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Lostsunrise [7]
4 years ago
6

2(x-y) the same as 2x-2y 4(x+y) the same as 4y+4x

Mathematics
1 answer:
Levart [38]4 years ago
7 0

Distribution of properties

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A go kart's top speed is 607,200 feet per hour. What is the speed in miles per hour?
Cloud [144]

Answer:

115 MPH.

Step-by-step explanation:

According to Bing, 1 foot per hour = 0.000189393939 mph.

607200 * 0.000189393939 = 114.9999997608

The max speed of the go-kart is approximately 115 mph.

3 0
3 years ago
Read 2 more answers
how that every member of the family of functions y = (4 ln(x) + C)/x is a solution of the differential equation x2y' + xy = 4. (
Sergeeva-Olga [200]

y=\dfrac{4\ln x+C}x\implies y'=\dfrac{x(4\ln x+C)'-(4\ln x+C)(x)'}{x^2}=\dfrac{4-4\ln x-C}{x^2}

Substitute this into the differential equation:

x^2y'+xy=4-4\ln x-C+4\ln x+C=4

so every solution of the given form y is a solution.

5 0
3 years ago
using the distributive property to find the product (y-4)(y^2+4y+16) results in a polynomial of the form y^3 + 4y^2 + ay - 4y^2
Anni [7]
(y-4)(y^2+4y+16)
y^3+4y^2+16y-4y^2-16y-64=y^3+4y^2+ay-4y^2-ay-64
Comparing the coefficients: a=16
Answer: The value of a in the polynomial is 16
7 0
3 years ago
Read 2 more answers
What is the reason for each step in the solution of the inequality? 28−3(x−2)<5x+10
NeTakaya

Answer:

1. 28 − 3(x − 2) < 5x + 10            Given

2. 28 − (3)(x) + (-3)(-2) < 5x + 10       Distributive Property <em>a(b + c) = ab+ ac</em>

28 − 3x + 6 < 5x + 10

3.  (28 + 6) - 3x < 5x + 10             Combine Like Terms

34 − 3x < 5x + 10

4. 34 - 3x + 3x < 5x + 3x + 10             Addition Property of Order

34 < 8x + 10

5. 34 - 10 < 8x + 10 - 10        Subtraction Property of Order

24 < 8x

6. 24/8 < 8x/8        Division Property of Order

3 < x

5 0
3 years ago
23= 9w-8 / 3 + 5w-7/6
kirill115 [55]

Answer:

w= 23/12

Step-by-step explanation:

1. Multiply the numbers.

23=9w-1*8/3+5w-1*7/6

23=9w-8/3+5w-1*7/6

2. Subtract the numbers.

23=9w-8/3+5w-7/6

23=9w-23/6+5w

3. Combine Like terms

23=9w-23/6+5w

23=14w-23/6

4. Add 23/6 to both sides of the equation.

23+23/6=14w-23/6=26/6

5. Simplify

161/6=14w

6. Divide both sides of the equation by the same term.

161/6=14w

161/6/14=14w/14

7. Simplify

w=23/12

8 0
3 years ago
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