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Ray Of Light [21]
3 years ago
9

A mirror is 4.5 feet high by 2.3 feet wide. If it costs $15 per foot to frame the mirror, how much will the frame cost? Do not i

nclude units in your answer. Round your answer to the nearest whole number.
Mathematics
1 answer:
zloy xaker [14]3 years ago
3 0

Answer:

$204 OR $210 (*READ BELOW)

Step-by-step explanation:

1. Find the perimeter.

  • Assume that it is a rectangle, so P = 2L + 2W
  • P = 2(4.5) + 2(2.3)
  • P = 9 + 4.6
  • P = 13.6 ft

2. Find the cost of the frame (C).

  • C = 15x, where x is the amount of feet of frame
  • In this case, x = P = 13.6
  • C = 15(13.6)
  • C = 204

Therefore, it will cost $204 for a frame for this specific mirror.

<u>HOWEVER</u>: sometimes your teacher will be specific and will say that they ONLY sell the frame BY THE FOOT so in this case, you'd have to round up the perimeter to 14 ft. So, C = 15(14), so the cost would end up being $210 instead.

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Carmen is simplifying the expression (6. 21 0. 93) 0. 7. She recognizes that 0. 93 and 0. 07 will combine to equal 1, so she wou
Stells [14]

To solve the problem w must know about the Associative property.

<h2>Associative property</h2>

The associative property states that the addition of the sum of two numbers (a,b) and a third number(c) is equal to the addition of the sun of the last two numbers(b, c) and the first number(a).

  • A+(B+C) = (A+B)+C

The property that will allow Carmen to do this without changing the value of the expression is the Associative property.

<h2>Explanation</h2>

Given to us

  • (6.21 + 0.93 ) + 0.07

<h3>Associative property.</h3>

Now, using Associative property,

(6.21 + 0.93 ) + 0.07

= 6.21 + (0.93 + 0.07)

=6.21 + (0.93 + 0.07)

Hence, the property that will allow Carmen to do this without changing the value of the expression is the Associative property.

Learn more about Associative property:

brainly.com/question/1680548

3 0
2 years ago
Pls help ASAP !! I’m struggling so hard in math class pls help I need it .
Mama L [17]

Answer:

b = 27 degrees

Step-by-step explanation:

90 - 63 = 27

8 0
3 years ago
Read 2 more answers
. The estimate regression equation for a model involving two independent variables and 10 observations follows.y = 29.1270 + 0.5
beks73 [17]

Answer:

b) y = 289.815 when x_1 = 180 \text{ and } x_2 = 310

Step-by-step explanation:

We are given the following information in the question:

y = 29.1270 + 0.5906x_1 + 0.4980x_2

where y is the dependent variable,

x_1, x_2 are the independent variable.

The multiple regression equation is of the form:

y = b_0 + b_1x_1 + b_2x_2

where,

b_0: is the intercept of the equation and is the value of dependent variable when all the independent variable are zero.

b_1: It is the slope coefficient of the independent variable x_1.

b_2: It is the slope coefficient of the independent variable x_2.

  • The regression coefficient in multiple regression is the slope of the linear relationship between the dependent and the part of a predictor variable that is independent of all other predictor variables.

Comparing the equations, we get:

b_1 = 0.5906\\b_2 = 0.4980

  • This means holding x_2 constant, a change of one in x_1 is associated with a change of 0.5906 in the dependent variable.
  • This means holding x_1 constant, a change of 1 in x_2 is associated with a change of 0.4980 in the dependent variable.

b) We have to estimate the value of y

y = 29.1270 + 0.5906(180) + 0.4980(310) = 289.815

3 0
3 years ago
00:00
Daniel [21]

Answer:

13 packages of Granola

Step-by-step explanation:

74.25 - 6 = 68.25

68.25 divided by 5.25= 13

3 0
3 years ago
Transversal relations ( find x)
STALIN [3.7K]

Answer:

<em>x</em> = 75

Step-by-step explanation:

Since if you could take the second line on the line and move it down a bit it would be the same angle and so all you have to do is 90-15 = 75 so x=75.

P.S (I'm sorry if this didn't help :( )

8 0
3 years ago
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