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4 years ago

10

GEOMETRY HELP, 11th GRADE

2 answers:

Trava [24]4 years ago

6 0

Answer:

True

Step-by-step explanation:

lukranit [14]4 years ago

4 0

Answer:

False

Step-by-step explanation:

You learn a little Algebra 1 and a little Geometry in 8th grade, as a Freshman you learn the rest of Geometry and the rest of Algebra 1, as a Sophomore you learn Algebra 2, Junior year you learn Pre-Calculus, and as a Senior you learn Calculus, Statistics and Trigonometry. Please give me brainliest.

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Identify the terms ,like terms ,coefficients,and constants in <br> 7-5x+1

777dan777 [17]

Constants: -5x
like terms: 7, 1
terms: 1, 7, -5x
coeffcients: 5

7 0

3 years ago

Basic Computation: Testing M1 2 M2 A random sample of 49 measurements from a population with population standard deviation 3 had

Elenna [48]

Answer:

The sample statistics follows a standard normal distribution since the sample size are large enough.

Step-by-step explanation:

Given that:

<u>First population:</u>

Sample size $n_1$ = 49

Population standard deviation $\sigma_1$ = 3

Sample mean $\overline x _1$ = 10

<u>Second population:</u>

Sample size $n_2$ = 64

Population standard deviation $\sigma_2$ = 4

Sample mean $\overline x_2$ = 12

The sample statistics follows a standard normal distribution since the sample size are large enough.

The null and alternative hypotheses can be computed as:

$\mathbf{H_o:\mu_1=\mu_2}$

$\mathbf{H_1:\mu_1\ne\mu_2}$

Level of significance = 0.01

Using the Z-test statistics;

$Z = \dfrac{\overline x_1 - \overline x_2}{\sqrt{\dfrac{\sigma_1^2}{n_1} + \dfrac{\sigma_2^2}{n_2}}}$

$Z = \dfrac{10- 12}{\sqrt{\dfrac{3^2}{49} + \dfrac{4^2}{64}}}$

$Z = \dfrac{-2}{\sqrt{\dfrac{9}{49} + \dfrac{16}{64}}}$

$Z = \dfrac{-2}{\sqrt{0.18367 +0.25}}$

$Z = \dfrac{-2}{\sqrt{0.43367}}$

$Z = \dfrac{-2}{0.658536}$

Z = - 3.037

Z $\simeq$ - 3.04

The P-value = 2P (z < -3.04)

From the z tables

= 2 × (0.00118)

= 0.00236

Thus, since P-value is less than the level of significance, we fail to reject the null hypotheses $H_o$

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3 years ago

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s2008m [1.1K]

Where is the equation?

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3 years ago

Which postulate proves that △ABC and △EDC are congruent?

Diano4ka-milaya [45]

The correct answer is SAS.

It's given that BC is congruent to CD and AC is congruent to CE. And by Vertical Angles theorem, Angle BCA is congruent to DCE.

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3 years ago

Suppose that a company claims that its air fresheners last 23 days, on

pashok25 [27]

Answer:

$95 - 23 = 17$

Step-by-step explanation:

This is the answer because it is subtracted so that you get the answer

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3 years ago