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kogti [31]
3 years ago
13

In a direct variation, y = 12 when x = 6. Write a direct variation equation that shows the relationship between x and y.

Mathematics
1 answer:
solong [7]3 years ago
4 0

Answer:

y=2x

Step-by-step explanation:

Y=kx

12=k6

12 divided by 6 to get 2

and 2=k

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Find the slope of the line through the points (13,14) and (0,−1)
timofeeve [1]

Answer:

1.15 or \frac{15}{13}

Step-by-step explanation:

1. The slope can be found with this formula: \frac{y2-y1}{x2-x1}

2. Let's plug in the numbers: \frac{14--1}{13-0}

4. \frac{15}{13} ≈ 1.1538

6 0
2 years ago
ABCD is a rhombus and DB=10 Find the length of DC
erik [133]

Step-by-step explanation:

DC = 12

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4 0
3 years ago
The sum of the digits in a double digit number is 10. The difference of the second digit subtracted from the first digit is 2.
Mandarinka [93]
64: 6+4=10, and 6-4=2
5 0
4 years ago
A blueprint of a bedroom has a scale of 1 4 inch is equivalent to 1 foot. If the closet measures 1 2 inch by 3 4 inch on the blu
Murljashka [212]

Answer:

The actual dimensions of the closet are 2 ft by 3 ft.

Step-by-step explanation:

According to the scale, 1/4 inch <--> 1 foot

The closet dimensions on the scale are (1/2 inch, 3/4) or (2/4 inch, 3/4). Let the real closet dimensions be (x,y).

In this case, the rule of three can be applied to find the missing term of a proportion:

x*\frac{1}{4} = 1*\frac{2}{4}\\x=2\\y*\frac{1}{4} = 1*\frac{3}{4}\\y=3

The actual dimensions of the closet are 2 ft by 3 ft.

3 0
4 years ago
Karins mom runs a dairy farm. Last year Betty the cow gave 375 gallons less than twice the amount from Bessie the cow. Together,
yawa3891 [41]
X = bessie and y = betty

x + y = 1464
y = 2x - 375

x + 2x - 375 = 1464
3x - 375 = 1464
3x = 1464 + 375
3x = 1839
x = 1839/3
x = 613 <== Bessie gave 613 gallons

y = 2x - 375
y = 2(613) - 375
y = 1226 - 375
y = 851 <== Betty gave 851 gallons
7 0
3 years ago
Read 2 more answers
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