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WINSTONCH [101]
1 year ago
13

|x + 5| = -3 How do I do this ?

Mathematics
1 answer:
Marysya12 [62]1 year ago
7 0
The answer is 0 because its already answerd
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In a goodness-of-fit test, the null hypothesis states that the data came from a normally distributed population. The researcher
marta [7]

Answer:

Solution: C) 7.815

Hint: From Chi-square table with (k-r-1)=(6-2-1) = 3 d.f the critical value = 7.8147

8 0
3 years ago
Please help<br> Me<br> Quick
Mrac [35]

Answer:

5

Step-by-step explanation:

First figure out the equation:

We know this is a linear equation because it appears to have a constant slope

Its y-intercept is where it passes in the y-axis, so it's -8

Furthermore, you should also figure out the slope. Notice that the y value increments by 3 every 1 x-value. Rise/Run is 3/1 = 3. Thus, the slope is 3

So your equation is g(x) = 3x - 8

Now we find our inverse function, which is just swapping the x-y values.

Thus, inverse of g(x) ==>  y = 3x - 8 ==> x = 3y - 8 ==>  x+8 = 3y ==> \frac{x+8}{3}

Plug in 7 for x and you get 5

5 0
3 years ago
Soon-Jin sent out 48 invitations, this was 4/5 of all her invitations. How many invitations will she send out in total?
stepladder [879]
If 4/5 of the total is 48, the total can be found by dividing it by 4 and multiplying it by 5:
48/4 = 12
12*5 = 60.
3 0
3 years ago
Read 2 more answers
the ratio of pine trees to elm trees in a park is 7:11. How many pine trees are there in the park if there are 68 more elm trees
Hitman42 [59]

Answer:

<em>The number of </em><em>pine tree is 119</em><em> and the number of </em><em>elm tree is 187.</em>

Step-by-step explanation:

The ratio of pine trees to elm trees in a park is 7:11

Let us assume that the number of pine tree is 7x and the number of elm tree is 11x.

It is also given that, there are 68 more elm trees as compared to the pine trees.

i.e 11x=7x+68

\Rightarrow 11x-7x=68

\Rightarrow 4x=68

\Rightarrow x=17

Hence, the number of pine tree = 7x=7\times 17=119 and the number of elm tree = 11x=11\times 17=187

8 0
3 years ago
PLEASE HELP
Kitty [74]

Answer:

542.50

Step-by-step explanation:

Given:

Least square regression equation :

y = 102.50 + 0.65x + residual

y = predicted fare

x = distance in miles

Intercept = 102.50

Slope = 0.65

Distance in miles, x = 500 miles

y = 102.50 + 0.65(500) + 115

y = 102.50 + 325 + 115

y = 427.5 + 115

y = 542.50

6 0
2 years ago
Read 2 more answers
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