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GalinKa [24]
3 years ago
8

Find the slope of the line that passes through (7,5) and (5, 8).

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

Answer:

slope is -3/2

Step-by-step explanation:

Use the slope formula

y2-y1/x2-x1=m (rise over run)

(7,5) (5,8)

x1 y1 x2 y2

8-5/5-7=m

-(3/2)=m

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Find the slope of the line on the graph. Reduce all fractional answers to lowest terms.
miv72 [106K]
The answer is -1/3

The slope m is:
m = (y2 - y1) / (x2 - x1)
(x1, y1) = (-2, 2)
(x2, y2) = (4, 0)

m = (0 - 2) / (4 - (-2)) = -2 / 6 = -1/3
6 0
3 years ago
You have a wire that is 38 cm long. you wish to cut it into two pieces. one piece will be bent into the shape of a square. the o
erica [24]
Circumference + perimeter =38
x = circumference of circle
find r in terms of x
2\pir=x
r=\frac{x}{2 \pi }
Area=\pir^2
so..
A=\pi(\frac{x}{2 \pi })^2
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=\frac{x^{2} }{4 \pi }

(38-x) is perimeter
then 
\frac{38-x}{4}
(\frac{38-x}{4})^2
\frac{x^{2} }{4 \pi } + (\frac{38-x}{4})^2
then you graph it and it equals
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6 0
3 years ago
Please help lot of points at stake- and will give brainly.
Veronika [31]

Answer:

a)1400 + 300x ≤ 5000

b) x ≤ 12 days

Step-by-step explanation:

a) Since the grocery store owner wants to stay within budget then, this means he would be spending at most $5,000

The word at most is represented by the inequality sign ≤ = Less than or equal to

Let x = Number of days

Hence,

Our inequality equation is

$1400 + 300× x ≤ $5000

1400 + 300x ≤ 5000

b) Solving for x

1400 + 300x ≤ 5000

300x ≤ 5000 - 1400

300x ≤ 3600

x ≤ 3600/300

x ≤ 12 days

3 0
2 years ago
Lace edging is sold by the foot for $0.80 or by the foot for $1.99. Which is more expensive
vampirchik [111]

Answer:

$1.99 is more expensive.

Step-by-step explanation:

Given:

One type of lace edging cost $0.80 per foot

Another type of lace edging cost $1`.99 per foot.

We need to find which is more expensive.

In $0.88 where one's place is 0.

In $1.99 where one's place is 1.

By comparing the one's place obviously $1.99 more expensive.

Hope you will understand the concept.

Thank you.

6 0
3 years ago
Given the exponential equation, 3=18. Which of the equationsbelow will solve for x?
Zinaida [17]

Answer:

if you are evaluating this claim is false

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