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Aloiza [94]
3 years ago
8

The price of a hamburger at McBeef’s increased from 50 cents to 60 cents. What is the percent increase?

Mathematics
1 answer:
Mashcka [7]3 years ago
8 0

Answer:

20%

Step-by-step explanation:


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Solve: √x=25. Explain how you found your answer. Explain how to check your work.
Zigmanuir [339]

\sqrt{x}  = 25 \: (square \: both \: side) \\  {( \sqrt{x} )}^{2}  =  {25}^{2}  \\ x = 625 \\ test \\  \\  \sqrt{625}  = 25

4 0
2 years ago
What is 8.25 as a fraction in simplest form?
vekshin1
8 is a whole number, so this will be the whole number part of our mixed number.

0.25 is a decimal, where 25 is in the HUNDREDths place, so we write 25 as a fraction over 100.

\sf\dfrac{25}{100}

Simplify by dividing 25 to the numerator and denominator.

\sf25\div25=1
\sf100\div25=4

So our fraction is \sf8\dfrac{1}{4}

0.55 is a decimal, where 55 is in the HUNDREDths place, so we write 55 as a fraction over 100.

\sf\dfrac{55}{100}

Simplify by dividing 5 to the numerator and denominator.

\sf55\div5=11
\sf100\div5=20

So our fraction is \sf\dfrac{11}{20}

\sf\dfrac{5}{8}

To convert this to a decimal, just divide 5 / 8

\sf5\div8=0.625
3 0
3 years ago
Read 2 more answers
Find the solution to the system of equations x + y = 9 and x - y = -1.
Galina-37 [17]

Answer:

(4, 5 )

Step-by-step explanation:

x + y = 9 → (1)

x - y = - 1 → (2)

adding the 2 equations term by term will eliminate y

2x + 0 = 8

2x = 8 ( divide both sides by 2 )

x = 4

substitute x = 4 into either of the 2 equations and solve for y

substituting into (1)

4 + y = 9 ( subtract 4 from both sides )

y = 5

solution is (4, 5 )

6 0
2 years ago
Read 2 more answers
azul is planting a vegetable garden. he is using a bag of marbles to determine how many of each veggie to plant. his bag contain
kaheart [24]
1. Total number of marbles=10 red marbles+80 green marbles+110 orange marbles=200 marbles
2. Let's call "V" the event that consists that he selects a green marble from the bag. Then:
 P(x)=80/200
 P(x)=0.4

 3. This problem can be represented by a binomial distribution, where:

 P=0.4
 q=1-P=0.6
 n=50

 4. The expect value in a binomial function is written as below:

 E(x)=nxP
 E(x)=50x0.4
 E(x)=20

 The answer is: He can expect 20 zucchini.
3 0
3 years ago
Read 2 more answers
Help meee if answer correctly I will follow you and make you brilliant ​
Ratling [72]

Answer:

a = 2; b = -1; and c = 3

Step-by-step explanation:

Please see attached image for the step by step answer

4 0
3 years ago
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