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miss Akunina [59]
4 years ago
11

Please answer correctly!! Will mark brainliest!!!

Mathematics
2 answers:
VLD [36.1K]4 years ago
8 0

Answer:

<em>Hello There the correct answer D. (4-1) -3</em>

<h2> Explanation</h2>

Because All you really need to divide and that how you really get the answer. Hope it helps!

vivado [14]4 years ago
6 0

Steps to solve:

\frac{4^-^3}{4^-^1}

~Use exponent rule [ \frac{x^a}{x^b}=x^a^-^b ]

4^-^3^-^(^-^1^)

~Simplify

4^-^2

~Use exponent rule [ a^-^b=\frac{1}{a^b} ]

\frac{1}{4^2}

~Simplify

\frac{1}{16}

None of the answer choices show the fully simplified version of the expression but one of the answers will be Option B.

To find the other correct answer, we can check each option.

Option A:

\frac{4^1}{4^3}

~Use exponent rule [ \frac{x^a}{x^b}=x^a^-^b ]

4^1^-^3

~Simplify

4^-^2

~Use exponent rule [ a^-^b=\frac{1}{a^b} ]

\frac{1}{4^2}

~Simplify

\frac{1}{16}

We need to go any further since we found the second correct answer.

Therefore, the answers are Option A and Option B

Best of Luck!

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Mike and Beth both write the decimal 0.8 (0.88888...)as a fraction. Mike: 45 Beth: 89 Which student wrote the correct fraction?
fenix001 [56]

Answer:

see the explanation

Step-by-step explanation:

we have

0.888...

This is a <u>repeating decimal</u> (Is a decimal that has a digit, or a block of digits, that repeat over and over and over again without ever ending)

Convert to fraction number

Let

x=0.888...

10x=8.888...

Subtract 0.888... from 8.888... to remove the decimal

10x-x=8.888...-0.888...

9x=8

Solve for x

x=8/9

therefore

Mike fraction is incorrect

because 4/5=0.8

0.8 is a <u>terminating decimal </u>(It's a decimal with a finite number of digits)

Mike's mistake was considering the number as a terminating decimal instead of a repeating decimal

Beth is correct

because

If you divide 8/9

the result is 0.8888888...

3 0
3 years ago
Sara goes to Fredonia University. She has $900 in her savings account. she needs to buy a small laptop computer before the next
podryga [215]
Given:
Saving amount = $900
Cost of Laptop = $600
Cost of food = $60 every 2 weeks

Let x be the number of times Sara can withdraw money for food. The inequality would be:

60x + 600 <u><</u> 900

60x + 600 <u><</u> 900 
 <u>       - 600      -600</u>
60x             <u><</u> 300
<u>÷ 60                 ÷60</u>
     x             <u>< </u>5

Sara can withdraw money 5 times or less for food. 
6 0
3 years ago
Read 2 more answers
Someone help me asap​
stich3 [128]

Answer: Mark uses 1 cup of Sprite if 1 cup of Sprite is used.

Step-by-step explanation:

1 cup equals 1 cup.

8 0
4 years ago
zach deposits $15,000 into his savings account. his savings account has an annual interest rate of 1.4%. how much money in inter
Orlov [11]
Do $15,000x.014x2
--
$15,000x.014=$210
$210x2=$420
3 0
4 years ago
A pair of parallel lines is cut by a transversal, as shown below: A pair of parallel lines is cut by a transversal. The interior
DiKsa [7]
See the picture attached to better understand the problem   

we know that
(x+20)+∠1=180°-------> by supplementary angles
∠1=160°-x

∠1+∠2=180°--------> by supplementary angles
∠2=180-(160-x)-----> ∠2=20+x

∠2=80°------> by corresponding angles
so
20+x=80
x=80-20-------> x=60°

the answer is
60°

5 0
3 years ago
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