through the (7,-7),(21,14),(49,35)? Select all

Mathematics
1 answer:
puteri [66]3 years ago
5 0
It is C hope i helped you!;)
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Solve the equation y=2x^2-x-6 using the quadratic formula show the steps to solving
saul85 [17]

Answer:

x1 = 2 \\ x2 =  -  \frac{3}{2}

Step-by-step explanation:

x =  \frac{ - b +  -  \sqrt{ {b}^{2} - 4ac } }{2a}  \\ x =  \frac{1 +  -  \sqrt{ {( - 1)}^{2} - 4(2)( - 6) } }{2(2)}  \\ x =  \frac{1 +  -  \sqrt{1  + 48} }{4}  \\ x =  \frac{1 +  -  \sqrt{49} }{4}  \\ x =  \frac{1 +  - 7}{4}  \\  \\ x1 =  \frac{1  + 7}{4}  =  \frac{8}{4}  = 2 \\ x2 =  \frac{1 - 7}{4}  =   - \frac{6 }{4}  =  -  \frac{3}{2}

7 0
3 years ago
Angle A and B are supplementary. Angle A has a measure of 5x+10. Angle B has a measure of 70. What is the value of x?
umka21 [38]

Answer:

34

Step-by-step explanation:

5x+10=180

5x=170

x=34

7 0
3 years ago
g A scientist testing the effects of a chemical on apple yield sprays an orchard with the chemical. A second orchard does not re
rodikova [14]

Answer: determine that the chemical increases apple yield

Step-by-step explanation:

Based on the Data provided or gotten after harvesti of the  orchard the scientists would be able to conclude that the Chemical yielded an increase in the apples. Because the plantation the chemical was applied in produced an average of 60 apples per tree unlike the other plantation which didn’t use the chemical and came up short with 40 apples per tree.

7 0
2 years ago
What is the simplified form of cos​ C ?<br><br> A. √2/2<br> B. 1<br> C. √2<br> D. √5/2
Kruka [31]
The answer is D !!!!!
8 0
3 years ago
Read 2 more answers
X + y + 5) and (2x – 2y – 3)
Aleonysh [2.5K]

Step-by-step explanation:

Since your question is incomplete, I have given you two different options based on your incomplete question.

Hope you understand this.

HAVE A GOOD DAY!

4 0
2 years ago
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