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4 years ago

What are the x and y intercepts for the graph of 5x-2y=20

Mathematics

2 answers:

kipiarov [429]4 years ago

5 0

Answer:

x-intercept is 4 and y-intercept is -10.

Step-by-step explanation:

Given equation is,

$5x-2y=20$

For x-intercept, y = 0,

$5x-2(0)=20$

$5x=20$

$x = 4$

Thus, the x-intercept is 4,

Now for y intercept, x = 0,

$5(0)-2y=20$

$-2y=20$

$y=-10$

Thus, the y-intercept is -10.

Mrac [35]4 years ago

3 0

Divide by 20 to put the equation into intercept form.
.. x/4 +y/(-10) = 1

The x-intercept is 4.
The y-intercept is -10.

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3 years ago

Consider the following hypothesis test.H0:μ1−μ2=0 Ha:μ1−μ2≠0The following results are for two independent samples taken from the

Julli [10]

Answer:

a) $z =\frac{104-106}{\sqrt{\frac{8.4^2}{80} +\frac{7.6^2}{70}}}= -1.53$

b) $p_v =2*P(z$

c) Since the p value is higher than the significance level provided we have enogh evidence to FAIL to reject the null hypothesis and we can't conclude that the true means are different at 5% of significance

Step-by-step explanation:

Information given

$\bar X_{1}= 104$ represent the mean for 1

$\bar X_{2}= 106$ represent the mean for 2

$\sigma_{1}= 8.4$ represent the population standard deviation for 1

$\sigma_{2}= 7.6$ represent the population standard deviation for 2

$n_{1}=80$ sample size for the group 1

$n_{2}=70$ sample size for the group 2

z would represent the statistic

Hypothesis to test

We want to check if the two means for this case are equal or not, the system of hypothesis would be:

H0: $\mu_{1}=\mu_{2}$

H1: $\mu_{1} \neq \mu_{2}$

The statistic would be given by:

$z =\frac{\bar X_1-\bar X_2}{\sqrt{\frac{\sigma^2_1^2}{n_1} +\frac{\sigma^2_2^2}{n_2}}}=$ (1)

Part a

Replacing we got:

$z =\frac{104-106}{\sqrt{\frac{8.4^2}{80} +\frac{7.6^2}{70}}}= -1.53$

Part b

The p value would be given by this probability:

$p_v =2*P(z$

Part c

Since the p value is higher than the significance level provided we have enogh evidence to FAIL to reject the null hypothesis and we can't conclude that the true means are different at 5% of significance

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3 years ago

Find the value of n in 2m-3n = 6 and 2m + 6n = 12.

Nezavi [6.7K]

Answer:

n = 2/3

Step-by-step explanation:

2m - 3n = 6

– 2m + 6n = 12

-9n = -6

n = -6/-9

n = 2/3

Hence, the value of n in the given equations is 2/3.

4 0

3 years ago

Find the slope of the line that passes through (5,2) and (10,7).

Bad White [126]

Answer:

Hi! The nswer to your question is m = 1

Step-by-step explanation:

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8 0

3 years ago

Read 2 more answers

I need 1-5 and 8 and 9 solved

meriva

Answer:

1. A

2. H

3.B

4. H

5. A

Those are the answers

Step-by-step explanation:

1. 30 - 2(-8)= 46

2. BODMAS applied 6-7 =-1

3. 45/-5=-9

4. Sum is h +73

5.BODMAS applied 60 /6 = 10

8 0

3 years ago