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Kay [80]
3 years ago
7

Help pls!! math.. PLS HELPPP

Mathematics
2 answers:
Serga [27]3 years ago
8 0

Answer:

C

Step-by-step explanation:

no need?

AURORKA [14]3 years ago
4 0

Answer:a

Step-by-step explanation:

You might be interested in
Which equation represents this sentence? One-half the sum of a number and four is three less than the quotient of five and the n
ehidna [41]

Answer:

Step-by-step explanation:

"one half the sum of a number and 4" is (1/2)(n + 4)

"three less than the quotient of 5 and the number" is 5/n - 3

putting this all together, we get

(1/2)(n + 4) = (5/n) - 3

6 0
3 years ago
Help me please! will mark brainliest for the correct answer
IceJOKER [234]

Answer:

see explanation

Step-by-step explanation:

Using the rules of exponents

a^{m} × a^{n} ⇔ a^{(m+n)}

(a^m)^{n} = a^{mn}

a^{-m} ⇔ \frac{1}{a^{m} }

Thus

4^{3x-2}

= 4^{3x} × 4^{-2}

= (4^3)^{x} × 4^{-2}

= 64^{x} × \frac{1}{4^2}

= \frac{64^{x} }{16} ← as required

4 0
3 years ago
What is the solution to the proportion? 45/n=9/11 A.n=2.2 B.n=36.8 C.n=55 D.n=90
Ostrovityanka [42]
The answer is:  [B]:  " n = 36.8 "  .
______________________________________________________
Explanation:
_________________________________________________________
45/n = 9/11 ;

11n = 9 * 45;

11n =   405;

11n / 11 = 405/11;

n = 36.8181818181818182 ----->  answer choice:  "B".
________________________________________________
8 0
4 years ago
What is 11.52/128 show your work
grandymaker [24]

Answer:

The answer is

<h2>9/100</h2>

Step-by-step explanation:

11.5/128

First convert the decimal to an improper fraction

That's

11.52 =  \frac{288}{25}

So we have

\frac{288}{25}  \div 128

Change the division sign to multiplication sign and reverse the second number

That's

\frac{288}{25}  \times  \frac{1}{128}

Simplify

\frac{288}{3200}

Divide through by 32

The final answer is

\frac{9}{100}

Hope this helps you

6 0
4 years ago
A family pays $45 each month for cable television. The cost increases 7% . What is the new monthly cost?
Shtirlitz [24]
48.15 because 7% of 45 is 3.15, and 45+3.15 is 48.15
8 0
3 years ago
Read 2 more answers
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