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Olegator [25]
3 years ago
11

Math problem help me. I got it wrong I think

Mathematics
1 answer:
lukranit [14]3 years ago
8 0

Answer:

The answer is B

Step-by-step explanation: After solving this equation using y=mx+b

I got y=-4x+7

So they give us the slope which is negative 4

so you would throw in the x coordinate with the slope and multiply to get y=-12+7

then you would use the y coordinate to substitute the Y

-5=-12+7

i add twelve on both sides and end up with the y intercept being 7]

so I add them into the equation and got y=-4x+7

You might be interested in
The distance between Chicago and Cleveland is
lozanna [386]

Answer:

The average speed on this trip was 46.15 mph. The correct option is A.

Step-by-step explanation:

In order to calculate the average speed, we need to apply the following formula:

v_{avg} = \frac{\text{distance}}{\text{time}}

We were given the distance between the two cities in miles, therefore we can directly apply it to the expression. Although the time was given in the hh:mm 12 h format and we need a diference in hours, so we will convert that as shown below:

\text{time departure} = 9 + \frac{50}{60} = 9.83 \text{ h}

\text{time arrival} = 12 + 5 + \frac{30}{60} = 17.5

The elapsed time of the trip is the difference between these:

\text{time} = 17.5 - 9.83 = 7.67 \text{ h}

We can now apply it to the formula:

v_{avg} = \frac{354}{7.67} = 46.15 \text{ mph}

The average speed on this trip was 46.15 mph. The correct option is A.

5 0
3 years ago
Ziv's taxicab ride cost $33. He left a 15% tip.
Oksi-84 [34.3K]

Answer:

37.95

Step-by-step explanation:

33 x 15%

0.15 x 33 = 4.95

33 + 4.95 = 37.95

3 0
3 years ago
The perimeter of a square is 48 cm. What is the length of each side of the square?
Alecsey [184]

Answer:

12 cm

Step-by-step explanation:

48/4 is 12 since there is 4 sides and all of them are equal.

7 0
3 years ago
Read 2 more answers
Please Help me. I get so confused doing these questions.
ArbitrLikvidat [17]

Answer:

It should be -24

Step-by-step explanation:

I found it online, since I wasn't entirely sure, but remember that studying can be fun, and everyone have an amazing day :)

3 0
2 years ago
What is the equation of the linear function represented by the table?
Korolek [52]
Hello!

You can put x into the answer choices to see if we get y
----------------------------------------------------------------------------------------------------
y = -x + 9
y = -(-5) + 9
y = 5 + 9
y = 14

This could be a answer

y = -(-2) + 9
y = 2 + 9
y = 11

y = -(1) + 9
y = -1 + 9
y = 8

y = -(4) + 9
y = -4 + 9
y = 5

we got y every time so the answer is the first one

The answer is A) y = -x + 9

Hope this helps!
8 0
3 years ago
Read 2 more answers
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