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Gwar [14]
2 years ago
6

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

Mathematics
1 answer:
Aleksandr [31]2 years ago
6 0

Answer:

<u>a = 24</u>

Step-by-step explanation:

a - 1.5 = 22.5

a = 24

you can plug it into the other 2 to make sure it is right my brain hurts so i won't.

Have a nice day! :) and btw people will think it is a scam because 2 answers are allowed right so the points split in half and the person answering will only get 10 points

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What is this??? 28÷7×4=?
Tanya [424]

Answer: 16

Step-by-step explanation: 28÷7=4

                                             4×4   = 16

7 0
3 years ago
A researcher believes that 12% of a simple random sample of adults will be able to identify a Toyota Scion by brand and model na
DochEvi [55]

Answer: 650

Step-by-step explanation:

When prior estimate of population proportion is known , then the formula to find the required sample size is given by :-

n=p(1-p)(\dfrac{z^*}{E})^2

, where p= population proportion

E= margin of error

z* = Critical value.

Let p be the proportion of adults able to identify a Toyota Scion by brand and model name.

As per given , we have

p = 12%= 0.12

E= 2.5%=0.025

Critical value for 95% confidence interval : z* = 1.960  [By z-table ]

Then, the required sample size = n=(0.12)(1-(0.12))(\dfrac{1.96}{0.025})^2

n=(0.1056)(78.4)^2

n=(0.1056)(6146.56)

n=649.076736\approx650

Thus , the required sample size = 650

6 0
3 years ago
Maria bought three t-shirts at her favorite store t shirt paradise. she had a 25% of coupon and paid $45 in total.what was the o
tatiyna
Let, the original price = x
x = 45 * 125 /100
x = 45 * 1.25
x = 56.25

So, your final answer is $56.25

Hope it helped
4 0
3 years ago
Read 2 more answers
A taxi charges$2.50 plus $2 for every mile traveled. Find the number of miles traveled for a fare of $10.50.
iVinArrow [24]

Answer:

4 miles

4x2=8

8+2.50=10.50

3 0
3 years ago
What's the taxes on $1,500
Bumek [7]
It depends on the percentage rate of said tax... is the tax rate 5%? 20%?
5 0
3 years ago
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