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8090 [49]
3 years ago
7

If x>0, what values of c and d make the equations true?

Mathematics
2 answers:
Dominik [7]3 years ago
6 0

Answer:

a=7

b=5

Step-by-step explanation:

pantera1 [17]3 years ago
5 0

Answer:

In equation A, c = 7

In equation B, d = 5

Step-by-step explanation:

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What is the volume of a rectangular prism length 12ft height 14ft width 17ft
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Answer:  <span>2,856 ft³ .</span>
_____________________
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The "base area" is the area of the rectangle:

(Area = length  width; or, "L * w").
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6 0
3 years ago
Consider random samples of size 58 drawn from population A with proportion 0.77 and random samples of size 70 drawn from populat
fredd [130]

Answer:

Step-by-step explanation:

a) The formula for determining the standard error of the distribution of differences in sample proportions is expressed as

Standard error = √{(p1 - p2)/[(p1(1 - p1)/n1) + p2(1 - p2)/n2}

where

p1 = sample proportion of population 1

p2 = sample proportion of population 2

n1 = number of samples in population 1,

n2 = number of samples in population 2,

From the information given

p1 = 0.77

1 - p1 = 1 - 0.77 = 0.23

n1 = 58

p2 = 0.67

1 - p2 = 1 - 0.67 = 0.33

n2 = 70

Standard error = √{(0.77 - 0.67)/[(0.77)(0.23)/58) + (0.67)(0.33)/70}

= √0.1/(0.0031 + 0.0032)

= √1/0.0063

= 12.6

the standard error of the distribution of differences in sample proportions is 12.6

b) the sample sizes are large enough for the Central Limit Theorem to apply because it is greater than 30

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2 years ago
3. R: {(1, 2), (2, 2), (−1, −2), (−3, 4)}?
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3 years ago
Kathy buys a bicycle after a 30% markdown. The original price was $490.00. What did<br> she pay?
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Answer:

$343

Step-by-step explanation:

To get 30% of 490 we divide 30% by 1

30% ÷ 1 = 147

Now, we subtract 490 by 147

490 - 147 = 343

4 0
3 years ago
Which of the following numbers has an odd number of factors 13,15,25,26?
kvv77 [185]

Answer:

25. Its cubed.

Step-by-step explanation:

7 0
3 years ago
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