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Effectus [21]
3 years ago
5

John's father weighs 20 pounds more than twice

Mathematics
2 answers:
nikitadnepr [17]3 years ago
7 0

Answer:

Step-by-step explanation:

X

svet-max [94.6K]3 years ago
4 0

Answer:

20+2y

Step-by-step explanation:

20 pounds more would be an addition of 20 and twice would have to be represented by 2y because it is double John's weight y.

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If I have an equation in which x = pounds, and y = total cost, can I substitute quarts into the equation
Colt1911 [192]

Answer:

Yes, you can

Step-by-step explanation:

As a point of reference, assume the equation is:

y = 5x

Where

y = total\ cost

and

x = pounds

In standard unit of conversion:

1\ pound = 0.4793\ quart

So:

x\ pounds = 0.4793x\ quart

Substitute 0.4793x for x in y = 5x

y = 5 * 0.4793x

y = 2.3965x

The above equation is the equivalent of y = 5x in quarts

<em>So, irrespective of what the equation is, you can always substitute quarts into the equation.</em>

8 0
3 years ago
A^3b^-2c^-1d if a=2 b=4 c=10 d=15 express as a reduced fraction
I am Lyosha [343]

\bf a^3b^{-2}c^{-1}d\implies \cfrac{a^3d}{b^2c}\qquad \begin{cases} a=2\\ b=4\\ c=10\\ d=15 \end{cases}\implies \cfrac{2^3\cdot 15}{4^2\cdot 10}\implies \cfrac{120}{160}\implies \cfrac{3}{4}

6 0
3 years ago
Given A(-2,1) and B(4,3), what is the midpoint of segment AB​
suter [353]

Answer:

(1,2)

Step-by-step explanation:

to find the midpoint of a line you have to find the midpoint of the x and the y

x is -2 and 4 the midpoint is 1

y is 1 an 3 the midpoint is 2

(1,2)

6 0
3 years ago
Describe how the graph would move from the parent function: y = |x+4| - 12
Aleks04 [339]

Answer:

The graph moves 4 right and 12 down.

Step-by-step explanation:

So let me rewrite the function into all variables:

y = |x + z| + a

If z goes up, the graph moves right.

If z goes down, the graph moves left.

If a goes up, the graph moves up

If a goes down, the graph moves down.

The graph moves 4 right and 12 down.

7 0
3 years ago
Simplify (x+2)(x^2-4x-9)
Reika [66]

Answer:

x^3 - 2x^3 - 17x - 18

Step-by-step explanation:

Multiply each term in the first expression by each term by the second expression and combine like terms.

7 0
3 years ago
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