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earnstyle [38]
3 years ago
7

50 POINTS!!!!! (100 IF YOU GET BRAINLY)

Mathematics
2 answers:
MakcuM [25]3 years ago
5 0

A single yard is equivalent to 3 feet. With this information, we find that 2 yards are equal to 6 feet.

A 6 feet piece of copper wire costs $69.60. Divide the total price by the amount of feet to find the price per foot.

69.60 \div6=11.60

The price per foot is $11.60. Let me know if you need any clarifications, thanks!

~ Padoru

ludmilkaskok [199]3 years ago
4 0

Answer:

$11.60 per foot

Step-by-step explanation:

<u>Step 1:  Find the unit price per yard</u>

69.60 / 2

$34.80 per yard

<u>Step 2:  Find the unit price per foot</u>

1 yard = 3 feet

34.80 / 3

<em>$11.60 per foot</em>

<em />

Answer:  $11.60 per foot

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80 is 0.4 of what number?
Alexus [3.1K]
.4=2/5

80=2
X =5

2x=400


X=200
3 0
4 years ago
Prove whether the quadrilateral is a parallelogram using the Distance &amp; Slope Formulas D(-5, -6), E(5, 2), F(4, -4), G(-6, -
amm1812

Answer:

See the distances bellow

Step-by-step explanation:

Given data

D(-5, -6), E(5, 2)

substitute into the expression for the distance

d= \sqrt((x_2 - x_1)^2 + (y_2 - y_1)^2)\\\\d= \sqrt((5+5)^2 + (2+6)^2)\\\\d= \sqrt((10)^2 + (8)^2)\\\\d= \sqrt(100 +64)\\\\d= \sqrt((164)\\\\d= 12.80

E(5, 2), F(4, -4)

d= \sqrt((x_2 - x_1)^2 + (y_2 - y_1)^2)\\\\d= \sqrt((4-5)^2 + (-4-2)^2)\\\\d= \sqrt((-1)^2 + (-6)^2)\\\\d= \sqrt(1+36)\\\\d= \sqrt((37)\\\\d= 6.08

F(4, -4), G(-6, -12)

d= \sqrt((x_2 - x_1)^2 + (y_2 - y_1)^2)\\\\d= \sqrt((-6-4)^2 + (-12+4)^2)\\\\d= \sqrt((-10)^2 + (-8)^2)\\\\d= \sqrt(100+64)\\\\d= \sqrt((164)\\\\d= 12.80

G(-6, -12),  D(-5, -6)

d= \sqrt((x_2 - x_1)^2 + (y_2 - y_1)^2)\\\\d= \sqrt((-6+5)^2 + (-12+6)^2)\\\\d= \sqrt((-1)^2 + (-6)^2)\\\\d= \sqrt(1+36)\\\\d= \sqrt((37)\\\\d= 6.08

8 0
3 years ago
Jeff needs to buy food and medication for six cats and one dog. The cost of food and medication for a cat is $5 less than two-th
DerKrebs [107]
Let x = amount for dog
let 2/3x-5 = amount for cat

x + 2/3x-5 = 195   combine x's
1 2/3x or 5/3x
5/3x-5 =195   add 5 to both sides
5/3x = 200   multiply both sides by 3
5x = 600   divided both sides by 5
x = 120

the cost of the dog is $120.00
4 0
3 years ago
An Algebra II textbook manufacturer determines that its profit, in thousands of dollars, can be modeled by the following functio
Tpy6a [65]

The following graph represent the given situation is (W)

<h3>What is graph?</h3>

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

The complete question is:

An Algebra II textbook manufacturer determines that its profit, in thousands of dollars, can be modeled by the following function, where x represents the number of Algebra II textbooks sold, in hundreds.

P(x) = 0.0013x^{4} +x -4.

Use a table of values to determine which graph represents the given situation. Number of Textbooks Sold (in hundreds) Number of Textbooks Sold (in hundreds) w. X. g 4

table for P(x) = 0.0013x^{4} +x -4.

x     P(x)

0     -0.8949

1       0.3328

2       1.8125

3       3.6848

By the table value we can say that the root is in (3,4)

The graph which shows is (W).

Learn more about graph here:

brainly.com/question/14375099

#SPJ1

8 0
3 years ago
Does anyone know why x is normally used for an unknown number?
jeka94

Then you are able to substitute in X and it can have a infinite number of values catered to the question.

7 0
3 years ago
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