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Find x.
Round to the nearest tenth.
7cm 7cm 10cm x
x = [? ]cm
Answers
Answer:
4.9 cm
Step-by-step explanation:
To solve this problem you would use the power of a point formula where two chords intersect in the interior of a circle. We get the equation:
7 * 7 = 10 *x
49 = 10x
x = 4.9 cm
Answer:
x = 4
Step-by-step explanation:
the first line (7cm and 7 cm) are the diameter. You add both numbers to get the diameter which would be 14. Then then next line (10 cm and x) would be the diameter as well. You can create an equation for this (10 + x = 14).
Subtract 14-10 and you get 4. Therefore x = 4
Related Questions
The temperature in Juneau, Alaska at noon was -8 degrees Celsius. By 1 PM, the temperature increased by 10 degrees. Draw a number line to represent the situation and determine the temperature at 1 PM.
Answers
Answer:
2 degrees
Step-by-step explanation:
1) The temperature at 12:00 PM was -8 degrees celsius
2) The temperature at 1:00 PM was 10 degrees higher than at 12:00 PM
3) -8 + 10 = 2
4) The temperature at 1:00 PM was 2 degrees celsius
5) Draw a number line with the labels 12:00 PM and 1:00 PM on either end
6) Label above 12:00 PM -8 degrees celsius, and above 1:00 PM 2 degrees celsius
7) Draw an arrow pointing from 12:00 PM towards 1:00 PM to show that the temperature changes between 12:00 PM and 1:00 PM
I hope this helps :D
Answer:the answer is -4f
Step-by-step explanation:
2+2 equals?
I am very stuck on this question
Answers
Answer:
2+2=4
Step-by-step explanation:
You start driving north for 4 miles, turn right, and drive east for another 4 miles. At the end of driving, what is your straight line distance from your starting point? Round to the nearest tenth of a mile.
Answers
The straight line distance between the start and finish point is required.
The straight line distance is 5.7 miles.
Pythagoras theorema = Distance traveled north = 4 miles
b = Distance traveled east = 4 miles
c = Straight line distance
The angle between the two paths is ninety degrees so, the Pythagoras theorem can be applied here.
Applying the Pythagoras theorem
[tex]c=\sqrt{a^2+b^2}\\\Rightarrow c=\sqrt{4^2+4^2}\\\Rightarrow c=4\sqrt{2}\\\Rightarrow c=5.7\ \text{miles}[/tex]
Learn more about Pythagoras theorem:
https://brainly.com/question/343682
at the library book sale. hardcover books costs for $4 and paperbacks books for $2 each. A person spends
$26 for 8 books. How many hardcover books did she purchased?
Answers
f(x) = x2. What is g(x)?
f(x) = x2
-5
5
g(x)/5
O A. g(x) = -x - 3
O B. g(x) = x2 - 3
O c. g(x) = -x2
D. g(x) = -382
Answers
If function f(x)= x² then g(x) is -x² - 3 , option A is correct.
What is a function?A relation is a function if it has only One y-value for each x-value.
The reflection in the x-axis changes the sign of the y-coordinate. So, the reflection of f(x) = x² in the x-axis is g(x) = -x².
Secondly, the downward shift of 3 units means subtracting 3 from the y-coordinate.
So, the transformation applied to f(x) to get g(x) is reflection in the x-axis followed by a downward shift of 3 units.
g(x) = -x² - 3 is the result of applying a reflection in the x-axis followed by a downward shift of 3 units to the function f(x) = x².
Hence, if function f(x)= x² then g(x) is -x² - 3 , option A is correct.
To learn more on Functions click:
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The first three terms of a sequence are given. Round to the nearest thousandth (if necessary).
16, 80,400,...
16,80,400,...
\text{Find the 6th term.}
Find the 6th term.
Answers
Given:
The sequence is:
[tex]16,80,400,...[/tex]
To find:
The 6th term of the given sequence.
Solution:
We have,
[tex]16,80,400,...[/tex]
Here, the first term is:
[tex]a=16[/tex]
The ratio between consecutive terms are:
[tex]\dfrac{80}{16}=5[/tex]
[tex]\dfrac{400}{80}=5[/tex]
The given sequence has a common ratio 5. So, the given sequence is a geometric sequence.
