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3 years ago

Which equation in standard form has a graph that passes through the point (5,-2) and has a slope of 7/2

Mathematics

1 answer:

ehidna [41]3 years ago

8 0

Answer:

Step-by-step explanation:

Since it's MCQ and it's LHS is all 7x - 2y, you can simply sub in (5, -2) into each option and see which one has its LHS = RHS.

7(5) - 2(-2) = 35 + 4 = 39

Hence, option B is the answer.

Topic: Coordinate Geometry

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There's a piece of a pyramid is a rectangle with a width of 4.6 cm and the length of the 9 cm. What is the height in centimeters

Dominik [7]

Answer:

6cm

Step-by-step explanation:

Given data

Width= 4.6cm

Length= 9cm

Volume= 82.8cm^3

The expression for the volume is given as

V= lwh/3

82.8= 9*4.6*h/3

cross multiply

82.8*3= 9*4.6*h

248.4= 41.4h

h= 248.4/41.4

h= 6cm

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3 years ago

Please help as soon as possible

Zolol [24]

Answer:

Diameter = 24 mm

Step-by-step explanation:

Volume of a sphere is 4/3 π $r^{3}$

First, we solve for radius:

2304π = 4/3π $r^{3}$

Multiply both sides by 3

3(2304π) = 4π $r^{3}$

Divide both sides by 4π

6912π/4π = $r^{3}$

1728 = $r^{3}$

Cuberoot both sides

$\sqrt[3]{1728}$ = r

r= 12

Hence, the diameter would be: 2times the radius = 2*12= 24 mm

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5 0

3 years ago

Read 2 more answers

Which of the following is a solution to this system of inequalities

Vadim26 [7]

Answer:

Step-by-step explanation:

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2 years ago

Someone help me with this plzzz asapp

bazaltina [42]

Answer:

3(25π/2) + 100 = 217.8097

Step-by-step explanation:

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4 years ago

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The wholesale price for a dozen pairs of socks is $4.30. The retail price for the same dozen pairs of socks is $9.25. What is th

Mandarinka [93]

Answer:

the mark up used by the retailer is 115.12% of the wholesale price

Step-by-step explanation:

Mark-up is the percentage increase of the retail price over the wholesale price

Mark-up = (difference between retail and whole sale price / retail price ) x 100

difference between retail and whole sale price = $9.25 - $4.30 = $4.95

(4.95 / 4.3) x 100 = 115.12%.

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3 years ago