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nexus9112 [7]
3 years ago
7

1. Is (1, 5) a solution to the equation y = x – 2? (1 point)

Mathematics
2 answers:
insens350 [35]3 years ago
7 0

Answer:

no, yes, all and 110 calories.

Step-by-step explanation:

1. 5 ≠ 1-2 So the answer is no.

2. -6 = 3(-2) so the answer is yes.

3. 5 = 3+2, 6= 4+2, 7=5+2 and 8 =6+2 so the answer is all.

4. the relation is x minutes = x*11 calories, so for 10 minutes:

10*11 = 110 calories.  

goldenfox [79]3 years ago
6 0
Here are the answers:

1. No. The answer is (-1,-4)
2. Yes.
3. All are solutions to y = x + 2: (3,5), (4,6), (5,7), and (6,8)
4. You will burn a total one hundred ten calories in ten minutes.
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Given that (ax^2 + bx + 3) (x+d) = x^3 + 6x^2 + 11x + 12, it asks a + 2b - d = ?
astraxan [27]

Answer:

a+2b-d=1, 3, 5, 7

Step-by-step explanation:

(ax^2+bx+3)(x+d)

ax^3+bx^2+3x+adx^2+bdx+3d

ax^3+bx^2+adx^2+3x+bdx+3d=x^3+6x^2+11x+12

ax^3=x^3, a=1

bx^2+adx^2=6x^2

x^2(b+ad)=6x^2

b+ad=6

b+(1)d=6

b+d=6

------------

3x+bdx=11x

x(3+bd)=11x

3+bd=11

-----------------

b=6-d

3+(6-d)d=11

3+6d-d^2=11

3-11+6d-d^2=0

-8+6d-d^2=0

d^2-6d+8=0

factor out,

(d-4)(d-2)=0

zero property,

d-4=0, d-2=0

d=0+4=4,

d=0+2=2

b=6-4=2,

b=6-2=4.

------------------

a+2b-d=1+2(2)-2=1+4-2=5-2=3

-------------------

a+2(4)-4=1+8-4=9-4=5

-----------------------

a+2(2)-4=1+4-4=5-4=1

-----------------------

a+2(4)-2=1+8-2=9-2=7

5 0
3 years ago
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