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Fed [463]
3 years ago
6

-y- 3 (-3y+5) helpppppppp

Mathematics
1 answer:
valentinak56 [21]3 years ago
3 0

Answer:

D = 8y-15

Step-by-step explanation:

-y-9y-15 than combine -y and -9y

so = 8y-15

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If the side of a rectangular prism is doubled, how would this affect the area? How about the volume?
professor190 [17]

Answer:

Step-by-step explanation:

The area will be increased by 4 times  and volume will be increased by 8 times

Area of rectangular prism = 2 (lb+bh +hl)

When sides are doubled, Area = 2 (2l * 2b +2b *2h + 2h*2l)

                                                     = 4 * 2 (lb+bh +hl)

Volume  of rectangular prism = lbh

When sides are doubled,  Volume = 2l * 2h * 2b = 8 lbh

6 0
3 years ago
A rectangular board is 1300 millimeters long and 900 millimeters wide. What is the area of the board in square meters? Do not ro
alexdok [17]

1300 mm = 1.3 m

900 mm = 0.9 m

Area

1.3 * 0.9 = 1.17 m²

5 0
3 years ago
Read 2 more answers
What is the name 2 in the value 222,222
Svetach [21]
The underlined 2 in 222,222 is in the hundred thousand place (two hundred thousand)

the underlined 2 in 222,222 is in the ten thousand place (twenty thousand)

the underlined 2 in 222,222 is in the thousand place (two thousand)

the underlined 2 in 222,222 is in the hundred place (two hundred)

the underlined 2 in 222,222 is in the ten place (twenty)

the underlined 2 in 222,222 is in the ones place (two)



Read more on Brainly.com - brainly.com/question/554829#readmore
4 0
4 years ago
Read 2 more answers
Solve for y where y is a real number<br> √8y-7=7
kipiarov [429]

Answer: y = 7

Step-by-step explanation:

√8y - 7 = 7

(√8y - 7)^2 = (7)^2

8y - 7 = 49

+7. +7

8y = 56

Y = 7

3 0
4 years ago
Solve the proportional equation 2/3 = x/15
dimulka [17.4K]
  2            x
 -----  =  ------
  3           15

cross multiply
(3)(x) = (15)(2)
3x = 30
x = 30/3
x = 10

so 2/3 = 10/15.......notice how these are equivalent fractions....that is because proportions are nothing but equivalent fractions
5 0
3 years ago
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