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taurus [48]
3 years ago
8

Can someone please help me with my homework Ignore the bottom question

Mathematics
1 answer:
pav-90 [236]3 years ago
6 0

1. x = 1    2. x = -30   3. x = -2   4. x = 15   5. x = 7, y = 11   6. x = 4, y = 1  

7. x = 1/2, y = 25/5   8. x = 1/4, y = 11/2

hope this helps :3

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write a problem involving addition subtraction multiplication or division of integers and include the answer
jenyasd209 [6]
7+(-3)=4
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8 0
3 years ago
4. How fast was a driver going if the car left skid marks that were 32 feet long on dry concrete? (The coefficient of friction i
Monica [59]

Answer:

v_{o} \approx 31.247\,mph

Step-by-step explanation:

The deceleration experimented by the car is the product of kinetic coefficient of friction and gravitational constant:

a = \mu_{k}\cdot g

a = (1.02)\cdot \left(32.174\,\frac{ft}{s^{2}} \right)

a = 32.817\,\frac{ft}{s^{2}}

The initial speed is computed from the following kinematic expression:

v^{2} = v_{o}^{2} - 2\cdot a \cdot \Delta s

v_{o} = \sqrt{v^{2}+2\cdot a\cdot \Delta s}

v_{o} = \sqrt{\left(0\,\frac{ft}{s} \right)^{2}+2\cdot \left(32.817\,\frac{ft}{s^{2}} \right)\cdot (32\,ft)}

v_{o}\approx 45.829\,\frac{ft}{s}

v_{o} \approx 31.247\,mph

8 0
3 years ago
Which shape has four congruent sides and two sets of parallel sides?
Dovator [93]
It’s a Parallelogram
6 0
2 years ago
5 ( 3 squared x) + 9 ( 3 squared x)
yulyashka [42]

Answer:

42x^2

Step-by-step explanation:

5(3x^{2} )+9(3x^2)\\\\=(5+9)(3x^2)\\\\=14(3x^2)\\\\=42x^2

5 0
3 years ago
I'll give brainlest <3
AleksandrR [38]
45 maybe bc it’s small
3 0
2 years ago
Read 2 more answers
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