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SOVA2 [1]
3 years ago
8

Which mapping diagram does not represent a function? es A) 2 26 347 4 8 B) 2 37 4 18 C) B 2 6 3-47 4 8 D) 2 3 4 6 7 8​

Mathematics
1 answer:
Jobisdone [24]3 years ago
4 0

Answer:

I think it is A

Step-by-step explanation:

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Explain how the following inequality can be used to find the number of toys you can afford to buy. 150≤ 11x + 10 ≤ 450
irakobra [83]

Answer:

The maximum number of toys you can afford to buy is 40

Step-by-step explanation:

Let

x -----> the number of toys

we have the compound inequality

150\leq 11x+10\leq 450

Divide into two inequalities

150\leq 11x+10 -----> inequality A

11x+10\leq 450 ----> inequality B

<em>Solve the inequality A</em>

150-10\leq 11x

140\leq 11x

Divide by 11 both sides

12.7\leq x

Rewrite

x\geq 12.7

<em>Solve the inequality B</em>

11x\leq 450-10

11x\leq 440

Divide by 11 both sides

x\leq 40

The solution for x is the interval  ----> [13,40}

Remember that the number of toys must be a whole number

The domain is all whole numbers greater than or equal to 13 toys and less than or equal to 40 toys

therefore

The maximum number of toys you can afford to buy is 40

8 0
3 years ago
Eric was rock climbing. At one point, he stopped and climbed straight down 2 1/2 METERS
sasho [114]

Answer:

+4\frac{1}{4} meters

Step-by-step explanation:

Let's take climbing down as "negative" and climbing up as "positive". Now, we can simply use the numbers and signs to find the change in elevation.

  • 2\frac{1}{2} meters down means -2\frac{1}{2}
  • 6\frac{3}{4}meters up means +6\frac{3}{4}

So, now we have:  -2\frac{1}{2}+6\frac{3}{4}\\=-\frac{5}{2}+\frac{27}{4}\\=\frac{-5(2)+27}{4}\\=\frac{-10+27}{4}\\=\frac{17}{4}=4\frac{1}{4}

<u>Eric's elevation changed  4\frac{1}{4} meters above. So after the 2 moves, he is up by  4\frac{1}{4} meters.</u>

3 0
3 years ago
Read 2 more answers
What is the solution for this inequality? <br><br>need help fast please!​
nevsk [136]

Answer:

x\geq -4

Step-by-step explanation:

-10x\leq 40

divide by -10, which means you need to flip the inequality sign since youre dividing by a negative number

x\geq -4

8 0
3 years ago
Read 2 more answers
A washer and a dryer cost $1039 combined. The washer costs $89 more than the dryer. What is the cost of the dryer?
Maru [420]

Answer:

475

1039 - 89 = 950

950  \div 2 = 475

7 0
2 years ago
Read 2 more answers
How can division be represented by using a fraction?
IRINA_888 [86]
A fraction is just the easier, cleaner way of writing a division problem

the numerator is the number you are dividing

the denominator is the number you are dividing with

EX- 2 divided by 3 as a fraction is
2/3
8 0
3 years ago
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