2 years ago

28. Briana Miller deposited a check for $543.00 and a check for $231.12. She received

Mathematics

1 answer:

hoa [83]2 years ago

4 0

Is there any choices?

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Qbjsksnnfkkdnnwnnsiodnnjfkjbbskkxkkdn

iris [78.8K]

Answer:

There are 25 students in the class.

Step-by-step explanation:

Since we know the percentage of students who want an ice cream party is 20%, and 5 students want an ice cream party, we know that:

$\frac{5}{S}=0.2$

, where S is the total amount of students. We can then solve for S:

$\frac{5}{S}=0.2$ Given equation

$5=0.2*S$ Multiply by S

$25=S$ Divide by 0.2

Therefore, there are 25 students in the class.

7 0

2 years ago

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A computer company produces an extremely light laptop and they claim it is the lightest on the market weighing only 32 ounces. t

Darina [25.2K]

Solution: We are given:

$\mu=0.33, \sigma =0.7$

Let $x$ be the weight (oz) of laptop

We have to find $P(x>32)$

To find the this probability, we need to find the z score value.

The z score is given below:

$z=\frac{x-\mu}{\sigma}$

$=\frac{32-33}{0.7}$

$=-1.43$

Now, we have to find $P(z>-1.43)$

Using the standard normal table, we have:

$P(z>-1.43)=0.9236$

0.9236 or 92.36% of laptops are overweight

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2 years ago

Parallel lines s and t are cut by a transversal, r, as shown

Natalija [7]

Answer:

Step-by-step explanation:

i just took the test and got a 100% :)

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2 years ago

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What is 1/3. of 4/5 I need help

levacccp [35]

To do this multiply 1 by 4, then 3 by 5. 4 over 15 is your answer.

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3 years ago

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Evaluate the expression when p = 4. p^2+5 no links pls

inna [77]

Answer:

Step-by-step explanation:

when p is 4

p² + 5 = 4² + 5

16 + 5 = 21

7 0

2 years ago