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devlian [24]
3 years ago
10

7a − 5 = −215!!!!!!!!!!!!!!!!!111!!!!!!1!!11

Mathematics
1 answer:
andrey2020 [161]3 years ago
8 0

Answer:

a = 30

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ;)

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Stephen record the growth of a plant over 10 weeks for his science project he made a graph that shows how much the plant group e
vazorg [7]

Answer:

y= 6/5x + 2

If you substitute the points (5,8) you get:

8 = 6/5 × 5 + 2

8 = 6 + 2

Step-by-step explanation:

5 0
3 years ago
Four movie tickets cost $26.00 . How much do seven movie tickets cost?
sashaice [31]

Answer:

Hi! I suggest reading the explanation, it will help make this equation more simple.

↓↓↓

The answer is $45.50

Step-by-step explanation:

First, divide 26.00 by four. This will give you 6.5, so now you know that each ticket individually costs $6.5 or $6.50.

next, multiple 6.50 by 7.

this will give you 45.5 or $45.50.

double check your answer by dividing 45.50 by 7.

your answer should be 6.5 on a calculator.

that's all! hope this helped.

7 0
2 years ago
Mrs.Cranston bought five bottles of water for $0.90 each and 8 pounds of meat. She paid a total of $26.90 for these items, not i
Morgarella [4.7K]
Water = 5 bottles * $0.90 = $4.50
meat = 8 pounds * x amount.

Total = water + meat prices = $26.90
26.90 = $4.50 + 8x
22.40 = 8x
2.8 = x

The price per pound of meat is $2.80.
6 0
3 years ago
A jet travels for 410 miles in 2 hours. at this rate how far could the jet fly in 14 hours? What is the rate of speed of the Jet
Kobotan [32]

410/5 = ?

410/5 = 82

82 miles per hour

82*12 = ?

82*12 = 984

Answer: 984 miles in 12 hours

3 0
3 years ago
Imagine an experiment with 20 groups, and within each group, there are 50 participants. How many degrees of freedom are there fo
Yuliya22 [10]

Answer: There are 980 degrees of freedom for the within subjects factor.

Step-by-step explanation:

Since we have given that

Number of groups = 20

Number of participants in each group = 50

So, number of participants in 20 groups is given by

20\times 50\\\\=1000

As we know that

Degrees of freedom for the within subjects factor would be

v=n-k\\\\v=1000-20\\\\v=980

Hence, there are 980 degrees of freedom for the within subjects factor.

6 0
3 years ago
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