This table shows the input and output values for a linear function f(x).

Mathematics

1 answer:

AlekseyPX3 years ago

4 0

Answer: two of them are positive and negative

Step-by-step explanation: because there is -30 and -25 that is negative and 1 and 20 that are positive

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Maria has a bag with 6 red marbles, 6 blue marbles, and 4 green marbles looking Maria picks one . She does not replace it and sh

Sati [7]

Answer: Hello there!

initially Maria has 6 red marbles, 6 blue marbles, and 4 green marbles.

You know that in the first pick, Maria gets a green marble ( this means that now there are 3 green marbles left)

Now we want to know the probability that she gets a red marble on the second pick.

Now there are 6 + 6 + 3 = 15 marbles in the bag, and 6 of them are red ones. Then the probability of getting one red is the number of red ones divided by the total amount ( which is the ratio of red marbles to total marbles)

this is 6/15.

now you can see that there is no 6/15 in the options, so we need to see which one is equivalent.

if we took the option C, 2/5, and multiply both denominator and numerator by 3, we get (3*2)/(3*5) = 6/15, then 2/5 and 6/15 are equivalents.

Then the correct answer is C.

Step-by-step explanation:

5 0

3 years ago

How can you represent the repeating decimal 0.3 (0.333333) as a fraction?

Tems11 [23]

<h3>when you write 0.33333333 in a calculator and convert it to fraction using the a b/c button you should get 1/3 as an answer</h3>

<h3>another method is </h3>

Step 1: Write down the decimal divided by 1

Step 2: Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two numbers after the decimal point, then use 100, if there are three then use 1000, etc.)

Step 3: Simplify (or reduce) the fraction

refer to picture above plzz***

hope that helps !

5 0

3 years ago

How many solutions does this system have?

vagabundo [1.1K]

Answer:

Step-by-step explanation:

it has the same slope but not the same y-int

5 0

3 years ago

In the image shown, line n is a transversal cutting parallel lines l and m. ∠1 = 3x + 18 ∠7 = 2x + 39 What is the measure of ∠7?

wel

Answer:

B) 81°

Step-by-step explanation:

Given:

From the figure given below,

∠1 = 3x + 18

∠7 = 2x + 39

∠1 and ∠7 are a pair of exterior alternate angles. For two parallel lines l and m, cut by a transversal n, the pair of exterior alternate angles are congruent to each other.

Therefore, the angles 1 and 7 are congruent to each other. This gives,

∠1 ≅ ∠7

$3x+18=2x+39\\\\3x-2x=39-18\\\\x=21$