All categories

3 years ago

PLZ HELP ASAP! URGENT! Plz help me solve without using algebra plz, our teacher doesn’t allow us to use it. TYSM!!!

Mathematics

1 answer:

Cloud [144]3 years ago

6 0

Your teacher is right. There is no reason to use algebra, which is misused in many problems as a shortcut, and slows the actual learning of math skills.

Here, the solution is as follows:
1. Find the volume of water in tank X.
2. Find the TOTAL base area of the three tanks, imagine that you have a larger tank with the same base area as the sum of the three.
3. Find the height of water in the new tank.

1. Find the volume of water in tank X.
Volume = 32*20*39.5=25280 cm^3

2. Find the TOTAL base area of the three tanks, imagine that you have a larger tank with the same base area as the sum of the three.
Total base area = 32*20 + 30*16 + 20*8 = 640+480+160 = 1280 cm^2

3. Find the height of water in the new tank
Height = Volume / base area
= 25280 / 1280
= 19.75 cm

You might be interested in

Emily got a new job that guarantees her at 6% raise every year.If she started out making $25,000,How long will it be before she

Nadya [2.5K]

Hello from MrBillDoesMath!

Answer: about 12 years ( approx 11.9 years)

Discussion:

Salary at ...

end of year 1: 25000 + (.06) * 25000

end of year 2: (salary at end of year 1) +

.06(salary at end of year 1) =

(25000 + (.06)*25000) +

.06 (25000 + (.06)*25000)

The bold faced terms are the same. Factor out the boldfaced term to

get

(25000 + .06*25000) ( 1 + .06)

Factor 25000 out to get

25000 * (1 + .06) * (1+ .06)

The last two terms multiple out to give (1 + .06)^2

so....

end of nth year salary is

25000 * ( 1 + .06) ^n

To double her salary we need to find "n" such that

50000 = 25000 ( 1.06) ^ n

Dividing both sides by 25000 gives

2 = 1.06 ^n

Taking the logarithm of both sides gives:

log2 = n * log (1.06) or

n = log2 / log(1/06)

This is approximately 0.3010 / 0.0253 or about 11.9 years.

Thank you,

MrB

3 0

3 years ago

A university business school is interested in the difference of GPAs across majors. They collect a sample of 7 students from eac

nydimaria [60]

Answer:

Step-by-step explanation:

Hello!

For this it's been made an ANOVA for four different variables, this means, in the null hypothesis there were four population means tested. When you reject the null hypothesis, you can assume that at least one of the GPA for the four majors is different. To know which one is different, or, if the GPA of finance students is different from the accounting students, you'll have to do an individual test between these two populations.

Hope you have a SUPER day!

6 0

4 years ago

What theorem can be used to prove the 2 triangles similar?

ASHA 777 [7]

Answer:

C. SSS

Step-by-step explanation:

$\frac{AB}{SQ} = \frac{AC}{SR} = \frac{BC}{QR} = 2$

Thus, the ratio of the corresponding side lengths of both triangles are equal. This implies that all three corresponding side lengths of both triangles are proportional to each other.

Consequently, based on the SSS Criterion, we can conclude that both triangles are similar to each other.

6 0

3 years ago

What is 1/6 times 1/6

Murljashka [212]

1/6* 1/6. Multiply the top number and the bottom numbers and you have 1/36.

5 0

3 years ago

Read 2 more answers

Write the numbers in order from least to greatest

spayn [35]

C.) -4, -7/5, 1/6, 1.6, $\sqrt{6}$