There are 48 grapes in the ball mia eat 18 her mom and 22 Graves to the bowl how many grapes are in the bowl now

Mathematics

1 answer:

otez555 [7]2 years ago

3 0

There should be 8 grapes left in the bowl

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Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 99% confidenc

quester [9]

Answer: 18

Step-by-step explanation:

The formula to find the minimum sample size is given by :_

$n=(\dfrac{z^*\cdot \sigma}{E})^2$

, where $\sigma$ = population standard deviation.

z*= critical z-value.

E= Margin of error.

Given : $\sigma= 13$

E= ± 8

We know that critical value corresponding to 99% confidence level = z*=2.576 [Using z-table]

Then, the required sample size would be :

$n=(\dfrac{(2.576)\cdot (13)}{8})^2$

$\Rightarrow\ n=(4.186)^2$

$\Rightarrow\ n=17.522596\approx18$ [Round to next integer.]

Hence, the required minimum sample size = 18

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3 years ago

Order the set of integers from greatest to least.<br> {8, 43, -25, 12, -14, 3}

Genrish500 [490]

Answer: { 3, 8, 12, 43, -14, -25 }

greastest---leastest

Step-by-step explanation:

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2 years ago

As a membership fee a health club charges a one time amount of $40 and charges $25 for each month. The total fee after m months

ICE Princess25 [194]

First you need to set up an equation y = mx + b. m would be the monthly charge and b would be the one time fee. x represents the number of months.
To solve for the number of months with a total price of 240 we substitute 240 in for y and solve for x.
240 = 25x + 40
subtract 40 from each side
200= 25x
divide by 25
8 = x
8 months

10 + 7r = 45
7r = 35
r = 5
5 miles

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2 years ago

Arrange smallest to largest 4.4 dam, 0.52 km, 620 cm

AlekseyPX

Answer:

the largest is 620cm the next is 4.4 dam and the smallest is 0.52 km