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nalin [4]
4 years ago
14

A bank wants to get new customers for their credit card. They try two different approaches in their marketing campaign. The firs

t promises a "cash back" reward, and the second promises low interest rates. A sample of 500 people is mailed the first brochure; of these, 125 get the credit card. A separate sample of 500 people is mailed the second brochure; 150 get the credit card. Are the two campaigns equally attractive to customers? Find the test statistic.
a. z = -1.89
b. z = 2.80
c. z = 0.25
Mathematics
1 answer:
AleksandrR [38]4 years ago
7 0

Answer:

the answer is z = 2.80*****

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Given point (-6, -3) and a slope of 4, write an equation in point-slope form. A. y - 3 = 4(x - 6) B. y + 3 = 4(x - 6) C. y + 3 =
erma4kov [3.2K]

Answer:

C

Step-by-step explanation:

So we have the point (-6,-3) and a slope of 4.

And we want to write this into point-slope form.

The point-slope form is:

y-y_1=m(x-x_1)

Therefore, substitute in 4 for m and let (-6,-3) be x₁ and y₁, respectively.

Therefore:

y-(-3)=4(x-(-6))

Two negatives make a positive:

y+3=4(x+6)

The answer is C

8 0
4 years ago
Duval County Landscaping uses two different sized trucks to deliver mulch. The first truck can transport x cubic yards of mulch,
Gre4nikov [31]
For this case, the first thing we must do is define variables.
 We have then:
 x: number of cubic yards of mulch that first truck can transport
 y: number of cubic yards of mulch that second truck can transport
 Now we write the expression.
 The first truck makes 12 trips to a job site:
 12x

 The second makes 14 trips:
 14y

 The difference between the first truck and the second truck is:
 12x - 14y
 Answer:
 
An expression that represents the difference in the total number of cubic yards that the first truck delivers compared to the second is:
 
12x - 14y
8 0
3 years ago
Read 2 more answers
I need help for b) so Please help
murzikaleks [220]

Answer:

5

Step-by-step explanation:

There are 5 domains

3 0
3 years ago
Can someone explain this
dolphi86 [110]
<h3>Answer:   28</h3>

=========================================================

Explanation:

Let x be the unknown angle we want to find. This angle is in degrees.

The diagram shows 19 is the opposite of this angle, and the side 35 is adjacent to the angle.

We use the tangent ratio to tie the two sides together

\tan(\text{angle}) = \frac{\text{opposite}}{\text{adjacent}}\\\\\tan(x) = \frac{19}{35}\\\\x = \tan^{-1}\left(\frac{19}{35}\right)\\\\x \approx 28.4956386\\\\x \approx 28\\\\

Note: The notation \tan^{-1} refers to the inverse tangent, or arctangent.

6 0
3 years ago
Please help me to solve this!
OleMash [197]

Answer:

6

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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