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ad-work [718]
3 years ago
12

It’s me again lol pls help

Mathematics
1 answer:
bulgar [2K]3 years ago
4 0

Answer:

C

Step-by-step explanation:

This might look strange, but I would begin by adding 4y to both sides.

12x = 20 + 4y          Subtract 20

12x - 20 = 4y           Divide both sides by 4

12x/4 - 20/4 = 4y/4 Combine

3x - 5 = y

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Samantha earned $700 this summer. if she deposits the money in a savings account, how many years will it take her to earn$196 in
Gekata [30.6K]
Hi there

The formula is
T=I÷pr
T=196÷(700×0.04)
T=7 years

Hope it helps
5 0
3 years ago
Read 2 more answers
If Michelle can ride her bike 5 miles in 20 minutes, how far can she ride her bike in 50 minutes?
mash [69]

Answer:

B-10.5 miles

Step-by-step explanation:

SANA PO MAKATULONG

PAKIFOLLOW PO

8 0
3 years ago
20,I am not sure how to do it
professor190 [17]
Given:
f(x) = x^4 - x

g(x) = x^4 (even)
h(x) = -x (odd)

f(x) as a sum of an even function and an odd function

f(x) = g(x) + h(x)

s(x) = 1 / (x^4 - x)

s(x) as a sum of an even function and an odd function

s(x) = 1 / [g(x) + h(x)]
5 0
4 years ago
g Suppose you wish to perform a hypothesis test for a population mean. Suppose that the population standard deviation is known,
NikAS [45]

Answer:

z-test.

Step-by-step explanation:

We want to perform an hypothesis test for a population mean.

In the case that the <u>standard deviation of the population is known</u> and the population distribution is normal, even if the sample is small, <u>we will use a z-test</u>.

The usual case is to not know the standard deviation of the population, in which case a t-test is adequate instead of a z-test, taking into account the degrees of freedom of the sample.

5 0
3 years ago
Pls help me ill mark branliest​
vfiekz [6]

Answer:

She shouldn't tip at all since that's a ridiculous concept

Step-by-step explanation:

common sense

SORRY MADE A MISTAKE WITH THE CALCULATOR I KNEW I MESSED SOMETHING UP

The cost of the meal was $22 so that's the price plus tax and tax is 10% of the price so

cost = price + 0.1*price

cost = 1.1 * price

price = cost / 1.1

price = 22 / 1.1 = <u>20</u>

now we need 20% of that so that's

20 * 0.2 = <u>4</u>

If she's simple-minded enough to tip that would amount to <u>$4</u>

5 0
3 years ago
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