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allsm [11]
2 years ago
12

Pentagon ABCDE is dilated according to the rule

Mathematics
2 answers:
rodikova [14]2 years ago
7 0

Answer:

B

Step-by-step explanation:

took test

Tema [17]2 years ago
6 0
The coordinates of A in the pre-image is (-1,2).

D0, 3(x,y) means (x,y) → (3x,3y)

A'(-3,6)
B'(-0.5, 8)
C'(2,6)
D'(1,3)
E'(-2,3)

The coordinates of the pre-image are multiplied by 3 resulting to the coordinates of the given image. So, we simply divide each value of x and y by 3 to get the coordinates of the pre-image.

A'(-3,6) → -3/3 = -1 ; 6/3 = 2 → A(-1,2)

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if computers sell for $1100 per unit and hard drives sell for $113 per unit, the revenue from x computers and y hard hard drives
dusya [7]
(x)1100+(y)113 x depends on the amount of computers is sold so x will change. y will be the amount of hard drives sold and then you add the total amount together.
8 0
3 years ago
A ladder is leaning up against a 17 foot Wall at an angle of elevation of 37°. How far is the foot of the latter from the wall?
inn [45]
This is the concept of trigonometry, the distance from the foot of the ladder will be given by:
tan theta=[opposite]/[adjacent]
opposite=17 ft
adjacent=x ft
theta=37°
thus
tan 37=17/x
x=17/tan 37
x=22.56 ft
=22.6 ft (to the nearest 10th of a foot)

6 0
3 years ago
There is a bag filled with 5 blue, 4 red and 3 green marbles.
valentinak56 [21]

Answer: 2/12 (1/6 simplified)

Step-by-step explanation:

5+4+3=12

2 marbles of the same color

2/12

2/2=1

12/2=6

4 0
3 years ago
What integer describes a decrease of seven? (A. 7 / B. -7 / C. 0 / D. 1/7)
Pie

Answer:

I thin B -7 cause its negative and negative goes down.

Step-by-step explanation:

3 0
2 years ago
3x+y=5 , 2x-2y=22 solve the system of equations by the addition method
IgorLugansk [536]

<span><em />
3x+y=5</span>

<span /><span>2x-2y=22 ...............2(x-y)=22 ⇒ x-y=11</span><span><em /></span>

<span><em>3x+y=5</em></span>

<span /><span><em><u>x-y=11                   </u> </em>(+)</span>

<span />3x+x+y-y=11+5

<span>4x=16  /:4</span>

<span /><em>x=4</em>

x-y=11

4-y=11

-y=7 /*(-1)

<em>y=-7</em>


<span><em></em></span>

5 0
3 years ago
Read 2 more answers
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