The nth term of a geometric sequence is:
[tex]a_n=a(r)^{n-1}[/tex]
Where, a is the first term and r is the common ratio.
Substitute [tex]a=16,r=5,n=6[/tex] to get the 6th term.
[tex]a_6=16(5)^{6-1}[/tex]
[tex]a_6=16(5)^{5}[/tex]
[tex]a_6=16(3125)[/tex]
[tex]a_6=50000[/tex]
Therefore, the 6th term of the given sequence is 50000.
Write 56/1000 as a decimal.
Answers
Answer:
0.056
Step-by-step explanation:
Answer:
56/1000 = .056
Step-by-step explanation:
56/100 = .56
56/1000 = .056
56/10000 = .0056
Someone help pleasee need it asappp anyone??
Answers
Answer:
c i think
Step-by-step explanation:
im sorry if its wrong
plz help and show work plz
Answers
Answer:
x=5,1,4
Step-by-step explanation:
a
11. Which expression is equivalent to
8x - 2y + x + x?
a. 4x
b. 8x
c. 6x - 2y
d. 10x - 2y
Answers
Answer:
[tex]10 x - 2y[/tex]
Step-by-step explanation:
[tex]8x−2y+x+x \\ 9x−2y+x \\ 10x−2y[/tex]
Hope it is helpful...1) lucy is playing a game where she has to roll a fair number cube with faces labeled from 1 to 6 . what is the probability that she will roll either a 3 or a 4 on her next roll?
a) 4/6
b) 2/6
c) 3/6
d) 1/6
Answers
c
Step-by-step explanation:
this is correct
Answer:
B. That's the right answer I guessplease help me i cant get it right
Answers
Answer:
-60%
22 - 56
__________ x 100 ~ -60.7
~
56
Round 60.7
-60%
Hope this helps
-Tobie the dog <3
Answer:
61%
Step-by-step explanation:
1) We are changing the percent from 56 down to 22
2) This means that there will be a negative change in percent
3) This is because the new value (22) is smaller than the old value (56)
4) We must find the change from 56 to 22 in a percent
1) Find the difference between 56 and 22 as a number.
The difference between 56 and 22 is 34
2) Divide the result from Step 1 by the starting number 56.
34 ÷ 56 = 0.60714285714
3) Multiply the result from Step 2 by 100 to get it in terms of percent.
0.60714285714 x 100 = 60.71
4) Round the result from step 3 to the nearest percent.
60.71 ≈ 61%
Make sure you round to the nearest whole percent. In this case it would be 61%
PLSS HELP !!!! A number plus 1/5 of the number can be expressed as?
Answers
Answer:
n + 1/5n
Step-by-step explanation:
n = number
1/5n = 1/5 of a number
n + 1/5n
Which expression represents the following calculation? Add 3.2 to the quotient of 8.4 and 6.
Answers
Hope this helps :)
Find 15.75 ÷ 0.25 using a Giant One.
Answers
Answer:
its 63
Step-by-step explanation:
Answer:
[tex] \frac{15.75}{0.25} = \frac{1575}{25} \\ = 63[/tex]
...............................
find the
percent of change.
35 pounds to 42 pounds
Answers
Answer:
I think it is 20%.
Step-by-step explanation:
35 * 0.2 = 7
35 + 7 = 42
Does anyone know the answer?
Answers
Answer:
D is the right graph
the nth term of a sequence is 6 - n work out the first three terms and the 20th term of the sequence.
please help
Answers
Step-by-step explanation:
a_n=6-n
➜a_1=6-1
➜5➜,a_2=6-2
➜4➜a_3=6-3
➜3➜a_20=6-20
➜-14A person invested $7,300 in an account growing at a rate allowing the money to
double every 14 years. How much money would be in the account after 15 years, to
the nearest dollar?
Answers
Answer:
Step-by-step explanation:
If you deposit $7300 into an account paying 100% annual interest compounded yearly , how much money will be in the account after 15 years?
Result:
The amount is $239206400.
Explanation:
A = total amount
P = principal or amount of money deposited,
r = annual interest rate
n = number of times compounded per year
t = time in years
Answer:
15341
Step-by-step explanation:
\text{Doubling Formula:}
Doubling Formula:
y=a(2)^{\frac{t}{d}}
y=a(2)
d
t
a=7300\hspace{40px}d=14\hspace{40px}t=15
a=7300d=14t=15
d is the doubling time
\text{Plug in:}
Plug in:
y=7300(2)^{\frac{15}{14}}
y=7300(2)
14
15
y=15341.0469243
y=15341.0469243
Plz help fast will mark brainliest!!!
