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2 years ago

12

An adult pass at the amusement part costs 1.6 times as much as a child's pass. How many dollars does an adult pass cost if a chi

ld's pass costs $16.25?

2 answers:

Ivenika [448]2 years ago

5 0

The answer is $26 hope i helped

julia-pushkina [17]2 years ago

3 0

Answer:

$26

Step-by-step explanation:

16.25 x 1.6

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) In 2005, the Health Department in Marion County, Indiana measured the heights and weights of 90,147 school-age children, allow

Lena [83]

Answer:

Since the calculated z=40 falls in the critical region this indicates that the true obesity rate for children in Marion County is different from the national average at the 0.05 significance level. We reject the null hypothesis that population proportion is 0.17.

Step-by-step explanation:

The national average is 17% .The z proportional hypothesis test is used.

1) Let the null and alternate hypothesis be

H0: p =0.17

against the claim

Ha: p ≠ 0.17

Choose the significance level ∝= 0.05

The critical region is z > 1.96 and Z <- 1.96 because it is two tailed test.

Computing

z= p^-p / sqrt [pq/n]

Z= 0.22-0.17/ √0.17*(1- 0.17)/90147

z= 39.965

Since the calculated z=40 falls in the critical region this indicates that the true obesity rate for children in Marion County is different from the national average at the 0.05 significance level. We reject the null hypothesis that population proportion is 0.17.

3 0

2 years ago

The coordinates of trapezoid ABCD are A(−4, 3), B(2, 3), C(4, −1) and D(−4, −1). A line segment runs through the trapezoid with

madam [21]

The distance from point Y to the y-axis is 4 units and the distance from point Z to the y-axis is 3 units, then the lelgth of the segment YZ is 4+3=7 units.
If <span>a scale factor is 3, then the length of Y'Z' will be 7·3=21 units.
</span>
P.S. In the added picture you can see trapezoid ABCD that was dilated by a scale factor 3 about the origin. This may help to understand that all linear values after dilation become multiplied by scale factor.
<span> </span>

5 0

2 years ago

Read 2 more answers

The estimated regression equation is = 7.6 + .9x. what is the value of the standard error of the estimate (to 2 decimals)?

kupik [55]

Any answer things? :/

4 0

2 years ago

55% decrease followed by a 25% increase

Lostsunrise [7]

Changed both of them to a fraction

7 0

3 years ago

The difference between a number divided by 3 and 4 is 20

Rzqust [24]

Set the number to x.

$\frac{x}{3}-\frac{x}{4}=20$
$\frac{4x}{12}-\frac{3x}{12}=20$
$\frac{x}{12}=20$
$x=240$

Thus, the number is 240.

8 0

2 years ago