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3 years ago

In a store, 1 can of soup costs $1.80.

Mathematics

1 answer:

Anvisha [2.4K]3 years ago

5 0

It would be $13.52 for 11 cans of soup

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Jamie made 8 1/4 cups of fruit punch for a party. Her guests drank 2/3 of the punch. How many fruit punch did her guests drink?

garri49 [273]

The answer would be 7 7/12

7 0

3 years ago

HELP/WILL REWARD!!!!!!!

SOVA2 [1]

Reflection across the x-axis followed by a reflection across the y-axis.

8 0

3 years ago

If g(x) = {(4, -5), (-3, 2), (-6, 1), (1,0)}, which set of ordered pairs represents

Ket [755]

Answer:

The inverse of g(x) is {(-5, 4), (2, -3), (1, -6), (0, 1)} ⇒ (A)

Step-by-step explanation:

To find the inverse of a function switch x and y

Example:

If f(x) = {(1, 2), (-4, 5), (0, 0)}

To find its inverse switch x and y in each ordered pair

The inverse of f(x) = {(2, 1), (5, -4), (0, 0)}

Let us do the same with our question

∵ g(x) = {(4, -5), (-3, 2), (-6, 1), (1, 0)}

→ Switch x and y coordinates in all ordered pair

∴ The inverse of g(x) = {(-5, 4), (2, -3), (1, -6), (0, 1)}

Look at the answer to find the correct choice

It is (A)

6 0

3 years ago

The radius r(t) of the base of a cone is increasing at a rate of 10 meters per second. The height h(t) of the cone is fixed at 6

IceJOKER [234]

Answer:

dV/dt = 40π

Step-by-step explanation:

We are told that The radius r(t) of the base of a cone is increasing at a rate of 10 meters per second. Thus;

dr/dt = 10 m

Height: h = 6 m

Volume of cone is given by the formula;

V = ⅓πr²h

dV/dr = ⅔πrh

We want to find the rate at which the volume is changing at radius of 1m.

Thus;

dV/dt = (dV/dr) × (dr/dt)

dV/dt = ⅔π(1 × 6) × (10)

dV/dt = 40π

8 0

3 years ago

(3 points) A survey of 15651565 people who took trips revealed that 178178 of them included a visit to a theme park. Based on th

igor_vitrenko [27]

Answer:

We fail to reject the null hypothesis at 0.05 significance level. We cannot say that less than 12% of trips include a theme park visit.

Step-by-step explanation:

let p be the proportion of trips included a visit to a theme park.

$H_{0}$ : p=0.12

$H_{a}$ : p<0.12

To test, we need to calculate test statistic of the sample proportion as:

z= $\frac{p(s)-p}{\sqrt{\frac{p*(1-p)}{N} } }$ where

p(s) is the sample proportion of trips included visit to a theme park ( $\frac{178}{1565}=0.1137$

p is the proportion assumed under null hypothesis. (0.12)

N is the sample size (1565)

Using the numbers, z= $\frac{0.1137-0.12}{\sqrt{\frac{0.12*0.88}{1565}}}$

= −0.767 and p(z) is ≈0.222

Since 0.222 > 0.05 we fail to reject the null hypothesis.

3 0

3 years ago