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wlad13 [49]
3 years ago
7

3х + 5у = -3x+2y = - 4/3​

Mathematics
1 answer:
Katena32 [7]3 years ago
5 0
I’m solving for x
X =2/3
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Can someone explain how to do this?
allsm [11]
Set it up as proportion.  Corresponding sides matter.  I am going to go from the one on the left to the one on the right.  \frac{16}{12}= \frac{x-1}{6}.  Cross multiply to get 96=12x-12.  108 = 12x and x = 9
7 0
3 years ago
Researchers study the relationship between interpersonal violence and health in college age women. The selected an alpha of 0.05
Lina20 [59]

Answer:

Explained below.

Step-by-step explanation:

A statistical hypothesis test is being performed to determine whether there was a significant difference in the type of primary residence (home vs. student housing) for abused versus non abused college aged women.

The hypothesis can be defined as:

<em>H</em>₀: There is no difference in the type of primary residence or abused versus non abused college aged women.

<em>Hₐ</em>: There is a significant difference in the type of primary residence or abused versus non abused college aged women.

The significance level of the test is:

<em>α</em> = 0.05

The computed <em>p</em>-value is:

<em>p</em>-value = 0.35

<em>p</em>-value = 0.35 > <em>α</em> = 0.05

The null hypothesis will not be rejected.

The <em>p</em>-value is inversely related to the sample size of the test.

That is, larger the sample size smaller is the <em>p</em>-value and smaller the sample size larger is the <em>p</em>-value.

A <em>p</em>-value of 0.35 is very large and unusual. This can happen because of the inadequate sample size selected.

As the <em>p</em>-value indicates an unusual result, it can be said that an error has been made while concluding that the null hypothesis is true, when in fact it is not.

This type of error is known as the type II error.

The correct decision should be:

There is a statistically significant difference in the type of primary residence for abused vs. non-abused college aged women.

5 0
3 years ago
(i picked c am i right?) What is the product in lowest terms?
-Dominant- [34]
The correct answer is C.<span>-20/27 because its in it lowest terms.</span>
8 0
3 years ago
Read 2 more answers
What is equivalent to 1/4 (8-6x+12)
Bess [88]
So which is equivilentpemdas
(8-6x+12)(20-6x)multiply/distribute1/4(20-6x)5-6/4x=5-3/2x=-3/2x+5
the answer is D


so mean is equivilent to average
per minute means x feet for every one minute=xfeet/1miin=x/1
so just divide -378/7=-54
mean change in altitude-54 feet per minute
4 0
3 years ago
Chase and sara went to the candy store. Chase bought 5 pieces of fudge and 3 pieces of gum for 5.70. Sara bought 2 pieces of fud
tamaranim1 [39]

Let, price of fudge and gum is x and y respectively.

Converting given statements into mathematical equation.

We get :

5x + 3y = 5.70  ....1)

2x + 10y = 3.60 ....2)

Solving equation 1 and 2, we get :

x = $1.05 .

y = $0.15 .

Price of buying 20 pieces of fudge and 20 pieces of bubble gum is :

P = 20( 1.05 ) + 20( 0.15 )

P = $24

Hence, this is the required solution.

4 0
3 years ago
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