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kipiarov [429]
2 years ago
8

Can you chick are those right

Mathematics
1 answer:
Maksim231197 [3]2 years ago
4 0
I dont think we can see the whole problems
like half of it is cut off 

can you please fix it ?? 
thanks :3 
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What is <br> -6/5 divided by 1/2
Elden [556K]

Answer:

- 3

 5

Step-by-step explanation:

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3 years ago
Help with finding g(f(x))<br> f(x) = x squared - 3x + 2 <br> g(x)= x+2
n200080 [17]

Answer:

=x+2

Step-by-step explanation:

6 0
3 years ago
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The owner of a small pet supply store wants to open a second store in another city, but he only wants to do so if more than one-
Andrei [34K]

Answer:

The answer is "The null hypothesis was rejected".

Step-by-step explanation:

Following are the right-tailed test:

Calculating the null and alternative hypothesis:

H_0 : p = 0.3333\\\\H_a : p > 0.3333\\\\n = 150\\\\x = 64\\\\\hat{p} = \frac{x}{n} = \frac{64}{150} = 0.4267\\\\P_0 = 0.3333\\\\1 - P_0 = 1 - 0.3333 = 0.6667\\\\

z = \frac{\hat{p} - P_0}{[\sqrt{\frac{P_0 \times (1 - P_0 )}{n}}]}

   = \frac{0.4267 - 0.3333}{[\sqrt{\frac{(0.3333 \times 0.6667)}{150}}]}\\\\= 2.426

Calculating the right-tailed test:

P(z > 2.426) = 1 - P(z < 2.426) = 1 - 0.9924 = 0.0076\\\\P-value = 0.0076\\\\\alpha = 0.05\\\\P-value < \alpha

Therefore, we reject the null hypothesis.

This example shows that more than a third of the families own pets in this town.

5 0
2 years ago
The double number line shows how many bananas are needed to make 111 loaf of banana bread.
skelet666 [1.2K]

Answer:

Chart

Number of loaves    Number of Bananas

1                                    2 1/2

2                                   5                            

4                                    10

Step-by-step explanation:

My friend helped me with this and since I saw no answer here I wanted to help YOU!!!!

So the first one was easy because it already said it in the number line.

The second one you simply multiply 2x 2 1/2

The third one you multiply 4x 2 1/2.

Hope it helps! Stay safe and dont go out during Quarantine!!!!!!!!!!

5 0
3 years ago
1. What is an equation for the line with slope 2/3 and y-intercept 9?
Monica [59]
Question 1:

 The generic equation of the line is given by:
 y = mx + b&#10;
 Where,
 m: slope of the line
 b: cutting point with the y axis
 Substituting values ​​we have:
 y = \frac{2}3}x + 9&#10;
 Answer:
 an equation for the line with slope 2/3 and y-intercept is:
 y = \frac{2}3}x + 9

 Question 2:

 The standard equation of the line is given by:
 y-yo = m (x-xo)&#10;
 Where,
 m: slope of the line
 (xo, yo): ordered pair that belongs to the line
 The slope of the line is:
 m =  \frac{y2-y1}{x2-x1}
 Substituting values:
 m = \frac{1-(-3)}{3-1}
 m = \frac{1+3}{3-1}
 m = \frac{4}{2}
 m = 2&#10;
 We choose an ordered pair:
 (xo, yo) = (3, 1)&#10;
 Substituting values:
 y-1 = 2 (x-3)&#10;
 Rewriting:
 y = 2x - 6 + 1&#10;&#10;y = 2x - 5
 Answer:
 An equation in slope-intercept form for the line that passes through the points (1, -3) and (3,1) is:
 y = 2x - 5&#10;

 Question 3:

 For this case, since the variation is direct, then we have an equation of the form:
 y = kx&#10; Where,
 k: constant of variation.
 We then have the following equation:
 -4y = 8x&#10; Rewriting we have:
 y = \frac{8}{-4}x&#10;
 y = -2x&#10; Therefore, the constate of variation is given by:
 k = -2&#10;
 Answer:
 the constant of variation is:
 k = -2

 Question 4:

 For this case, since the variation is direct, then we have an equation of the form:
 y = kx&#10; Where,
 k: constant of variation.
 We must find the constant k, for this we use the following data:
 y = 24 when x = 8
 Substituting values:
 24 = k8&#10; Clearing k we have:
 k =  \frac{24}{8} &#10;
 k = 3&#10;
 Therefore, the equation is:
 y = 3x&#10; Thus, substituting x = 10 we have that the value of y is given by:
 y = 3 (10)&#10;&#10;y = 30 Answer:
 the value of y when x = 10 is:
 y = 30
6 0
3 years ago
Read 2 more answers
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