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3 years ago

What is the relationship between a and b? last answer is none of the above!

Mathematics

2 answers:

Zolol [24]3 years ago

8 0

Answer:

B) Complementary angles

Step-by-step explanation:

∠AXB + ∠CXB = 180 { Straight line}

∠AXB + 90 = 180 { given ∠CXB=90}

∠AXB = 180 - 90

∠AXB = 90

a + b = 90

If sum of two angles is 90, then the two angles are complementary angles.

LUCKY_DIMON [66]3 years ago

7 0

Answer:

its B I think. because it should equal 90°

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aniked [119]

Answer:

+ 16

Step-by-step explanation:

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add ( half the coefficient of the x- term )² to both sides

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x² - 8x + 16 = - 10 + 16

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1 year ago

From a point 80 m from the base of a tower, the angle of elevation to the top of the tower is 28°. How tall is the tower?

elena-s [515]

Answer:

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Step-by-step explanation:

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2 years ago

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WITCHER [35]

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2 years ago

How do you factor x squared + 9

Alex Ar [27]

Your answer would be 3

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2 years ago

Suppose a horticulturist measures the aboveground height growth rate of four different ornamental shrub species grown in a green

torisob [31]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The decision is to reject the null hypothesis at a significant level of significance $\alpha = 0.05$ There is sufficient evidence to conclude that at least one of the population mean is different from at least of the population

Step-by-step explanation:

From the question we are told that the claim is

The mean growth rates of all four species are equal.

The null hypothesis is

$H_o : \mu _1 = \mu_2 = \mu_3 = \mu_4$

Th alternative hypothesis is

$H_a: at \ least \ one \ of \ the \ means \ is \not\ equal$

From question the p-value is $p-value = 0.015$

And since the $p-value < \alpha$ so the null hypothesis will be rejected

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2 years ago