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zubka84 [21]
3 years ago
7

Allison had 310 rocks in the rock collection after three months, her collection increases by 40% how many rocks does she have no

w?
Mathematics
1 answer:
stepladder [879]3 years ago
5 0

Answer:

434

Step-by-step explanation:

310 times .4 (percentage) = 124 which is how much she gained, then you add that onto the original amount to find how many she has now, which is 434

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What two nonnegative real numbers with a sum of 64 have the largest possible product?
Otrada [13]

The two non negative real numbers with a sum of 64 that have the largest possible​ product are; 32 and 32.

<h3>How do we solve the nonnegative real numbers?</h3>

Let the two numbers be x and y.

Thus, if their sum is 64, then we have;

x + y = 64

y = 64 - x

Their product will be;

P = xy

Putting (64 - x) for y in the product equation we have;

P = (64 - x)x

P = 64x - x²

Since the product is maximum, let us find the derivative;

P'(x) = 64 - 2x

At P'(x) = 0, we have;

64 - 2x = 0

2x = 64

x = 64/2

x = 32

Thus; y = 64 - 32

y = 32

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1 year ago
Given the diagram below, what is cos 45
Mamont248 [21]
Hey

Your answer is pretty simple

1/√2
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4 years ago
The line that contains the point Q( 1, -2) and is parallel to the line whose equation is y - 4 = 2/3 (x - 3)
Musya8 [376]

Answer:

y + 2 = \frac{2}{3}(x - 1)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

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y - 4 = \frac{2}{3}(x - 3) ← is in point- slope form

with slope m = \frac{2}{3}

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with m = \frac{2}{3} and (a, b) = Q(1, - 2) is

y - (- 2) = \frac{2}{3}(x - 1) , that is

y + 2 = \frac{2}{3}(x - 1)

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Answer:

1

Step-by-step explanation:

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3 years ago
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PLZ HELP ME:Evaluate: What is the value of the expression -5(3 + 4)?
almond37 [142]

Answer:

-35

Step-by-step explanation:

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3 years ago
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