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Kruka [31]
3 years ago
12

1. A scientist is growing cell cultures and examining the effects of various substances on them as part of his research. The cul

ture in one petri dish increases according to the expression +47 + 4 for timet in minutes. Another increases according to 12 + 2t+4. He needs to feed all the cells equally, so he needs to know the expression for the total number of cells in both dishes because the food is proportional to the total number of cells. Find the expression.​
Mathematics
1 answer:
kompoz [17]3 years ago
7 0

Pay attention in class

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Need help pls!!! Hurry
Olin [163]

Answer:

A

-1÷ 5 = -0.2

-0.2×4=-0.8 = -4/5

I hope that was helpful

7 0
3 years ago
Please help, look at the picture provided. Which function has the greatest y-intercept?
ValentinkaMS [17]

Answer:

i think its -1 box but im not sure

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is -0.75 - (-2/3) +0.4 + (-3/4) =
liberstina [14]

Answer:

-0.43

Step-by-step explanation:

6 0
3 years ago
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In the diagram, R, S, and T are all points of tangency. What is the perimeter of Triangle<br> XYZ?
Molodets [167]

Answer:

54 cm

Step-by-step explanation:

Perimeter = TZ + TX + RX + RY + SY + SZ

TZ = 5 cm

TX = 13 cm

RY = 9 cm

RX = TX = 13 cm (tangents drawn from and external point)

SY = RY = 9 cm (tangents drawn from and external point)

SZ = TZ = 5 cm (tangents drawn from and external point)

Plug in the values:

Perimeter = 5 + 13 + 13 + 9 + 9 + 5 = 54 cm

7 0
2 years ago
HALPPP ILL GIVE BRAINALIST
Anestetic [448]

Answer:

1. 2 1/4

2. 8.25

3. 8 6/8

4. 51.18

5. 56.875

6. $6.22

7. 62.14

Step-by-step explanation:

8 0
3 years ago
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