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cluponka [151]
3 years ago
9

The equation of a line is x + 4y = 15.

Mathematics
2 answers:
Alisiya [41]3 years ago
8 0
I get 15/4 or 15 over 4
Anvisha [2.4K]3 years ago
3 0

Answer:

Option D.

Step-by-step explanation:

Y-intercept form of the equation of a line is given by y = mx + c

Where m = slope of the line

c = y-intercept

Given equation of a line is x + 4y = 15

We will transform this equation into the y intercept form first.

x + 4y = 15

4y = 15 - x

y = -\frac{x}{4}+\frac{15}{4}

Therefore, y - intercept of this equation will be c = \frac{15}{4}

Option D will be the answer.

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Leia cuts congruent triangular patches with an area of 45 square centimeters from a rectangular piece of fabric that is 18 centi
zimovet [89]
The number of patches that Leia can cut from 32 pieces of the fabric measuring  18 cm by 10 cm will be as follows:
Number of pieces=[total area of fabric]/[area of patch]
area of fabric=18×10=180 cm²
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Area of patch=45 cm²

Number of patches=5760/45=128 patches 
6 0
3 years ago
What is this please help?
mestny [16]

Answer:

y = 2/3x - 1

Step-by-step explanation:

The simpliest way to determine the slope of the line is to see the rise over run of the line. In this case, we are given two points which are at (0, -1) and (3,1)

By calculating rise of run, we can see that the starting point goes up by 2 units, from -1 to 1 and goes to the right 3 units, from 0 to 3

In this case, that means we have a slope of 2/3x.

The +b plays into the y-intercept of the line, which is actually the same of one of our points: (0,-1)

Since this number is a negative, it would actually be y = (2/3)x + (-1) which is the same as y=2/3x - 1

7 0
2 years ago
Today everything at a store is on sale The store offers a 20% discount The regular price of a tshirt is 18$ what is the discount
kirill [66]
The discounted price is $14.40. Hope this helped.
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translate the sentence into an equation. the sum of 4 times a number and 8 equals 7. use the variable c for the unknown number
jek_recluse [69]

Answer: 4× 8c = 7

Step-by-step explanation:

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3 years ago
David bought a used car for $3,000 and later sold it for $1,000. What was the approximate percent decrease in the price of the c
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