MATHEMATICS HIGH SCHOOL

What is –4 • 6 • (–9)? A.
–216

B.
216

C.
–90

D.
90

Answers

Answer 1
Answer: it's 216 because you would just do the equation from left to right since pemdas doesn't really effect the order here
Answer 2
Answer: Hi there! -4*6=-24. Now, we have (-24)(-9), (-24)(-9)=216. Therefore, your answer is B. 216

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I DON'T NEED HELP ANY MORE THX FOR ALL THE NON EXISTENT ANSWERS REALLY APPRECIATE IT

Answers

yeah no problem wish I cudve helped u

What is the relationship between ratios 10/24 and 5/12, proportional or non-proportional? A. Proportional B. Non-proportional

Answers

Answer:  Proportional

Reason: The fractions 5/12 and 10/24 are equal.

To go from 5/12 to 10/24, double both top and bottom

5*2 = 10

12*2 = 24

To go in reverse, divide both parts by 2

10/2 = 5

24/2 = 12

Select the proper order from least to greatest for 1/2 ,5/6 , 2/7 , 4/2a) 4/2 , 5/6, 1/2, 2/7

b) 4/2, 2/7, /6, 1/2

c) 2/7, 1/2, 5/6, 4/2

d) 2/7, 5/6, 1/2, 4/2

Answers

C. 2/7, 1/2, 5/6, 4/2

Evaluate the following expression using the values given:Find -3a2 - b3 + 3c2 - 2b3 if a = 2, b = -1, and c = 3.

Answers

-3(2^2) - 3(-1) + 3(3^2) - 2(-1^3)
-3(4) - 3(-1) + 3(9) - 2(-1)
-12 + 3 + 27 + 2
-9 + 27 + 2
18 + 2
20

The cost to rent a construction crane is $750 per day plus $250 per hour of use. What is the maximum number of hours the crane can be used each day if the rental cost is not exceed $2500 per day ? Write amd solve the inequality

Answers

Let's use x to represent the number of hours since we don't know that.

750+250x<2500
Subtract 750 from both sides.
250x<1750
Divide both sides by 250.
x<7
The most hours that they can do is 7, or it can be less. 

Answer:

x = 7

Step-by-step explanation:

x= number of hours

"cost is not exceed $2500 per day"

not exceed = less than

750+250x < 2500

250x< 2500-750

250x < 1750

x < 1750/250

x<7

7 hours

Can you slove this 6=2(y+2)

Answers

Answer:

y=1

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

6=2(y+2)

6=(2)(y)+(2)(2)(Distribute)

6=2y+4

Step 2: Flip the equation.

2y+4=6

Step 3: Subtract 4 from both sides.

2y+4−4=6−4

2y=2

Step 4: Divide both sides by 2.

2y/2  2/2
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