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-Dominant- [34]
3 years ago
7

Hailey wants to hire someone to paint her house. She researched several independent painters who provided information about the

average amount of time it takes them to paint a certain number of square feet of wall space. The three painters with the top ratings are listed in the table below, along with the information they provided.
Name Area Painted
(square feet) Time
(hours:minutes)
Richard 288 45
Gerard 825 2:12
Matthew 992 2:35


Part A: Calculate the unit rate for each painter.

Part B: Compare each pair of painters (Richard with Gerard; Gerard with Matthew; Matthew with Richard), and state whether their rates are in a proportional relationship or not (and why) using their respective unit rates as evidence.
Mathematics
1 answer:
Reika [66]3 years ago
6 0

Answer:

my name is hailey

Step-by-step explanation:

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Part A: Shiloh would collect data on which student spends the most time at the beach

Part B: It is a statistical question

6 0
3 years ago
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Which graph represents the function y = 2x – 4? A coordinate plane with a line passing through (negative 4, 0) and (0, 2). A coo
VARVARA [1.3K]

Answer:

The third option: "A coordinate plane with a line passing through (0, negative 4) and (2, 0)."

Step-by-step explanation:

Use the equation defined by the function: y = 2x - 4 to check the (x, y) values they give you. If they both render true mathematical statements, those are indeed points on the plane that belong to the given line.

For the third case; the pairs (0,-4) and (2,0), both satisfy the equation of the line that is given.

For (0,-4):  y = 2x - 4 becomes:

(-4)=2(0)-4\\-4=0-4\\-4=-4 which is a TRUE statement

For (2,0):  y = 2x - 4 becomes:

(0)=2(2)-4\\0=4-4\\0=0 which is also a TRUE statement.

This option is the only one that verifies both given points as truly being part of the given line.

8 0
3 years ago
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Cos(sin^-1(24/26)<br> Use a sketch to find the exact value of the following expression
creativ13 [48]
Hello,

Let y=sin^(-1)(12/13.
==>sin y=12/13
==>cos y=√(1-(12/13)²)=√(25/169)=5/13

Answer 5/13

4 0
3 years ago
1. "Fasting blood sugar" is a lab test usually done six to eight hours after eating. The normal range for this test is 70
Ilya [14]

Answer:

1. "Fasting blood sugar" is a lab test usually done six to eight hours after eating. The normal range for this test is 70

Step-by-step explanation:

6 0
3 years ago
A morning truck can carry no more than 1480 pounds of cargo. Brian loaded 640 pounds into the truck already. He is loading boxes
guajiro [1.7K]

Given :

A morning truck can carry no more than 1480 pounds of cargo.

Brian loaded 640 pounds into the truck already.

He is loading boxes that weigh 70 pounds.

To Find :

How many boxes can he out into the truck.

Solution :

Weight left for carrying cargo, W = 4180 - 640 pounds

W = 3540 pounds

Number of boxes of 70 pounds cargo he can carry in truck is :

n =\dfrac{3540}{70}\\\\n = 50.57 ≈ 50 .

Therefore, number of box they can carry is 50.

Hence, this is the required solution.

8 0
3 years ago
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