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Sindrei [870]
3 years ago
15

Differentiate the function: y=x^3+2x-1

Mathematics
1 answer:
RUDIKE [14]3 years ago
7 0

Answer:dy/dx=3x^2 + 2

Step-by-step explanation:

y=x^3 + 2x - 1

dy/dx=3x^2 + 2

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Cameron can rake and fill five. Nine bags of leaves each hour. How many bags of leaves will Cameron rake and fill in 18 hours
Olegator [25]
If he fills 5.9 bags for 18 hours, he will have filled a total of 106.2 bags
4 0
3 years ago
Rearrange the formula V = 1 3 πr2h for h. A) h = 3V πr2 B) h = V 3πr2 C) h = 3πr2 V D) h = πr2 3V
stiks02 [169]

Answer:

Option a) h=\frac{3V}{\pi r^{2} }

Step-by-step explanation:

The given formula seems to represent the volume of right circular cone. The correct formula is:

V=\frac{1}{3} \pi r^{2} h

We have to rearrange the formula for h. This means we have to move h on one side of the formula and all the other variables and constants on the other side of the equation. This can be done as shown below:

V=\frac{1}{3} \pi r^{2} h\\\\3V=\pi r^{2} h\\\\h=\frac{3V}{\pi r^{2} }

5 0
3 years ago
A researcher decides to determine if the type of writing utensil that a student uses while doing their math affects their accura
alexandr1967 [171]

Since the variable type of writing utensil assumes labels and not numbers, it is classified as qualitative.

<h3>What are qualitative and quantitative variables?</h3>
  • Qualitative variables: Assumes labels or ranks.
  • Quantitative variables: Assume numerical values.

In this problem, the type of writing utensil has 4 labels: regular pencil, mechanical pencil, pen, whatever.

Hence, since the variable assumes labels and not numbers, it is classified as qualitative.

More can be learned about quantitative and qualitative variables at brainly.com/question/20598475

5 0
2 years ago
Central sub made 27 sandwiches useing 12 pounds of turkey how much turkey per sandwich?
zhannawk [14.2K]
12 pounds divided up between 27 sandwiches is 0.44 pounds for each sandwich. 12/27=0.44
7 0
3 years ago
Please help me with this math problem
elena55 [62]

When a tangent line (13.5 cm) and a secant (lines x + 8.45 cm) intersect then:


tangent line^2 = 8.45 * (8.45 + x)


13.5^2 = 71.4025 + 8.45 x


182.25 -71.4025 = 8.45x


8.45 x = 110.8475


x = 13.1180473373


x = 13.1 (rounded)


Source:

1728.com/circangl.htm




4 0
3 years ago
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