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Vladimir [108]
3 years ago
15

TIMED TEST HELP PLEASE​

Mathematics
1 answer:
Allisa [31]3 years ago
7 0
It’s -3 mate good luck on your test :)
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A bag contains 3 red marbles, 7 blue marbles, and 2 green marbles. What is the probability of choosing a blue marble when one ma
Hitman42 [59]

Answer:

7/12

Step-by-step explanation:

To find the probability of drawing a blue marble you need to find how many marbles there are in total.

So you have to add 3 red marbles, 7 blue marbles, and 2 green marbles to get the total.

So 3 + 7 + 2 = 12

There are 12 marbles in total so now you have to find how many blue marbles there are.

There are 7 blue marbles out of 12 marbles.

Now you have to put this as a fraction to see if it can be simplified.

7/12 cant be simplified, so the probability of drawing a blue marble is 7/12.

8 0
3 years ago
A rectangle is 2/5 in. long and 1/3 in. wide.<br><br><br><br> What is the area of the rectangle?
MrRissso [65]
2/5 = 0.4
1/3 = 0.333333333
you can do you own question yourself:)
the final answer is 2/5:)
7 0
3 years ago
Question 9
Katena32 [7]

we can conclude that the range is:

(0, 5), (-16, -1), (12, 4)

Which is the first option (counting from the top).

<h3>How to find the range?</h3>

When we have a relation:

x⇒f(x) = y

We define the domain as the set of possible inputs, and the range as the set of possible outputs.

In this case, we know that the domain is:

(0, 5), (8, -1), (-6, 4)

And the transformation is:

f(x, y) = (-2x, y)

So, if we apply that to each one of the pairs in the domain, we will get:

f(0, 5) = (-2*0, 5) = (0, 5)

f(8, -1) = (-2*8, - 1) = (-16, -1)

f(-6, 4) = (-2*-6, 4) = (12, 4)

Then we can conclude that the range is:

(0, 5), (-16, -1), (12, 4)

Which is the first option (counting from the top).

If you want to learn more about domain and range:

brainly.com/question/10197594

#SPJ1

4 0
1 year ago
What is the slope between the two points?<br> (6,8 ) and (-3, 8 )
Marta_Voda [28]

Answer:

slope=0

Step-by-step explanation:

Slope (m) = ΔY /ΔX =0  

ΔX = -3 – 6 = -9

ΔY = 8 – 8 = 0

Distance (d) = √ΔX2 + ΔY2 = √81 = 9

Equation of the line:

y = 0x + 8

When x=0, y = 8

5 0
3 years ago
Read 2 more answers
10. The number of people, N, employed in a chain of cafes is related to the number of cafes, n, by the equation:
il63 [147K]

Answer:

b.

i. N= 10n+120

    = 10*14+120

    = 260

ii. N = 10n+120

<=> 190=10n+120

<=> n=7

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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