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Westkost [7]
3 years ago
6

2 ( −14 + r ) − ( −3r − 5 )

Mathematics
2 answers:
svet-max [94.6K]3 years ago
4 0
-28+2r+3r+5 
simplified it is -23+5r
Semenov [28]3 years ago
4 0
<span>2 ( −14 + r ) − ( −3r − 5 )
</span>
(-28 + 2r) - (-3r - 5)

-33 + 5r

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If an image of a triangle is congruent to the pre-image, what is the scale factor of the dilation?
zhannawk [14.2K]

Answer:

1

Step-by-step explanation:

A dilation of .1 or 1/2 would decrease the size. Since the numbers are smaller than zero the triangles would no longer be congruent. A dilation of 10 would increase the size of the triangle, causing the triangles to no longer be congruent. A scale fact of one is equivalent to the same size because 1 does not increase or decrease the size.

8 0
3 years ago
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Jake has a bag of 50 beads, some of which are blue and the remaining are green. Jake randomly pulls out a bead from the bag, rec
lana [24]
It should be D: 35. 14 + 6 = 20. I just multiplied that by two, which equals 40. That means there are 2 sets of 14 and 2 sets of 6. Since there is 10 leftover, I divided both by 2. 7 + 3 = 10. 14 x 2 = 28 + 7 = 35
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3 years ago
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Randy works 50 weeks a year, averaging $500 a week in wages. He is offered a salaried position at $27,500 a year. If he accepts
blagie [28]

Answer:

b. more money

Step-by-step explanation:

Randy's original position lets him make:

50*500 = $25,000

The new position will let him make:

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3 0
1 year ago
Please help asap!!!!
Neporo4naja [7]

Answer:

1) Area = 12cm²

2) x = 5cm

Surface area : 69cm²

Step-by-step explanation:

Opposites sides in a rectangle would equal the same.

so Top/bottom = 20+20=40

Front/back = 15+15=30

40+30=70cm²

94-70=24cm² for left and right side 24÷2=12cm²

2) Those lines represents what side it is equal too which also means the same.

3cm, you know that base x height = surface area so surface area ÷ height = base

15/3=5cm

x=5cm

Formula : Base x Height = One surface area

Front/Back= 15+15=30

Top/bottom = 5x3 = 15+15=30

side/side = 3x3=9

30+30+9=69cm²

7 0
2 years ago
Identify the percent of change from 2/5 to 1/3 as an increase or a decrease.
Harrizon [31]

Answer:

V1 2 and V2 1

Step-by-step explanation:

look at the picture above to get ur answer

5 0
2 years ago
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