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Anna11 [10]
3 years ago
12

PLEASE HELP

Mathematics
1 answer:
aliina [53]3 years ago
6 0
Would you be seven?
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Solve the system by substitution.<br> y = -2<br> y =<br> 5x + 40
Colt1911 [192]

Answer:

x = 8.4

y = -2

Step-by-step explanation:

Step 1: Sub y=-2 into y=5x + 40

-2 = 5x + 40

Step 2: Solve for 'x'

-2 = 5x +40

-42 = 5x

x = 42/5

x = 8.4

Step 3: Solve for 'y'

y is given in the question, y=-2

4 0
3 years ago
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In the book Essentials of Marketing Research, William R. Dillon, Thomas J. Madden, and Neil H. Firtle discuss a research proposa
Ratling [72]

Answer:

The null hypothesis is given as H_o : p_1-p_2=0 while the alternate hypothesis is H_A: p_1-p_2\neq 0

Step-by-step explanation:

As per the the given data

p1=Proportion of Homeowners who would buy the security system

p2=Proportion of Renters who would buy the security system

As the null hypothesis states that there is no difference in the test thus it is given as

H_o : p_1-p_2=0

This states that there is no difference between the probabilities of the homeowners buying the security system and the renters buying the security system.

The Alternative hypothesis is the other possibility of the null hypothesis. i.e It negates the null Hypothesis and is given as

H_A: p_1-p_2\neq 0

3 0
4 years ago
Witch value of x is in the solution of the following inequality -3x+5&gt;17\
MA_775_DIABLO [31]

The answer is D. -3x+5=17 you subtract 5 on both side and you will get 12 then divide it by -3.

8 0
4 years ago
300 has how many<br> 2/3 in it?
coldgirl [10]
450


hope this helps !!!
8 0
3 years ago
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What is the constant rate change shown in the graph below?​
ohaa [14]
The constant rate of change is 5 because
3 0
3 years ago
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