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ANTONII [103]
2 years ago
15

~!!!! HELPPPPPPPPP IM IN 7Th GRADE LEARNING 9TH AND 8TH HELP PLEASE !!!!~

Mathematics
1 answer:
Dafna1 [17]2 years ago
5 0

Answer:

Step-by-step explanation:

Plug the point (-1,20) into the equation.

20 = a|-1|+7

13 = a|-1|

13 = a ⋅ 1

a= 13

:::::

(1,20) is another point on the graph.

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An officer printer prints 25 photos in 12.5 minutes. A home printer prints 15 photos in 6 minutes. Which printer is faster, How
ollegr [7]

Answer:

The home printer is faster.

Step-by-step explanation:

25 photos in 12.5 minutes

12.5 is half of 25 and therefore this is a two to one ratio.

So 2 photos print in 1 minute with the office printer.

And 4 photos in 2 minutes(this is relevant later)

The home printer prints 15 photos in 6 minutes. Since 15 is not divisible by 6 without a remainder divide both by 3.

So 5 photos in 2 minutes. This is faster than the office printer.

To find how many photos it would print in 12 more minutes, simply multiply 15 by two, since the minutes(6) was multiplied by 2 to get 12. This leaves you with an answer of 30 photos in 12 minutes

7 0
3 years ago
Read 2 more answers
Make d the subject of the formula h=<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bd%7D%7B3%7D" id="TexFormula1" title="\frac{d}{3}
lakkis [162]
First you would subtract 2 to get d/3 by itself. On the left side you would have h-2 and one the right d/3 (h-2=d/3). Then you divide by 3 to get d by itself. So the answer is h/3-2/3=d
4 0
3 years ago
6, 1, -4, -9,...
kykrilka [37]
Texaschic nailed it when saying that it's arithmetic

The recursive way to write this is to say

a_1 = 6
a_n = a_{n-1} - 5

which tells us "start at 6 and each time subtract off 5"

The a_n portion is the nth term while a_{n-1} is the term just before the nth term
3 0
3 years ago
20/100 equivalent answers
Karolina [17]

Answer:

1/50,

2/10,

10/50,

20/100,

40/200,

80/400

160/800

Multiply the common denominator and numerator by a number.

4 0
3 years ago
Read 2 more answers
Linda is running the concession stand at a basketball game. She sells hot dogs fir $2 and drinks for $1.50. She made a total of
Ede4ka [16]

Answer:

53 hotdogs

Step-by-step explanation:

1.50 x 64 = 96

202 - 96 = 106

106 ÷ 2 = 53

6 0
3 years ago
Read 2 more answers
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