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2 years ago

Start with the value of 25, double it, and then calculate the percent increase.

Mathematics

1 answer:

Zanzabum2 years ago

7 0

Answer: 100%

Step-by-step explanation:

If you start with 25 and double it you will get 50 and 25 is half of 50 so the percent increase will be 100%.

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A circle has a diameter of 14 feet. What is the circumference of the circle? Use 3:14 for pie.

Marianna [84]

Answer:

Circumference= $43.96 feet$

Step-by-step explanation:

Diameter of the circle= 14 feet

Radius of the circle= 14/2= 7 feet

Circumference of the circle= $2\pi r$

As, $\pi =\frac{22}{7}=3.14$

Circumference:

$=2*3.14*7\\\\=3.14*14\\\\=43.96feet$

The circumference of the circle with the radius= 7 feet is $43.96 feet$

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3 years ago

A number x rounded to 1 significant figure is 40. What is the error interval for x.

Viktor [21]

Answer:sorry i need points for my test

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

What is 3 multiply by 3/5

Alecsey [184]

3×5 is 15
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6 0

3 years ago

Read 2 more answers

The vector v⃗ in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis.

allsm [11]

The vector v in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis is: (3/√2, 3√2) and The vector w in 3-space of length 1 lying in the yz-plane pointing upward at an angle of 2π/3 measured from the positive y-axis is: (0, -1/2, √3/2).

<h3>Vector</h3>

a. Vector (v)

Vector (v)=v (cos Ф, sin Ф)

V=1 while the counterclockwise angle that is measured from positive x=Ф=π/4

Hence:

Vector=3(cos π/4, sinπ/4)

Vector=(3/√2, 3√2)

b. Vector w:

Vector w=1(0, cos 2π/3, sin2π/3)

Vector w=(0, -1/2, √3/2)

Therefore the vector v in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis is: (3/√2, 3√2) and The vector ws: (0, -1/2, √3/2).

The complete question is:

Resolve the following vectors into components:

a. The vector v in 2-space of length 3 pointing up at an angle of π/4 measured from the positive x-axis.

(b) The vector w in 3-space of length 1 lying in the yz-plane pointing upward at an angle of 2π/3 measured from the positive y-axis.

Learn more about vector here:brainly.com/question/25705666

#SPJ1

5 0

1 year ago

Find the length of the missing side in the figure below. a = _______ cm.

WITCHER [35]

Answer:

$\frac{2 \sqrt{177} }{5}$