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AnnyKZ [126]
2 years ago
15

I know it's easy but pls help.

Mathematics
2 answers:
mixer [17]2 years ago
6 0

Answer:

7

Step-by-step explanation:

My explanation is in comments

Svetach [21]2 years ago
4 0

Answer:

7

Step-by-step explanation:

36+42= 6 x 13

which is true

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A bad contains 15 balls of which X is red. Write an expression for the probability that a ball drawn from the bad is red. When 5
antoniya [11.8K]

Answer:

10

Step-by-step explanation:

The current probability of picking a red ball is \frac{x}{15}. When 5 more balls are added, the probability is 3/4. We can write a ratio for this problem:

\frac{x+5}{15+5} = \frac{3}{4}

When using cross multiplication to solve this, you get 3 * 20 = 4(x+5).

60 = 4x + 20

40 = 4x

x = 10 red balls

5 0
1 year ago
A small submarine travels at a speed of 2.4 km per hour. How far will the submarine travel in 0.25 hours
mariarad [96]
If the math adds up the submarine will travel .6 km in .25 hours.
7 0
3 years ago
Plz help with these first one gets brainliest
vlabodo [156]

Answer:

A=(1,6) B=(1,6)

Step-by-step explanation:

Its the absolotle value between them.

4 0
2 years ago
Read 2 more answers
What is the probability
gulaghasi [49]

Answer: Last Option

P=0.4125

Step-by-step explanation:

In this case we have a uniform probability. In the graph the horizontal axis represents the possible values of the variable x and the vertical axis represents the probability P(x).

To calculate the probability that x is between 4.71 and 7.4 we calculate the area under the curve.

The horizontal length between 4.71 and 7.4 is:

7.4-4.1 = 3.3.

Then notice that the vertical length in this interval is 0.125.

Then the area of a rectangle is:

A = lw

Where l is the length and w is the width.

In this case we have to:

l = 3.3

w = 0.125

So

P = A = 3.3 * 0.125

P=0.4125

3 0
3 years ago
Find m<br> (look at the picture)
Advocard [28]

Answer:

Step-by-step explanation:

since you are learning about similar triangles... i'd guess that some where of the picture.. there is some words that say,  that the two smaller triangles are the same, similar , congruent.. so that we can just add up angles 1 + 2 or

13 + 13 = 26 °

4 0
2 years ago
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