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d1i1m1o1n [39]
3 years ago
8

This is 4 questions.

Mathematics
2 answers:
dmitriy555 [2]3 years ago
5 0
A C A B. I THINK IM NOT FOR SURE
jeka943 years ago
4 0
1) a. 15% decrease
2) a. $79.20
3) b. 14.3% increase
4) a. $4.68

#1 explanation:
1435 - 1220 = 215
215/1435 = 0.1498
0.1498 x 100 = 14.98 = 15%

#2 explanation:
220 x 0.6 = 132
220-132=88
88 x 0.1 = 8.8
88-8.8 = 79.2 $

#3 explanation:
32-28=4
4/28=0.1428
0.1428 x 100 = 14.28 = 14.3%

#4 explanation:
275 x 0.15 = 41.25
275-41.25 = 233.75
233.75 x 0.02 = 4.675 = 4.68 $
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Please help me with this!!!!!
vekshin1

Answer:

y = 4

Step-by-step explanation:

Note that A and B have the same x-coordinate:  1.  This means that AB is a vertical line through x = 1.  The perpendicular bisector of AB must be a horizontal line situated halfway between y = 3 and y = 5.  Thus, it's just y = 4.

Review:  y = 4 bisects AB and represents a horizontal line.

6 0
3 years ago
Wayne is hanging a string of lights 58 feet long around the three sides of his patio, which is adjacent to his house. The length
podryga [215]

Answer:

The length of the patio is 32 ft and the width is 13 ft

Step-by-step explanation:

see the attached figure to better understand the problem

Let

L ----> the length of his patio

W ---> the width of his patio

we know that

L+2W=58 ----> equation A

L=2W+6 ----> equation B

substitute equation B in equation A and solve for W

2W+6+2W=58

4W+6=58

4W=58-6

4W=52

W=13\ ft

Find the value of L

L=2W+6  ----> L=2(13)+6=32\ ft

therefore

The length of the patio is 32 ft and the width is 13 ft

3 0
3 years ago
What is the image of (-9,-5) after a dilation by a scale factor of 5 centered at the origin?​
Novosadov [1.4K]

Answer:

(-45,-25)

Step-by-step explanation:

-9 * 5 = -45-5 * 5 = -25(-45,-25)

6 0
2 years ago
PLEASE ANSWER ASAP 10 points! If a scale factor between zero and one is used, the dilation will shrink the pre-image. True or fa
Ipatiy [6.2K]
True, because if you add pi (3.14) to 0, you get the result 34.234, which is also the result of the formula which is used to shrink the dilation AND the pre-image.
6 0
3 years ago
Solve pls brainlies
MrRa [10]

Answer:

2) 11

3) 21

4) 7

Step-by-step explanation:

2) (-6) -(-17) = 17 - 6 = 11

3) 19 - (-2) = 19 + 2 = 21

4) (-13) + 20 = 20 - 13 = 7

6 0
3 years ago
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