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Zolol [24]
2 years ago
13

This is in khan accadamy

Mathematics
1 answer:
kicyunya [14]2 years ago
4 0

Answer: it’s B

your welcome

Step-by-step explanation:

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Examine this system of linear<br> equations.<br> y – 3x=-2,<br> y = 4
Verdich [7]

Answer:

2, 4

Step-by-step explanation:

Ok so for this you have to substitute. y=4 so you put a 4 where the y is. This becomes

4 - 3x = -2 We can already rule out (2,2) and (4,2) Why? Because the y is not a 4. So it’s gonna be either (0,4) or (2,4). Now, we have to find x. We have to isolate it. You do this by subtracting 4 from both sides.

4 - 4 - 3x = -2 - 4 Now Simplify

-3x = -6 Why -6? Because you can’t subtract a positive from a negative so it becomes -2 + -4. Since they are both negatives, you just add them together, then put the negative sign.

Now divide -3 from both sides. Which becomes

x = 2

4 0
3 years ago
Read 2 more answers
How are 12 fl oz equivalent to 335 ml
Mazyrski [523]
The question asks us to find that 12 fl oz is equivalent to 335 ml. Then we have to either convert the milliliter to oz or vice-verse. In this case we will convert 12 fl oz to milleter and check if it comes to 335 ml.
Now we already know that
1 oz = 29.57 ml
Then
12 oz = (29.57 * 12) ml
          = 354.84 ml
         = 355 ml
So we see that 12 oz is not equal to 335 ml but it is almost equivalent to 335 ml.
4 0
3 years ago
Match each verbal description to its equivalent function rule as applied to the given function below.
stepladder [879]
The top-left graph goes with the bottom-right equation, y=90(1/4)^x

The bottom-left graph goes with the top-right equation, y = 120(3/4)^x

The top-right graph goes with the bottom-left equation, y = 120(1/4)^x

The bottom-right graph goes with the top-left equation, y = 90(3/4)^x

y=90(1/4)^x has a larger percent decrease than y = 90(3/4)^x
cause if you multiply a number by 1/4, that's smaller than multiplying number by 3/4. so y=90(1/4)^x decreases really fast

same with the y = 120(3/4)^x ones
5 0
3 years ago
Which expression is equivalent to a + a -0.34a? a. 1.34a b. 2a -0.66 c. a -0.34 d. 1.66a​
Setler [38]

Answer: d.1.66a

Step-by-step explanation:

8 0
3 years ago
Four less than twice a number is ten. Find the number
Amanda [17]

the answer is going to be 7

6 0
3 years ago
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