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mina [271]
3 years ago
12

2(x – 3) + 7 = 4(x + 1) – 2

Mathematics
2 answers:
Usimov [2.4K]3 years ago
6 0

Answer:

x=-0.5

Step-by-step explanation:

Genrish500 [490]3 years ago
4 0

Answer:

ok i am going to give the graph

Step-by-step explanation:

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Find all solutions to the equation $x^2 - 8x = -16$.
statuscvo [17]

Answer:

x = 4

Step-by-step explanation:

x^2 - 8x = -16

Add 16 to both sides.

x^2  8x + 16 = 0

This may be the square of a binomial.

x^2 is the square of x

16 is the square of 4 and -4.

Let's check the middle term:

2ab = 2(x)(-4) = -8x

Yes, it is the square of a binomial.

x^2 - 8x + 16 = 0

(x - 4)^2 = 0

x - 4 = 0 or x - 4 = 0

x = 4 or x = 4

Answer: x = 4

6 0
3 years ago
If the dimensions of a pentagonal prism are quadrupled, then the surface area of the prism is multiplied by eight.
Lubov Fominskaja [6]

Answer:

false

Step-by-step explanation:

the relationship between lengths/dimensions and areas is that areas are created by multiplying 2 dimensions.

when you quadruple (×4) the dimensions, then the areas are growing with the square of the factor (×4×4 = ×16), because the factor goes twice into the multiplication : one time for every dimension involved.

so, quadrupling the dimensions would multiply the areas by 16.

8 0
3 years ago
Not done just yet!<br><br><br><br><br> Let’s do this!
patriot [66]

Answer: A and C

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A college student earned $8200 during summer vacation working as a waiter in a restaurant on the boardwalk at the beach. The stu
Butoxors [25]


Let f be the fraction invested at 10%. So (1-f) is the fraction at 7%. After one year the interest is


664 = 8200 f (.10) + 8200 (1-f) (.07) = 8200(.03)f + 8200(.07)


f = (664 - 8200(.07))/(8200(.03)) = .3659 = 36.59 %


Answer: 36.59%


Check:


8200(.3659)*.1 + 8200(1-.3659)*.07 = 664.01 good





8 0
3 years ago
Read 2 more answers
When factoring an algebraic expression, what property are we "undoing"?
DerKrebs [107]

Answer:

The Distributive Property

4 0
3 years ago
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