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maxonik [38]
3 years ago
14

Please answer for me :

Mathematics
2 answers:
Arisa [49]3 years ago
8 0

Answer:

Part A - 2\frac{1}{2} + b = 4\frac{2}{3}

Part B - 2\frac{1}{6}

Step-by-step explanation:

Andrei [34K]3 years ago
6 0

A. Option 2

B. Option 2

Part A

The number of pounds of blueberries Sam and Ben have in total is the sum of the number of pounds of blueberries Sam has and the number of pounds of blueberries Ben has. The correct equation is 2\frac{1}{2} + b = 4\frac{2}{3}. The second option is correct.

Part B

The number of pounds of blueberries Ben has is 4\frac{2}{3}-2\frac{1}{2}, which is 2\frac{1}{6}.

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What could this answer be??
bekas [8.4K]

The number in the parentheses is the rate of change. Because this number is less than 1 it is a decrease, so it is a decay.

The percent decrease is 1 - 0.63 = 0.37 = 37% decrease

5 0
3 years ago
Which point is on the line that passes through (0,6) and is parallel to the given line? plzz helppp!
Grace [21]

Points on given line = (-12,-2) and (0,-4) because you can see them on the graph.  Then draw a parallel line thru (0,6)

To get from (0,-4) to (0,6) your x stays constant and your y coordinate increased by 10.  So your new point will do the same in relation to (-12,-2)  the x will stay constant at -12 and your y will increase by 10 to +8.  

So the answer is A (-12,8)

You can check this because parallel lines have the same slope so

y2-y1/x2-x1 should be equal for both lines.

Line 1:  -4 - (-2) / 0 - (-12) = -2/12 = -1/6

Line 2:  6 - 8 / 0 - (-12) = -2/12 = -1/6


5 0
3 years ago
Keegan is printing and selling his original design on t-shirts. He has concluded that for x shirts, in thousands sold his total
Katarina [22]

Answer:

t-shirts: 2790

profit: $12209

Step-by-step explanation:

Given  the function:

p(x) = -x³ + 4x² + x

we want to maximize it.

The following criteria must be satisfied at the maximum:

dp/dx = 0

d²p/dx² < 0

dp/dx = -3x² + 8x + 1 = 0

Using quadratic formula:

x = \frac{-b \pm \sqrt{b^2 -4(a)(c)}}{2(a)}

x = \frac{-8 \pm \sqrt{8^2 -4(-3)(1)}}{2(-3)}

x = \frac{-8 \pm 8.72}{-6}

x_1 = \frac{-8 + 8.72}{-6}

x_1 = -0.12

x_2 = \frac{-8 - 8.72}{-6}

x_2 = 2.79

d²p/dx² = -6x + 8

d²p/dx² at x = -0.12: -6(-0.12) + 8 = 8.72 > 0

d²p/dx² at x = 2.79: -6(2.79) + 8 = -8.74 < 0

Then, he should prints 2.79 thousands, that is, 2790 t-shirts to make maximum profits.

Replacing into profit equation:

p(x) = -(2.79)³ + 4(2.79)² + 2.79 =  12.209

that is, $12209

3 0
3 years ago
A car uses 5 2/3 gallons of gas for a 2 hour trip. how many gallons were used each hour
ddd [48]
It would use 2.83 gallons of gas for a 2 hour trip
3 0
3 years ago
What is a number in exponential notation that decreases in value as the exponent increases in value​
Eva8 [605]

Answer:

Any fraction

Step-by-step explanation:

Example:

(2/3)² = 4/9

2/3 > 4/9

7 0
3 years ago
Read 2 more answers
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