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Kruka [31]
3 years ago
6

What are the factors of x2 + 3x – 4?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
5 0

Answer:

( x+4) ( x-1)

Step-by-step explanation:

x^2 + 3x – 4

What two numbers multiply to -4 and add to 3

4 * -1 = -4

4+-1 = 3

( x+4) ( x-1)

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Toys r us is having a 38% off sale on all backpacks. if a backpack normally costs $22.00, how much will it be on sale?
Fudgin [204]

we know that

38\%= \frac{38}{100} =0.38

The price on sale will be equal to

(1-0.38)*\$22.00=0.62* \$22.00=\$13.64

therefore

<u>the answer is</u>

\$13.64

7 0
3 years ago
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Please help me create a truth table for the statement p^(qv~p)
enyata [817]
Hello,

1)  p∧(q∨¬p)=(p∧q)∨(p∧¬p)=p∧q proof:

2)

p|q|¬p|q∨¬p|p∧(q∨¬p)|p∧q
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7 0
3 years ago
Two sides of a triangle are 7 m 7 m and 12 m 12 m in length and the angle between them is increasing at a rate of 0.06 rad/s 0.0
gayaneshka [121]

Answer:

1.26 m^2 / s.

Step-by-step explanation:

The area A of the triangle = 1/2*7*12 sin x  = 42 sin x where x  is the angle between the lines.

Relation between the rates is

dA/dt  + dA/dx * dx/dt

We are given that dx /dt = 0.06 rad/s.

A = 42 sin x

dA/dx = 42 cos x

So dA/dt = 42 cos x * 0.06

When x = π/3  ( I am assuming that π 3 means π divided by 3 ):

dA/dt = 42 cos π/3 * 0.06

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8 0
3 years ago
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Inga [223]

Answer:

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Step-by-step explanation:

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The slope of AC can be found using

m=\frac{y_1-y_2}{x_1-x_2}

Substitute the variables to get;

m=\frac{b-d}{a-c}

4 0
4 years ago
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if x is at (4 3) what would be the coordinates of X' (the new point) if you translated 4 units up and 7 units left
timurjin [86]

Answer:

(-3,7)

Step-by-step explanation:

5 0
3 years ago
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