Answers
Find the volume. Use pi as part of the equation. Round to the nearest 10th
Answers
Answer:
301.4 ft.
Step-by-step explanation:
The radius of this circle is 4; the height of this circle is 6.
Using the formula, πr²h, we can plug-in the unknown values.
In the formula, 'r' means radius, 'h' means height, 'π' means pi. 3.14 is often a substitute for pi.
πr²h - π4² · 6 = 301.44.
301.44 rounded to the nearest tenth is 301.4.
Therefore, the volume of this cylinder is 301.4 ft.
If 8(x + 2) - 3( x - 4) = 6( x - 7) + 8, then x is what?
Answers
Answer:
62
Step-by-step explanation:
jsnbbxmwmsknxbshxbs
19, 12, 3, 6, 18, 20, 4, 4, 8, 12, 16, 20, 10, 1, 7, 8 1. Find the range of the data
Answers
Answer:
The highest observation =20
The lowest observation = 1
Range of the data = 20-1
= 19(ans)
Answer:
The range is 19
Step-by-step explanation:
To calculate the range of a set of data, you order the numbers from highest to lowest (ex; 20,20,19,18,16,12,12,10,8,8,7,6,4,4,3,1,1) then you subtract the highest number from the lowest number (ex; 20 - 1)
Write the slope intercept form of the equation of the line passing through (-4,6) and perpendicular to y=-2x-5.
Answers
Answer:
[tex]y=\frac{1}{2} x+8[/tex]
Step-by-step explanation:
Hi there!
Slope-intercept form: [tex]y=mx+b[/tex] where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)
1) Determine the slope (m)
Perpendicular lines will always have slopes that are negative reciprocals of each other. For example, two perpendicular lines might have slopes of 3 and -1/3.
After observing the equation y=-2x-5, we can conclude that the slope is -2. Therefore, a line perpendicular to this line would have a slope of 1/2. Plug this into [tex]y=mx+b[/tex]:
[tex]y=\frac{1}{2} x+b[/tex]
2) Determine the y-intercept (b)
[tex]y=\frac{1}{2} x+b[/tex]
Plug in the given point (-4,6)
[tex]6=\frac{1}{2}(-4)+b\\6=-2+b[/tex]
Add 2 to both sides
[tex]6+2=-2+b+2\\8=b[/tex]
Therefore, the y-intercept is 8. Plug this back into [tex]y=\frac{1}{2} x+b[/tex]:
[tex]y=\frac{1}{2} x+8[/tex]
I hope this helps!
376 ×74 explain the solving steps
Answers
Answer:
376*74=
Step-by-step explanation:
[tex]376 \times 74 = 27824 \\[/tex]
Can someone please help
Answers
Answer:
201.06
Step-by-step explanation:
3.14 * 8^2= 201.06
(pi * radius ^ squared)
Two numbers total 70 and have a difference of 12. Find the two numbers.
Answers
Answer:
58 and 12
Step-by-step explanation:
CHECK:
58 + 12 = 70
70 - 58 = 12
NOW GO LISTEN TO ALEC BENJAMINS NEW SONG, THE WAY YOU FELT
Answer:
x is 41 and y is 29
Step-by-step explanation:
x plus y is 70 and x minus y is 12
subtract 2 from 1
2y=58
y is 29 and x is
29 plus x is 70 so.....x is41
m*n= [tex]\sqrt{x} mn-n2, then 5 *3\\[/tex]
Answers
M = 5
N = 3
The x is still present because there is no known equivalent to x.
The 15 is the mm
The minus 6 comes from n2 ( 3 x 2 )
Someone please help me with the question above. It uses the words ‘income tax’ and I have a hard time understanding the difference between income tax and tax payable.
Answers
Step-by-step explanation:
incone tax means the money u get as income from tax and tax payable is the tax needed to be to payed
3/5 X 7/2 as a mixed number
Answers
Answer:
[tex]2\frac{1}{10}[/tex]
Step-by-step explanation:
Answer:
2 1/10
Step-by-step explanation: