1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ra1l [238]
3 years ago
7

Which expression has a value of 9/10

Mathematics
1 answer:
Luda [366]3 years ago
7 0

Answer:

Me too

Step-by-step explanation:

Is there a good

You might be interested in
The number calls 911 rose from 210000 in 2001 to 400000 in 2002
r-ruslan [8.4K]

i'm guessing this is asking what percentage it went up by? if so it went up by 190.47 percent.  ***400,000 / 210,000 = 1.9047619***

7 0
3 years ago
Which statement about the area of a right triangle is true?
timurjin [86]

Answer:

H

Step-by-step explanation:

This is because a rectangle can be divided into two triangles.

5 0
3 years ago
The measurenicnt of the circumference of a circle is found to be 56 centimeters. The possible error in measuring the circumferen
BartSMP [9]

Answer:

(a) Approximate the percent error in computing the area of the circle: 4.5%

(b) Estimate the maximum allowable percent error in measuring the circumference if the error in computing the area cannot exceed 3%: 0.6 cm

Step-by-step explanation:

(a)

First we need to calculate the radius from the circumference:

c=2\pi r\\r=\frac{c}{2\pi } \\c=8.9 cm

I leave only one decimal as we need to keep significative figures

Now we proceed to calculate the error for the radius:

\Delta r=\frac{dt}{dc} \Delta c\\\\\frac{dt}{dc} =    \frac{1}{2 \pi } \\\\\Delta r=\frac{1}{2 \pi } (1.2)\\\\\Delta r= 0.2 cm

r = 8.9 \pm 0.2 cm

Again only one decimal because the significative figures

Now that we have the radius, we can calculate the area and the error:

A=\pi r^{2}\\A=249 cm^{2}

Then we calculate the error:

\Delta A= (\frac{dA}{dr} ) \Delta r\\\\\Delta A= 2\pi r \Delta r\\\\\Delta A= 11.2 cm^{2}

A=249 \pm 11.2 cm^{2}

Now we proceed to calculate the percent error:

\%e =\frac{\Delta A}{A} *100\\\\\%e =\frac{11.2}{249} *100\\\\\%e =4.5\%

(b)

With the previous values and equations, now we set our error in 3%, so we just go back changing the values:

\%e =\frac{\Delta A}{A} *100\\\\3\%=\frac{\Delta A}{249} *100\\\\\Delta A =7.5 cm^{2}

Now we calculate the error for the radius:

\Delta r= \frac{\Delta A}{2 \pi r}\\\\\Delta r= \frac{7.5}{2 \pi 8.9}\\\\\Delta r= 0.1 cm

Now we proceed with the error for the circumference:

\Delta c= \frac{\Delta r}{\frac{1}{2\pi }} = 2\pi \Delta r\\\\\Delta c= 2\pi 0.1\\\\\Delta c= 0.6 cm

5 0
3 years ago
The third mean of a GP of two numbers 27 and 1/27 is 1. Find the number of means. ​
Artyom0805 [142]

Answer:

The mean is \sqrt{3}.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Given the graph of the function F(x) below, what happens to F(x) when x is a negative number with a large absolute value?
noname [10]

Answer:F(x) is a negative number with a small absolute value

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is 32 rounded to the nearest hundred
    12·1 answer
  • What is the elapsed time between 1:35-6:00
    6·2 answers
  • Tina used 10 1/2 yards of yarn to make three yarn dolls. She used 4 1/2 yards of yarn for the first doll and 2 1/9 yards for the
    9·2 answers
  • 25% of what number is 30.2? i need help solving.​
    8·2 answers
  • Please explain how you got it
    9·1 answer
  • What is the opposite of -85.23
    11·2 answers
  • Jeraldo works for a homeless shelter. He paid $450 for bed frames and needed to buy 32 beds. What's the most he can spend per be
    12·1 answer
  • 1. Anil runs around a square park of side 90 m. Rohan runs around a rectangular
    5·1 answer
  • Choose the equation of a circle with radius 6 and center (2, -3).
    8·1 answer
  • Please answer quickly ​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!