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Brilliant_brown [7]
2 years ago
11

BRAINLIEST (9th grade mathematics)

Mathematics
2 answers:
qwelly [4]2 years ago
7 0
The answer to the question is 10
liraira [26]2 years ago
6 0

Answer:

5 m/min

Step-by-step explanation:

Initial speed = 6 m/ min

Final speedd = 4 m/ min

Average\:speed\:=\:\dfrac{total\:speed}{2}

Average speed = \dfrac{ 6 + 4}{2}

Avg. Speed = 5 m / min.

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A store is having a sale on trail mix and jelly beans. For 5 pounds of trail mix and 6 pounds of jelly beans the total cost is $
inna [77]

The cost for each pound of trail mix and each pound of jelly is given below.

Step-by-step explanation:

Let t = cost/pound of trail mix

Let j = cost/pound of jelly beans

5t + 6j = 35

3t + 2j = 15  =  > 2j = 15 - 3t

5t + 3(15 - 3t) = 35

5t + 45 - 9t = 35

- 4t + 45 = 35

- 4t  =  - 10

4t = 10

t = 2.5

3(2.5) + 2j = 15

7.5 + 2j = 15

2j = 7.5

j = 3.75

7 0
3 years ago
I need to solve the linear equation:<br>5x-3=2x+15​
11111nata11111 [884]

Answer:

x=6

Step-by-step explanation:

5x-3=2x+15

5x-2x-3=15

3x-3=15

3x=15+3

3x=18

x=18/3

x=6

3 0
3 years ago
Given y = x + 1 Calculate y if x = 3. y is a natural number​
kompoz [17]

Answer:

y = 4

Step-by-step explanation:

If 3 is x than you can substitute x for 3. y = 3 + 1. Then when you add  y = 4

7 0
3 years ago
Read 2 more answers
I need help with 9 and 10
adell [148]

#9) 180 - 116 = 64

(3x -13) + ( 2x +4 ) + 64 = 180

5x - 9 + 64 = 180

5x = 180 + 9 - 64

5x = 125

x = 25

#10) 3x - 13

= (3× 25) - 13 = 62

m< A = 62°

7 0
3 years ago
A cube has six sides that are numbered 1 to 6. The sides numbered 1, 2, and 5 are green, and the sides numbered 3, 4,
Katarina [22]

Answer:

5/6

Step-by-step explanation:

The sides numbered 1,2,5 are green and 2,4,6 are even  

We cannot count the 2 twice, so there are 5 unique possibilities of getting either a green or an even

There are 6 total possibilities when rolling the die  1,2,3,4,5,6

P (green or even) = green or even/ total

                             = 5/6

8 0
3 years ago
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