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balandron [24]
3 years ago
12

Which compound inequality has no solution? x ≤ –2 and 2x ≥ 6 x ≤ –1 and 5x ≤ 5 x ≤ –1 and 3x ≥ –3 x ≤ –2 and 4x ≤ –8 ITS NOT D

Mathematics
1 answer:
Zolol [24]3 years ago
4 0
Sykagjryraits09294969369259
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Solve the equation by using the quadratic formula.<br> 8x2 – 2x - 15 =0
ddd [48]

Answer:

x = 3/2 or x = -5/4

Step-by-step explanation:

Solve for x over the real numbers:

8 x^2 - 2 x - 15 = 0

Using the quadratic formula, solve for x.

x = (2 ± sqrt((-2)^2 - 4×8 (-15)))/(2×8) = (2 ± sqrt(4 + 480))/16 = (2 ± sqrt(484))/16:

x = (2 + sqrt(484))/16 or x = (2 - sqrt(484))/16

Simplify radicals.

sqrt(484) = sqrt(4×121) = sqrt(2^2×11^2) = 2×11 = 22:

x = (2 + 22)/16 or x = (2 - 22)/16

Evaluate (2 + 22)/16.

(2 + 22)/16 = 24/16 = 3/2:

x = 3/2 or x = (2 - 22)/16

Evaluate (2 - 22)/16.

(2 - 22)/16 = -20/16 = -5/4:

Answer: x = 3/2 or x = -5/4

4 0
2 years ago
Please help thank you
Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

B

3 0
3 years ago
4(x-3)-(2x+5)=-3x-27
Georgia [21]
4(x-3)-(2x+5)=-3x-27
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4x - 12 - 2x - 5 = -3x - 27
2x - 17 = -3x - 27
2x + 3x = -27 + 17
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x = -2

7 0
3 years ago
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A function is a rule that assigns each value of the independent variable to exactly one value of the dependent variable. True or
vesna_86 [32]
<span>The answer is true
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<span> We observe that the independent variable can only obtain one result.
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3 years ago
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An artist has completed of a painting in 2 weeks. At what rate is she working?
GenaCL600 [577]
Im not sure but it could be 1/14
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3 years ago
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