3 years ago

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

2 answers:

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. :)

You might be interested in

The store is selling lemons at $0.39 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough l

I am Lyosha [343]

Answer: 6.24 tablespoons

Explanation: okay so if $.39 is 2 tablespoons, then you can multiply that by 8 because there are 8 tablespoons in half a cup. After you multiply that just multiply it by 2 because they are trying to make two pies. And that’s how you your answer.

5 0

2 years ago

An unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability that there is at le

hoa [83]

Answer:

0.999

Step-by-step explanation:

At least 1 correct means, 1 correct, 2 correct, 3 correct ... until 10 correct. That would be a long process to calculate.

Instead we use the complement rule to calculate.

$P(x\geq1)=1-P(x$

So we need to find P(x<1). So this is getting 0 answers correct, or 10 incorrect.

In true false question, probablity of correct is 1/2 and incorrect is 1/2, hence,

Probability of 10 incorrect is (1/2)^10

Thus,

$P(x\geq1)=1-(\frac{1}{2})^{10}=0.999$

So the answer is 0.999 (rounded to nearest thousandth)

3 0

2 years ago

On his math test, Balavan wrote that a four-sided polygon that has at least two right angles must be a rectangle or a square. De

gregori [183]

A quadrilateral with only 2 right angles could be a trapezoid so Balavan is wrong. Denna is right because if 3 angles are right angles the the fourth angle must also be a right angle and has to be a square or rectangle.

4 0

2 years ago

Read 2 more answers

On a map, there are 3 inches between two cities. The actual distance between the cities is 18 miles. What was the scale used? Pl

stira [4]

Answer is 1 in=6 miles, answer A.

5 0

2 years ago

Help!!! Please please I don’t know this at all

Lesechka [4]

Answer:

X+y=180, Y=Z, X+Z=180

Step-by-step explanation:

Hope this helps, i remember doing this lesson.

3 0

2 years ago