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seropon [69]
3 years ago
5

How to solve the question for 5 and 6

Mathematics
1 answer:
Oksana_A [137]3 years ago
8 0

Answer:

5 is $1.35 for tip

Equation: y=6.26x+2.06

Step-by-step explanation:

Do a linear regression. Use desmos.com next time.

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Match each slope and y-intercept with the appropriate linear equation​
aleksandr82 [10.1K]

Linear equation: y = mx + c

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3 years ago
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Alexandra and Stephanie are sisters, and they're saving their money to buy a used car. Together they have more than $2,500, and
Vilka [71]

Answer:

Stephanie has more than $900

Step-by-step explanation:

Represent the unknowns:  a for Alexandra and s for Stephanie.

Then a + s > $2,500, and a = s + $700.

Substituting the latter into the former equation, we get:

(s + $700) + s > $2,500, or

2s > $1800

Then s > $900; Stephanie has more than $900.

7 0
2 years ago
What is an equation of a line in point slope form that passes through the points (7,-8) and (-4,6)?
maw [93]

y=kx+b

for (7,-8): -8=7k+b. (function 1)

for (-4,6): 6=-4k+b (function 2)

Use function 2 - function 1

we get: 14=-11k

k=-14/11------>slope is -14/11

Now we know that first two options are wrong since they have the wrong slope for the function.

Plus -14/11 back to function 1/ or 2. Both are correct and can give you the answer. In this case I would plug it back to function 2.

6=14*4/11+b

b=66/11-56/11

b=10/11

We get y=-14/11x+10/11

subtract both side by 6.

y-6=-14/11x+10/11-66/11

y-6=-14/11x-56/11

y-6=-14/11(x+4)

So C is correct

5 0
3 years ago
What is a fraction has both a negative denominator and numerator?
liubo4ka [24]
Negative divided by negative makes a positive
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What property is -7 + 8 minus + 2
Fofino [41]

I believe its additive Inverse Property

8 0
2 years ago
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