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abruzzese [7]
3 years ago
9

Solve using the quadratic formula for -7d^2+2d+9=0

Mathematics
1 answer:
Fynjy0 [20]3 years ago
5 0
20 that is the answer

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VikaD [51]
Name all the angles that have v as a vertex
4 0
3 years ago
Assume that the following events are independent:
NNADVOKAT [17]

Answer:

D 0.61

Step-by-step explanation:


0.42

0.69

= 0.6089

7 0
3 years ago
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Ellie bought a pair of jeans on sale for 15% off. If the jeans were originally $35, how much did she save?
Maurinko [17]

Answer:

she saved $5.25

Step-by-step explanation:

8 0
2 years ago
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What are the first three terms of the sequence: a1 = 3 and an = 2(an -1)^2?. . a. 2, 8, 18. . b. 3, 18, 648. . c. 3, 32, 50. . d
AlexFokin [52]
The first term of the sequence is already given to be 3. Use this value to obtain the second term.
                                     a2 = 2(a1)^2 = 2(3)² = 18
Use the value of the second term to get the third term through the equation,
                                     a3 = 2(a2)² = 2(18)² = 648
Thus, the answer to this item is letter B. 
7 0
3 years ago
I need help with this ?
Alex

Answer:

Joshua worked 4 hours and luke worked 7

Step-by-step explanation:

25x + 35x +105 = 345

60x = 345 - 105

60x = 240

x = 240/60

x = 4 hours

8 0
2 years ago
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