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Korvikt [17]
3 years ago
13

Define a variable and write an equation for each real-world problem. 1] Matt spent $ 6.50 on his lunch. This is $2.25 more than

his friend Jackson spent on his lunch. How much did Jackson spend on his lunch?
Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0
M will represent Matt and J is Jackson.  M-2.25=J. You minus the difference between them and show that it equals to Jacksons. A variable is a number in math that can vary.
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The map of a biking trail is drawn on a coordinate grid. The trail starts at P(−2, 2) and goes to Q(5, 2). It goes from Q to R(5
love history [14]

Answer:

The total length (in units) of the biking trail is 17 units.

Step-by-step explanation:

o find distance between points A(x¹, y¹) and B(x², y²), we use formula:

d = \sqrt{(x^{2}-x^{1})^{2}+(y^{2}-y^{1})^{2}}

The trail starts at P(−2, 2) and goes to Q(5, 2).

So, the distance PQ will be calculated as:

PQ = \sqrt{(5^{}-(-2)^{})^{2}+(2^{}-2^{})^{2}

PQ = \sqrt{(49^{}+0)

PQ = 7 units

Then the trail goes from Q(5, 2) to R(5, −5).

So, the distance QR will be calculated as:

QR = \sqrt{(x^{2}-x^{1})^{2}+(y^{2}-y^{1})^{2}}

QR = \sqrt{(5^{}-5^{})^{2}+(-5^{}-2^{})^{2}

QR = 7 units

And then from R(5, −5) to S(8, −5).

RS = \sqrt{(8^{}-5^{})^{2}+(-5^{}-(-5)^{})^{2}}

QR = 3 units

Hence, the total length of the biking trail is:

                               PQ + QR + QR = 7 + 7 + 3 = 17 units

Keywords: distance formula, length

Learn more about distance formula to find length from brainly.com/question/10903929

#learnwithBrainly

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How to:

When graphing a linear inequality on a number line, use an open circle for "less than" or "greater than", and a closed circle for "less than or equal to" or "greater than or equal to".

For this problem:

For the number line, we would place a solid dot at −5 because the value is both greater than and equal too (≥) and then continue a line on the number line to the right of that point incorporating all values greater than −5

Answer:

<em><u>(image attached) </u></em>

<em><u>Look at the one showing your problem, the first one.</u></em>

<em><u>It's reverse of that since X is greater meaning the line goes the other way instead as shown in the second image.</u></em>

I HOPE I HELPED!! HAVE AN AMAZING DAY/NIGHT!!! PLEASE GIVE MY BRAINLIEST IF I HELPED YOU!!!!

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Answer:

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Step-by-step explanation:

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