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Jobisdone [24]
3 years ago
10

If 7x-2y=z then -14x+4y+3z

Mathematics
1 answer:
creativ13 [48]3 years ago
8 0
I'm confused what are you suppose to do
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If f(x)=2x and g(x)=x^2 -1, which statement is true?
choli [55]

Answer: D

<u>Step-by-step explanation:</u>

f(x) = 2x     g(x) = x² - 1

f(g(x)) = 2(x² - 1)

         = 2x² - 2

g(f(x)) = (2x)² - 1

         = 4x² - 1

8 0
3 years ago
What is the square root of r^64?
Jet001 [13]

Answer:

8

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Ms. Placencio weighed 153 pounds in 2018. She now weighs 132 pounds. What is the percent change round to the nearest tenths plac
Lera25 [3.4K]

Answer:17.7%

Step-by-step explanation:

132      x

____=_____

153      100

132(100)=153(x)

13200=153x

__________

153        153

x=82.3

100-82.3=17.7

4 0
3 years ago
Please help me answer this for me please
slamgirl [31]

Answer:

first one is 5.8

second on is 4.47 round

third one is 1.92

Step-by-step explanation:

8 0
3 years ago
You have $200 in a savings account.Each week for 8 weeks,you take out $18 for spending money.How much money is in your account a
g100num [7]

The amount of money in your account is mathematically given as

x = $56

This is further explained below.

<h3>What is an account?</h3>

Generally, An account is a term used in accounting to refer to assets, liabilities, income, costs, and equity.

In bookkeeping, an account is represented by a single page in a ledger, and any changes in value are chronologically documented using debit and credit entries.

These entries, which are also known as posts, are added to a book of final entries or ledger and form a part of it.

In conclusion, the amount of money in your account will be

18 * 8 = 144

Therefore

x=200 - 144

x = $56

Read more about the account

brainly.com/question/22917325

#SPJ1

5 0
1 year ago
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