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Nikitich [7]
3 years ago
15

a triangle has coordinates a(-1,-2) b(-4,-2) and c(-4,-5) what are the coordinates of a' the image of point a under a dilation w

ith a scale factor of 3?
Mathematics
1 answer:
quester [9]3 years ago
8 0

9514 1404 393

Answer:

  (-3, -6)

Step-by-step explanation:

The scale factor multiplies each coordinate.

  A' = 3A = 3(-1, -2) = (-3, -6)

The image of A is ...

  A'(-3, -6)

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Help me please!!!<br><br> Evaluate :<br> 5-3 x when x = - 7
4vir4ik [10]
5 - (3 x -7)
5 - (- 21)
5 + 21
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7 0
3 years ago
What is the error when the integral <img src="https://tex.z-dn.net/?f=%5Cint%5Climits%5E0_1%20%7Bsin%28pix%29%20%2C%20dx" id="Te
Mademuasel [1]

Answer:

the integral is -2 but im not quite sure what the error is.

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Step-by-step explanation:

5 0
3 years ago
The length of a rectangle is 5 inches more than its width, x. The area of a rectangle can be represented by the equation x2 + 5x
nikdorinn [45]

Answer:

  width: 15 inches; length: 20 inches

Step-by-step explanation:

The equation tells you the product of width (x) and length (x+5) is 300, so you're looking for factors of 300 that differ by 5.

  300 = 1·300 = 2·150 = 3·100 = 4·75 = 5·60 = 6·50 = 10·30 = 12·25 = 15·20

The factors in the last pair on this list differ by 5, so we have ...

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5 0
3 years ago
In triangle STU, s = 9 cm, t = 15 cm, and m angle U = 37 degrees. Find u.
liq [111]
We can solve the length of u using Laws of Cosine since we are given with lengths of two side and one angle.
The solution is shown below:
cos U =( s²+t²-u²)/2st
cos 37°= (9²+15²-u²)/2*9*15
0.79863*270=306-u²
u²=306-215.63
u=9.5 units
Therefore, the length of u is 9.5cm.

4 0
3 years ago
Read 2 more answers
HELP ME IF RIGHT MARK BRAINLY
aalyn [17]

Answer:

A. m+7n+14

Step-by-step explanation:

Add parenthesis to help simplify.

(5m-4m)+(22-8)+7n

Simplify the expression.

m+7n+14

7 0
3 years ago
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