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Andrei [34K]
1 year ago
8

John drew a trapezoid ABCD on a coordinate plane. The coordinates are as follows

Mathematics
2 answers:
sleet_krkn [62]1 year ago
7 0

Answer: 5

Step-by-step explanation:

If the sides of A is (8,4) and the coordinates of D is (8-1), the same value in both coordinates are 8 and the different values are 4 (A) and -1 (D). We will take the absolute values (AV) of both when added: |4 + -1|.

The answer will be<u><em> 5 grids</em></u> (or whatever measurements the question uses).

omeli [17]1 year ago
7 0
The answer is 5 units because if you have a graph you can count from (8,4) to (8,-1) and it equals 5
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After 2 days, the Johnsons had used
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Answer:

11.5 tanks of gas

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2 years ago
Use inverse operations and properties of equality to isolate the variable m+31=307
otez555 [7]

ANSWER

m = 276

EXPLANATION

The given equation is

m + 31 = 307

We add the additive inverse of 31 which is -31 to both sides of the equation to get,

m + 31   +  - 31= 307 +  - 31

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6 0
3 years ago
How do you find direct variation. I’m having trouble understanding some of these examples.
Rufina [12.5K]
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y = kx

where k is the constant of proportionality.

If you are told that a relation is a direct proportion, and you are given one data point, you can find k. The you can write the equation of the direct relation.

Here is an example.
The price of gasoline follows a direct variation.
John bought 5 gallons of gas and paid $15.
a) Write an equation for the relation.
b) Using the relation you found, how much do 13.8 gallons cost?

Solution:
Since the relation is a direct variation, it follows the general equation of a direct variation:

y = kx

We are given one data point, 5 gallons cost $15.
We plug in  5 for x and 15 for y and we find k.

y = kx
15 = k * 5
k = 3

Now that we know that k = 3, we rewrite the relation using our value of k.

y = 3x

This is the answer to part a).

Part b)

We use our relation, y = 3x, and we plug in 13.8 into x and find y.

y = 3x

y = 3 * 13.8

y = 41.4

The price of 15 gallons of gas is $41.40.
5 0
2 years ago
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