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Gnom [1K]
3 years ago
10

Y+5=_7x – 4) - Help !!

Mathematics
2 answers:
S_A_V [24]3 years ago
4 0

Answer:

so x = 0 and y = -9

Step-by-step explanation:

y +5 = -7 x - 4

Therefore y = -7 x -4 -5

  y = -7x -9

(-7 x - 9 )+5 = -7 x -4

-7 x + 7 x - 4 = -4

0x =-4 +4

0x = 0

so x = 0

y = 0 - 9

y = -9

so x = 0 and y = -9

artcher [175]3 years ago
4 0

Answer:

y=7x-9

Step-by-step explanation:

first you see if you can combine any like terms and in this case you can not so then you subtract 5 from the other side and end up with y=7x-9 and then you have the equation for slope intercept if that is what you are looking for if you need to find something else i do not know what to do sorry hope it helps a little

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Radius of a circle is 6.35m. What is the area
djyliett [7]

Answer:

126.68

Step-by-step explanation:

<em>Area</em><em> </em><em>of</em><em> </em><em>circle</em><em> </em><em>=</em><em> </em><em>3.141593</em><em> </em><em>*</em><em> </em><em>r²</em>

<em>=</em><em> </em><em>3.141593</em><em> </em><em>*</em><em> </em><em>6.35²</em>

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3 years ago
If Katie had 16 pencils how many pencils does Maggie gives to jamal
katrin2010 [14]

Answer:

There isn't enough information to answer this question.

5 0
3 years ago
The accounting department analyzes the variance of the weekly unit costs reported by two production departments. A sample of 16
dusya [7]

Answer:

F=\frac{s^2_2}{s^2_1}=\frac{5.5}{2.5}=2.2

Now we can calculate the p value but first we need to calculate the degrees of freedom for the statistic. For the numerator we have n_2 -1 =16-1=15 and for the denominator we have n_1 -1 =16-1=15 and the F statistic have 15 degrees of freedom for the numerator and 15 for the denominator. And the P value is given by:

p_v =2*P(F_{15,15}>2.2)=0.138

For this case the p value is highert than the significance level so we haev enough evidence to FAIL to reject the null hypothesis and we can conclude that the true deviations are not significantly different

Step-by-step explanation:

Information given

n_1 = 16 represent the sampe size 1

n_2 =16 represent the sample 2

s^2_1 = 2.5 represent the sample deviation for 1

s^2_2 = 5.5 represent the sample variance for 2

\alpha=0.10 represent the significance level provided

The statistic is given by:

F=\frac{s^2_2}{s^2_1}

Hypothesis to test

We want to test if the variations in terms of the variance are equal, so the system of hypothesis are:

H0: \sigma^2_1 = \sigma^2_2

H1: \sigma^2_1 \neq \sigma^2_2

The statistic is given by:

F=\frac{s^2_2}{s^2_1}=\frac{5.5}{2.5}=2.2

Now we can calculate the p value but first we need to calculate the degrees of freedom for the statistic. For the numerator we have n_2 -1 =16-1=15 and for the denominator we have n_1 -1 =16-1=15 and the F statistic have 15 degrees of freedom for the numerator and 15 for the denominator. And the P value is given by:

p_v =2*P(F_{15,15}>2.2)=0.138

For this case the p value is highert than the significance level so we haev enough evidence to FAIL to reject the null hypothesis and we can conclude that the true deviations are not significantly different

5 0
3 years ago
Please help me with this!!
9966 [12]

Answer:

C

Step-by-step explanation:

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2 years ago
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r-ruslan [8.4K]

Answer:

5/9-1/9=4/9

Step-by-step explanation:

5/9 chose basketball or soccer. 1/9 chose basketball.

<h3>answer is 4/9</h3>
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2 years ago
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