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pochemuha
2 years ago
12

There are nine different types of bacteria on the Petri dish.

Mathematics
1 answer:
Olenka [21]2 years ago
5 0

37 percent of the bacteria on the Petri dish is type 3

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Uncle Jason is twice as old as his nephew Ralph, and 10 years ago he was three times as old as Ralph. Find their present ages.
cluponka [151]

Answer:

40 and 20

Step-by-step explanation:

  • Uncle Jason's age = x
  • Nephew Ralph age = y
<h3>Solution</h3>

<u>Age now:</u>

  • x= 2y

<u>Age 10 years ago: </u>

  • x- 10 = 3(y-10)

<u>Substituting x in the second equation:</u>

  • 2y - 10 = 3y - 30
  • 3y - 2y = 30 -10
  • y = 20

<u>Then, finding x:</u>

  • x= 2y
  • x= 2*20
  • x= 40

<u>Answer:</u> Uncle Jason is 40 and nephew Ralph is 20 years old

7 0
3 years ago
19. Each column corresponds to a probability: 90%, 50%, 25%, 10%, |_%,<br> %
mel-nik [20]

Answer: -9%

Step-by-step explanation:

5 0
2 years ago
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TiliK225 [7]

Answer:

Step-by-step explanation:

First, you want to do inverse operations like I said on the last equation

Just divide  -4 with 64

You have to flip the inequality sign because you divided by a negative

Answer: g ≥ -16

Now what is greater than or equal to  -16?

Answer =  

-16

-11

-6

-13

5 0
2 years ago
How do you factor quadratics into binomials
fomenos

Answer:

Step-by-step explanation:

Step 1: Write the equation in the correct form. In this case, we need to set the equation equal to zero with the terms written in descending order.

Step 2: Use a factoring strategies to factor the problem.

Step 3: Use the Zero Product Property and set each factor containing a variable equal to zero.

8 0
3 years ago
Please help me with this
Nina [5.8K]
The answer to this question is side KL
3 0
3 years ago
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