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iris [78.8K]
3 years ago
13

Declan has n baseball cards. Sam has 4 times as many baseball cards as Declan. Amaya has 7 fewer baseball cards than Sam. Which

expression represents the number of baseball cards that Amaya has?
Mathematics
1 answer:
marishachu [46]3 years ago
4 0
Answer: 4n -7

Sam has 4 times than Declan so it would 4n. Amaya has fewer so then you would add the -7 and the equation you get is 4n - 7.
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What is the unit price for trail mix if a 8 ounce bag cost $2.80.
german

Answer:

Step-by-step explanation:

2.80/8=.35 per ounce

6 0
2 years ago
Find the distance between the points (-7.2, -9.3) and (-7.2, -1.1)
AlexFokin [52]

Answer:

8.2

Step-by-step explanation:

-7.2 to -7.2 is 0

-9.3 to -1.1 is 8.2

Pythagorean theorem is a^2+b^2=c^2

0^2=0

8.2^2=67.24

0+67.24=0

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6 0
3 years ago
Where on a number line are the numbers x for which <br><br>|x|&gt;1
Andrews [41]

Answer:

Step-by-step explanation:

Given the inequality

|x|> 1

The modulus of x shows that x can be both positive and negative value.

If x is positive:

x>1

1<x

If x is negative:

-x>1

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x < -1

Combining both inequalities:

1<x<-1

Find the position on the number line in the attachment

6 0
3 years ago
Is this a funcion? Explain why.<br><br> X: -2, 0, 1, -2<br> Y:4, 5, 4, 5
Alina [70]

Answer:

<em>No</em>

Step-by-step explanation:

it isn't a Function because the Domain (X coordinate) repeats a number.

Take this note:

Domain (x) repeats: Not a function

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Hope this helps ;)

7 0
2 years ago
Read 2 more answers
8m^3 - 28m^2 + 6m - 21. You solve by factoring by grouping!!! quick please
Leya [2.2K]

Answer:

(2m - 7)(4 {m}^{2}  + 3)

Step-by-step explanation:

8m^3 - 28m^2 + 6m - 21 \\  = 4 {m}^{2} (2 {m}  - 7) + 3(2m - 7) \\  = (2m - 7)(4 {m}^{2}  + 3)

4 0
2 years ago
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