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dezoksy [38]
2 years ago
11

Hi can anyone solve this for me please solve it on a piece of paper please

Mathematics
1 answer:
mojhsa [17]2 years ago
7 0

Answer:

Awsten Knight

Step-by-step explanation:

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Substitue the expression 5-3x into the second equation
Rina8888 [55]

Answer:

<h2><u>X= 1</u></h2>

Step-by-step explanation:

<em>y = 5 - 3x</em>

<em>5x - 4y = -3</em>

you substitute for y since you know what y equals.

so, it will then be

5x -4(5 -3x) = -3

you then multiply -4 by everything in the parenthesis

so then it will be

5x - 20 + 12x = -3

Then combine like terms

5x + 12x = 17x

then the new equation is

17x -20 = -3

the next step is to and 20 to both sides since it is negative you do the opposite.

17x - 20 = -3

<u>      + 20     +20</u>

17x = 17 divide 17 by both sides sice 17 is being multiplied by x you do the opposite and divide and you get 1.

<h2><u>so, X = 1</u></h2>
4 0
3 years ago
How many different ways can 6 identical books, 3 identical paperback books, and 3 identical boxed books be arranged on a shelf i
Marianna [84]
18480 ways
You’re welcome
7 0
2 years ago
Heather is a student in a class that has been asked to conduct a hypothesis test for a population proportion. The null and alter
Rasek [7]

Answer:

Alan = reject H0

Bill = cannot say

Step-by-step explanation:

Given that Heather is a student in a class that has been asked to conduct a hypothesis test for a population proportion.

H0: p = 0.5 \\Ha: p ≠ 0.5

(two tailed test at 5% significance level)

Since she rejects null hypothesis p value should have been less than 0.05

when p value <0.05, it is definitely less than 0.10

So at 1% level of significance also the null hypothesis would be rejected.

So Alan also would get the same result as to reject the H0

But about Bill since Bill uses 0.01, we cannot definitely say that p value is less than or greater than 0.01

All we know is that p is less than 0.05

Hence it is impossible to tell from the information for Bill

5 0
3 years ago
Compare the two ratios by entering &gt;, &lt; , or = in the box.<br><br> 6:15 30:80 ?
kodGreya [7K]
I think it is 6:15 > 30:80

hope it helps:)
6 0
2 years ago
PLEASE HELP ME ON THIS!!!! THIS IS URGENT<br> I need to know if 1-5 if they are congruent or not
ehidna [41]

Answer:

3 and 4 not congruent

Step-by-step explanation:

8 0
2 years ago
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