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elena55 [62]
4 years ago
15

6th garde math: questions is in the screenshot :,) please answer asap

Mathematics
2 answers:
musickatia [10]4 years ago
6 0

Answer:

4. Proportional 5. Non Proportional

Step-by-step explanation:

4.

0.99 times 1 is 0.99

x2 1.98

x3 2.97 and so on

5.

17.2 x 1 is 17.2

x2 is 34.4 which does not match.

DedPeter [7]4 years ago
6 0

Answer:

4. Proportional 5. Non Proportional

Step-by-step explanation:

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64% of students will apply for graduate school. from a sample of 100 students, 52 stating that they will apply for grad school.
lana66690 [7]

Answer:

you<u> accept </u>the alternative hypothesis

Step-by-step explanation:

The null and alternative hypothesis can be computed as follows:

H_o: p = 0.64 \\ \\ H_1: p \le 0.64

The sample proportion \hat p = \dfrac{x}{n}

\hat p = \dfrac{52}{100}

\hat p = 0.52

The test statistics can be computed as:

Z = \dfrac{\hat p -p_o}{ \sqrt{ \dfrac{p_o \times (1-p_o)}{ n} }}}

Z = \dfrac{0.52 -0.64}{ \sqrt{ \dfrac{0.64 \times (1-0.64)}{ 100} }}}

Z = -2.5

The P-value = 2( Z< -2.5)

From the tables;

The P-value = 2 (0.0062)

The P-value = 0.0124

The significance level = 0.01

Since the P-value is > significance level; we fail to reject the null hypothesis.

Conclusion: we accept the alternative hypothesis

7 0
3 years ago
6(-2) (-3) PLEASE HELP ASAP!!!!!!!!!!
andrew11 [14]

Answer:

6×6

=36

Step-by-step explanation: Negative multiplied by negative is positive.

8 0
3 years ago
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Solve 8/t+5 = t-3/t+5 + 1/3
Aleks04 [339]

\frac{8}{t}  + 5 = t -  \frac{3}{t}  + 5 +  \frac{1}{3}  \\  \\ 1. \:  \frac{8}{t} =  -  \frac{3}{t} +  \frac{1}{3}   \\  \\ 2. \: 24 = 3t^{2}  - 9 + t \\  \\ 3. \: 24 - 3t^{2} + 9 - t = 0 \\  \\ 4. \: 33 - 3t ^{2}- t = 0 \\  \\ 5. \: t =  \frac{1 +  \sqrt{397} }{ - 6}  \:  \frac{1 -  \sqrt{397} }{ - 6}  \\  \\ 6. \: t =  -  \frac{1 +  \sqrt{397} }{6}  \:  -  \frac{1 -  \sqrt{397} }{6}

7 0
4 years ago
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Need help with this as soon as possible
andrey2020 [161]

Answer:

6 + 5\sqrt{5}

irrational

cannot

does not

Step-by-step explanation:

5\sqrt{5} + 2\sqrt{9} =

= 5\sqrt{5} + 2 \times 3

= 5\sqrt{5} + 6

= 6 + 5\sqrt{5}

4 0
3 years ago
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The answer would be 15x^2(3y^6)
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