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kodGreya [7K]
4 years ago
7

A line passes through (4, 5) and (8, 9). Which equation best represents the line?

Mathematics
2 answers:
ioda4 years ago
8 0
Equation A best represents the equation
11111nata11111 [884]4 years ago
5 0
From the question, we know that
(x₁,y₁) = (4,5)
(x₂,y₂) = (8,9)

Find the slope of the line with the formula of slope

m = \dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

Input the numbers
m = \cfrac{9-5}{8-4}
m = 4/4
m = 1
The slope of the line is 1

Using this formula, determine the line equation
y - y₁ = m(x - x₁)

Input the numbers
y - 5 = 1(x - 4)
y - 5 = x - 4
y = x - 4 + 5
y = x + 1
The correct answer is first option
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aleksklad [387]

Answer:

13/6

Step-by-step explanation:

1+0.5=1.5=9/6

9/6+4/6=13/6

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4 years ago
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7 0
3 years ago
The price of a mobile phone decreased from $375 to $250 during a clearance sale. What is the percent of decrease in the price?
Tresset [83]
So decrease is 375-250=75

so convert 75/375 to percent
percent means part out of 100 so 
x/100=x%

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4 0
4 years ago
Charli bought 2 3/4 pounds of pears for 0.76 per pound and 2 3/4 pounds of grapes for 1.40 per pound. how much money in dollars
MArishka [77]

Answer:

Total = \$5.94 ---- in dollars

Total = 594\ cents ---- in cents

5 dollars 94 cents

Step-by-step explanation:

Given

Pears

Weight = 2\frac{3}{4}\ lb

Amount = \$0.76 per pound

Grapes

Weight = 2\frac{3}{4}\ lb

Amount = \$1.40 per pound

Required

Determine the amount paid for the fruit in dollar and cents

First, we need to calculate the amount paid for each fruit.

This is calculated by multiplying the amount per pound by the number of pounds bought.

For Pears:

Total_{Pears} = 2\frac{3}{4} * \$0.76

Convert fraction to decimal

Total_{Pears} = 2.75 * \$0.76

Total_{Pears} = \$2.09

For Grapes

Total_{Grapes} = 2\frac{3}{4} * \$1.40

Convert fraction to decimal

Total_{Grapes} = 2.75 * \$1.40

Total_{Grapes} = \$3.85

Next, we add both amounts together to get the total amount spent in dollars.

Total = Total_{Pears} + Total_{Grapes}

Total = \$2.09 + \$3.85

Total = \$5.94

Multiply by 100 to convert this amount to cents

Total = 5.94 * 100\ cents

Total = 594\ cents

And it can be represented as dollars and cents as:

5 dollars 94 cents

8 0
3 years ago
Cost of a CD: $17.50<br> Markup: 45%
Marizza181 [45]

Answer:

25.375

Step-by-step explanation:

17.50×45%=7.875

17.50+7.875=25.375 new price

8 0
2 years ago
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