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In-s [12.5K]
3 years ago
13

Evaluate. 10 • [2 + (24 – 8)] ÷ 4 * A. 85 B. 9 C. 42 D. 45

Mathematics
2 answers:
ludmilkaskok [199]3 years ago
7 0
\bf 10\cdot [2+(24-8)]\div 4\implies \stackrel{\mathbb{PEMDAS}}{10\cdot [2+(16)]\div 4}\implies 10\cdot [18]\div 4
\\\\\\
180\div 4\implies 45

recall, peMDas, Multiplication and Division, from left-to-right.
oksano4ka [1.4K]3 years ago
3 0
The answer is D)45. 
I hope it helped. :)

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Candace has $20 more than Amar. Their combined money totals $95. Write a system of equations represents this situation
STALIN [3.7K]

Answer:

Candace has $57.5 and Amar has $37.5.

Step-by-step explanation:

x+(x+20)=z

x+20=y

x+y=z

--------------

2x+20=95

2x=95-20

2x=75

x=75/2

x=37.5

37.5+20=y=57.5

5 0
3 years ago
Read 2 more answers
You buy a total of 25 burgers and tacos for $67.50. The burgers cost $3.50 each and the tacos cost $2.25 each. Find the number o
Ahat [919]

Answer: you bought 9 burgers and 16 tacos

Step-by-step explanation:

Let x represent the number of burgers that you bought.

Let y represent the number of tacos that you bought.

You buy a total of 25 burgers and tacos. It means that

x + y = 25

The burgers cost $3.50 each and the tacos cost $2.25 each. The total cost of the burgers and tacos that you bought is $67.50. It means that

3.5x + 2.25y = 67.5- - - - - - - - - - - - 1

Substituting x = 25 - y into 1, it becomes

3.5(25 - y) + 2.25y = 67.5

87.5 - 3.5y + 2.25y = 67.5

- 3.5y + 2.25y = 67.5 - 87.5

- 1.25y = - 20

y = - 20/ - 1.25

y = 16

x = 25 - y = 25 - 16

x = 9

5 0
3 years ago
For example of 100 students the median is 90
jenyasd209 [6]

Answer:

How is that possible

Step-by-step explanation:

7 0
4 years ago
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How do estimate the difference of mixed numbers
avanturin [10]

Simplify then subtract.   

3 0
3 years ago
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Given that p(b|a)=0.75 and p(a)=0.35, what is p(b and a)
Nikitich [7]

Answer:

1.0125

Step-by-step explanation:

Since b/a is 0.75 and a is given as 0.35

Then let's start by solving for b

Ok...how

b/a=0.75

a=0.35

Then make b the subject of formula

b=0.75×a

Then substitute the value of a

b=0.75×0.35

b=0.2625

Let's continue

b and a means b + a

0.75+0.2625

1.0125

Therefore the final answer is 1.0125

6 0
3 years ago
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