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katrin [286]
3 years ago
9

Is this equivalent 8z(4+z) and 32x+8z

Mathematics
1 answer:
Nadya [2.5K]3 years ago
8 0

Hey there!

No, they aren't equal, although they do come close!

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Jennifer went on a shopping spree, spending a total of $165 on a skirt, a sweater, and a pair of shoes. The cost of the sweater
ahrayia [7]
X=skirt
y=sweater
z=shoes

x+y+z=165
y=8/7x
z=x+11
plug it in
x+(8/7x)+(x+11)=165
2x+8/7x=154
22/7x=154
x=49
y=56
z=60
a skirt cost $49, a sweater cost $56, and a pair of shoes cost $60
7 0
2 years ago
When factored completely, the expression 3x2 - 9x + 6 is equivalent to
Lunna [17]
Let's see what the options look like when we multiply the expressions in brackets:

(first, i multiply both parts of the second bracked by the first part of the first bracket, and then the same with the second part of the first bracket:
<span>(1) (3x - 3)(x - 2))

3x2 +6x -3x +6// this is not correct

(2) (3x + 3)(x - 2) </span>


3x2-6x+3x-6//this is not correct

(3)

3(x + 1)(x - 2)
3(x2-2x+x-2)//simplifying:
3(x2-x-2)//multiplying:
3x2-3x-6)
- so this is not correct either
(4) 3(x - 1)(x - 2)
3(x2-2x - x + 2)
3(x2-3x +2)
3x2-9x +6 - well, here is our winner!






8 0
3 years ago
Read 2 more answers
Draw two different perimeters of a rectangle with an area of 14 units. Name their dimensions.
Alenkasestr [34]
1:
Length: 7
Width:2
Perimeter: 18

2:
Length: 5
Width: 2.8
Perimeter: 15.6
8 0
3 years ago
What is 39 divide by 2
marta [7]

19.5

Step-by-step explanation:

u just divide 39 by 2 and get 19.5

6 0
3 years ago
PLS HELPPPP ILL GIVE BRAINLIEST HELP HELP
mojhsa [17]

Answer:B

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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