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Verizon [17]
3 years ago
11

Solve this problem, and identify the percent, amount, and base. What percent of 60 is 45?

Mathematics
2 answers:
laila [671]3 years ago
8 0
Over all answerrr 75
Mashutka [201]3 years ago
3 0

Answer:

I'm pretty sure it's the last one.

Step-by-step explanation:

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PLEASE HELP ME ASAP.
nasty-shy [4]

Answer:what number?

Step-by-step explanation:

3 0
3 years ago
Which is the best example of anticipating a potential accident in a science lab? A student skips the instructions because she ha
VikaD [51]

Answer: C

Step-by-step explanation:

i took the test

7 0
3 years ago
How do you solve this problem? population proportion is to be estimated from a sample of 400 with a sample proportion of 0.1. Ap
Ivan

Answer:

(0.0706, 0.1294)

Step-by-step explanation:

Confidence interval of a proportion is:

CI = p ± CV × SE

where p is the proportion,

CV is the critical value (z score or t score),

and SE is the standard error.

The sample is large enough to estimate as normal.  For 95% confidence level, CV = z = 1.96.

Standard error for a proportion is:

SE = √(pq/n)

SE = √(0.1 × 0.9 / 400)

SE = 0.015

The confidence interval is:

CI = 0.1 ± (1.96)(0.015)

CI = (0.0706, 0.1294)

Round as needed.

6 0
3 years ago
What is the midpoint of GH? G(7,-5) H(9,-1)
aev [14]
8,-3 is your midpoint
3 0
3 years ago
Help Brian and Chris went together to Target to find party favors for a birthday party they are throwing together.
rusak2 [61]

(a) Let x be the cost of one of Brian's items, then cost of all 4 items bought by Brian will be 4x.

We have been given that Chris bought 3 items that each cost $2.50 more than Brian’s items each cost. The price of each item bought by Chris will be x+2.5. Therefore, the cost of all 3 items bought by Chris will be 3(x+2.5).

(b) We are told that Brian and Chris both paid the same amount of money, so we can equate costs of Brian's 4 items and Chris's 3 items as:

4x=3(x+2.5)

Now let us solve for x by distributing 3.

4x=3x+7.5

4x-3x=7.5

x=7.5

Therefore, cost of Brian's each item is $7.5.

Now let us find price of Chris's each item.

\text{Cost of Chris's each item}=x+2.5=7.5+2.5=10

Therefore, cost of Chris's each item is $10.

(c) Now let us check our solution by substituting x=7.5 in 4x=3(x+2.5).

4(7.5)=3(7.5+2.5)

4(7.5)=3(10)

30=30

We can see that both Brian and Chris spent equal amount of money that is $30, therefore, our solution is correct.


5 0
3 years ago
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