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Olin [163]
3 years ago
5

Please help with this question!

Mathematics
2 answers:
Sati [7]3 years ago
4 0

Answer:

C

Step-by-step explanation:

a = 1

b = -5

c = 3

(-b ± √b² - 4ac) ÷ 2a

[5 ± √25 - 4(3)] ÷ 2

(5 ± √13) / 2

Liula [17]3 years ago
3 0
I think the answer is C
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What is the y-value when x ec<br> y = 750 - 16(x)
-Dominant- [34]

Answer:

414

Step-by-step explanation:

substitute the given value 21 for x. so y=750-16(21)

y=750-336

y=414

3 0
3 years ago
The range for a list of measurements equals the greatest measurement minus the least measurement. The two lists of measurements,
guajiro [1.7K]

Answer:

Insufficient information

Step-by-step explanation:

The information provided us isn't sufficient to determine the range for the measurements in list X. Because we need to be given the range for the measurements in Y at least. We also need the number of measurements in both X and Y.

3 0
3 years ago
Solve through substitution<br><br> –3x–8y=20<br><br> y=5x+19<br><br> Point of intersection, please
Sedaia [141]

Answer:

(-4, -1)

Step-by-step explanation:

-3x - 8y = 20; y = 5x + 19

y = 5x + 19; -3x - 8y = 20

y = 5x + 19

-3x - 8y = 20

-3x - 8(5x + 19) = 20

-43x - 152 = 20

-43x - 152 + 152 = 20 + 152

-43x = 172

-43x / -43 = 172 / -43

x = -4

y = 5x + 19

y = (5)(-4) + 19

y = -1

4 0
3 years ago
Two dice are rolled. Define the events as follows: A : sum of 7, B : doubles, C : sum of 8
love history [14]

Answer: for a sum of 7 would either be 6 and 1, 5 and 2 or 4 and 3. you can roll a double 1,2,3,4,5,6. the sum of 8 would be 2 and 6, 3 and 5 and a double 4,

Step-by-step explanation:

well the there are six sides on a die so 6 x 2 is 12 so the max sum you can get is 12. So you take 7 and you start adding up to 7, same thing for sum of 8. since there is 6 sides and a pair of dices you will roll six doubles

5 0
3 years ago
Multiply -8/9 and -18/25 then simplify
miskamm [114]
16/25 is the simplified answer 
4 0
3 years ago
Read 2 more answers
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