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polet [3.4K]
3 years ago
13

Solve. Check for extraneous solutions. (x-2)^(1/2) - (28 - 2x)^(1/4) = 0

Mathematics
1 answer:
Bingel [31]3 years ago
3 0
<span>(x-2)^(1/2) - (28 - 2x)^(1/4) = 0

x=6

</span>
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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
If the diameter of a circle change from 18 cm to 6m how will the circumference change
viktelen [127]

Answer:

it will decrease

Step-by-step explanation:

because 6 is smaller than 18 it will go down (decrease)

7 0
3 years ago
2+2x8= ? To the 10th power
ch4aika [34]

Answer:

2+2×8=18

Step-by-step explanation:

2+2×8

2+16

18

4 0
3 years ago
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Pls HELP THANKK UUU SMM
NISA [10]

Answer:

slope of 2y- 5X = -20: m=

Convert to standard form: 5x- 2y=20

Slope using standard form: m=5/2

slope - Intercept form of 2y-5x= -20:

y=mx+b

y=5/2x-10

Axis interception points of 5/2x-10:

X Intercepts: (4, 0),

Y Intercepts: (0, - 10)

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2 years ago
ANSWER ASAP
Alexxx [7]

Answer:

8589 cubic meters

multiply base times height then divide by 3

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2 years ago
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