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pochemuha
1 year ago
12

Help needed pls

Mathematics
1 answer:
Licemer1 [7]1 year ago
5 0

The area of rectangle ABCD can be expressed in simplified form as: 8y^2 - 10y.

<h3>How to Calculate the Area of a Rectangle?</h3>

The area of a rectangle is calculated using:

Area = (length)(height).

We are given the following:

Length of rectangle ABCD = side DC = 4y - 5

Height of rectangle ABCD = side AD = 2y

The area of rectangle ABCD = (length)(height) = (4y - 5)(2y).

Expand the expression

The area of rectangle ABCD = 2y(4y) - 2y(5) [distributive property of multiplication]

The area of rectangle ABCD = 8y^2 - 10y

Thus, the area of rectangle ABCD can be expressed in simplified form as: 8y^2 - 10y.

Learn more about area of rectangle on:

brainly.com/question/25292087

#SPJ1

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If US=52, ST=30, UT=40, VW=27, and XW=36, find the perimeter of ΔVWX. Round your answer to the nearest tenth if necessary. Figur
Ierofanga [76]

Answer:

The perimeter is 109.8

Step-by-step explanation:

As we can see here, the angles of the triangles are congruent so we can say that both triangles are congruent

When two triangles are congruent, the ratio of their corresponding sides are equal

So we can get the scale factor here by looking at the sides facing each specific angle in both triangles

In the bigger triangle,

The side facing 34 degrees has a length of 30

In the smaller triangle,

The side facing 34 degree has a length of 27

So the scale factor to get the smaller from the bigger is 27/30 = 9/10 or 0.9

Likewise the side facing 51 degrees in the bigger is 40 while for the smaller, it is 36

So the ratio still stands at 36/40 = 9/10 or 0.9

In essence, the smaller triangle will have a perimeter that is 0.9 times that of the bigger

The perimeter of the bigger is simply the sum of the side lengths

We have this as;

(52 + 30 + 40) = 122

so that of the smaller would be;

122 * 0.9 = 109.8

3 0
2 years ago
THIS IS URGENT 60 POINTS
IceJOKER [234]

Answer:

ok so first lets find the revunue in 2015 so

2.4*10=24

so their revunie was 24 dollars(i hope this is in like 24k or something bc this company is going bankrupt other wise)

ok so then lets multiply to find 75 percent or 0.75

24*0.75=18

18 dollars

Hope This Helps!!!

6 0
2 years ago
Read 2 more answers
Solve for x 3x-8/2=x - 6
Liula [17]

Answer: X=-1

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Jaclyn's company required an initial investment of $2,125 for starting costs and sells construction toys for $49.99 each. Richie
Darina [25.2K]

The the number of construction toys that must be bought so that the profit for Jacelyn's company and Richie's company is the same. is t= 204.3269230769231

<h3>what is equation?</h3>

Equations are mathematical statements containing two algebraic expressions on both sides of an 'equal to (=)' sign. It shows the relationship of equality between the expression written on the left side with the expression written on the right side. In every equation in math, we have, L.H.S = R.H.S (left hand side = right hand side). Equations can be solved to find the value of an unknown variable representing an unknown quantity. If there is no 'equal to' symbol in the statement, it means it is not an equation. It will be considered as an expression.

As, per the given situation the equation can be

2125 + 49.99 t = 39.95 t

10.4 t= 2125

t= 2125 / 10.4

t= 21250/104

t= 204.3269230769231

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6 0
2 years ago
Find the area under the standard normal curve to the left of
JulijaS [17]
A. z = 0.74
  The z-score of 0.74 translates to a percentile of 0.77035. Hence, the area under the standard normal curve to the left of z-score 0.74 is ~0.77.

b. z = -2.16
   This z-score translates to a percentile of 0.015386 which is also the numerical value of the area under the curve to the left of the z-score

c. z = 1.02
   The percentile equivalent of the z-score above is 0.846. The area is also 0.846.

d. z = -0.15
   The percentile equivalent and the area is equal to 0.44. 
6 0
3 years ago
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