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Kamila [148]
3 years ago
10

1. Multiply 4(x3 - 2x + 4)

Mathematics
1 answer:
andrew11 [14]3 years ago
7 0
The first one is B
<span>4(x3 - 2x + 4)
 distribute the 4 to everything in the parenthesis to get

4x3 - 8x  + 16

The second one is A
  distribute the -2x to everything in parenthesis to get 
</span><span> -2x(3x2 + x - 5)
</span><span>
-6x2 -2x + 10

</span>


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Find the distance between points O and V.-2 and 1/2
inn [45]

This problem is about the distance between points, in this case, we have to unidimensional coordinates, that is, point O is at -2, and Point V is at 1/2.

It's important to know that the proper way to find the distance here is by subtraction, we need to subtract the final points and the initial point. In math, such subtraction is called "differential" or "variation", just a fancy name.

\Delta=\frac{1}{2}-(-2)=\frac{1}{2}+2=0.5+2=2.5

<h2>Therefore, the distance from O to B is 2.5 units.</h2>
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1 year ago
In triangle ABC, AB= 10cm, AC=9cm and angle B=60 degrees. Let BC=x cm. Use cosine rule to show that x is a solution of x^2-10x+1
stira [4]

Answer:

Step-by-step explanation:

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3 years ago
Tim has 2/3 cup of chocolate syrup. If he uses 1/9 cup of chocolate syrup for each serving of chocolate milk, how many servings
zimovet [89]

Answer:

6 servings

Step-by-step explanation:

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\frac{2}{3} ÷ \frac{1}{9}

=\dfrac{2}{3}*\dfrac{9}{1}

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3 0
2 years ago
The amount of orange juice in a bottle is modeled by the equation y=128-8x, where y is the number of ounces of juice in the bott
Fantom [35]

Answer:

Number of servings left is bottle = 128-9x

Step-by-step explanation:

The amount of orange juice in a bottle is modeled by the equation

y=128-8x ---Eq (1)

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and x = number of servings of juice poured from the bottle

Number of servings left is bottle =  number of ounces of juice in the bottle -number of servings of juice poured from the bottle

Thus,

Number of servings left is bottle =  y -x

Substracting x from both the sides of the above equation, we get - y-x = 128-8x-x\\y-x = 128-9x

Number of servings left is bottle = 128-9x

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3 years ago
Find the area of polygon
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