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Wittaler [7]
3 years ago
11

Help URGENT!!!

Mathematics
1 answer:
PtichkaEL [24]3 years ago
8 0
You can spend 3.57 per square foot of carpet. You take 14*14 and then you take that number and divide 700 by it
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Without solving determine the number of real solutions for each quadratic equation
seropon [69]

Answer:

b^2-4b+3=0

b²-3x-b+3=0

b(b-3)-1(b-3)=0

(b-3)(b-1)=0

either

b=3 or b=1

.

2n^2 + 7 = -4n + 5

2n²+4n+7-5=0

2n²+4n+2=0

2(n²+2n+1)=0

(n+1)²=0/2

:.n=-1

.

x - 3x^2 = 5+ 2x - x^2

0=5+ 2x - x^2-x +3x^2

0=5+x+2x²

2x²+x+5=0

comparing above equation with ax²+bx +c we get

a=2

b=1

c=5

x={-b±√(b²-4ac)}/2a ={-1±√(1²-4×2×5)}/2×1

={-1±√-39}/2

3 0
2 years ago
Use the distributive property to remove the parentheses.<br> -4(-6y + 2w-4)
olga_2 [115]

Answer: 24y - 8w + 16

Step-by-step explanation:

Basically to remove the parenthesis you just distribute the -4 outside of the parenthesi and you get 24y - 8w + 16.

4 0
2 years ago
If f(x) = 4x + 12 is graphed on a coordinate plane, what is the y-intercept of the graph
Lelechka [254]
The answer is 12 because the linear equation is mx+b,where m is the slope and b is the y-intercept.
7 0
3 years ago
In right triangle ABC, B = 51° and AB = 14. BC = _____
liq [111]
The final angle has an angle measure of 115 degrees.
4 0
3 years ago
Solve the equation: 10y-7=27
mrs_skeptik [129]

Answer:

10y=27+7

10y=34

y=34/10

y=3.4

Step-by-step explanation:

Firstly 7 is added to 27

Then adding 7 and 27

Dividing 34 by 10

8 0
3 years ago
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