Answer:
[tex]7.14\times10^{12}[/tex]
Step-by-step explanation:
Given the following question:
[tex]3.4\times10^4\times2.1\times10^8[/tex]
In order to find the answer to this question we convert both scientific notations into standard form, multiply, and then convert back into scientific notation.
[tex]3.4\times10^4\times2.1\times10^8[/tex]
[tex]3.4\times10^4[/tex]
[tex]3.4\times10^4=3.4.0.0.0.=34000[/tex]
[tex]2.1\times10^8=2.1.0.0.0.0.0.0.0.=210000000[/tex]
[tex]34000\times210000000[/tex]
[tex]34000\times210000000=7140000000000[/tex]
[tex]7140000000000=7.14\times10^{12}[/tex]
[tex]7.14\times10^{12}[/tex]
Hope this helps.
Suppose that y varies directly with x, and y=6 when x= 15.
(a) Write a direct variation equation that relates x and y
Equation: ?
1 (b) Find y when x = 20
y = ?
you are being watched type the secret code for your ticket
( each line below will pass through one point, graph each line to find your code word )
letter 1: y=1/2x-3
letter 2: y=-4x-2
letter 3: y=-1/3x+4
letter 4:y=1/4x+2
letter 5:y=-2x-1
Answer:
The answer is LSAGE
Step-by-step explanation:
Hope this helps lol
Answer:
SHINE
Step-by-step explanation:
remember : the slope (the factor of x in the equations) is the ratio "y coordinate change / x coordinate change".
and the constant at the end of the equations are the y-intercept (the y value for x = 0).
Choose the exponential form of the logarithmic equation log4(9x+7)=5.
Answer:
Use the definition of a logarithm,
log b(x)= y ⟹ b^y = x, to convert from the logarithmic form to the exponential form. 10^5 = 4
Step-by-step explanation:
The exponential form of the given logarithmic equation is [tex](9x+7)=4^5[/tex].
Important information:
The logarithmic equation is [tex]\log_4(9x+7)=5[/tex].Logarithmic equation:The given equation can be written as:
[tex]4^{\log_4(9x+7)}=4^5[/tex]
[tex](9x+7)=4^5[/tex] [tex][\because a^{\log_ab}=b][/tex]
Therefore, the exponential form of the given logarithmic equation is [tex](9x+7)=4^5[/tex].
Find out more about 'Logarithmic equation' here:
https://brainly.com/question/9218283
When a number is decreased by 40% of itself, the result is 90. What is the number?
__________________
DefinitionsPercentage - In mathematics, a percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%"
Solvewe can substitute 40% for 0.4x and make an equation
[tex]x-0.4=90[/tex]
simplify
[tex]0.6x=90[/tex]
divide both sides by 0.6
[tex]x=150[/tex]
10
Find the area of the semicircle.
Either enter an exact answer terms of ar or use 3.14 for at and enter your answer as a decimal.
units2
Answer: 39.25
========================================
Work Shown:
d = diameter = 10
r = radius = d/2 = 10/2 = 5
A = area of a full circle
A = pi*r^2 = 3.14*5^2 = 78.5
Cut this in half to get the area of a semicircle (aka half circle)
(78.5)/2 = 39.25
This result is approximate.
What is the measure of angle PBQ
Answer:
m∠PBQ=51
Step-by-step explanation:
By vertical angles theorem, ∠PBQ ≅ ∠LBM, so m∠PBQ=m∠LBM.
And since ∠LBM & ∠LBQ are supplementary, we'll write,
m∠LBM+LBQ=180°
3x+(4x+61)=180°
Let's solve for x:
7x=119
7x/7=119/7
x=17
So...
m∠LBM=3(17)
m∠LBM=51
This means that m∠PBQ=51
Hope this helps! :)
Find the area of quadrilateral ABCD.
A. 20.2 units²
B. 20.4 units²
C. 37.66 units²
D. 46.66 units²
list the next four multiples of the unit fraction 1/2
Answer:
1, 3/2, 2, 5/2
Step-by-step explanation:
1/2 x 2 = 1
1/2 x 3 = 3/2
1/2 x 4 = 2
1/2 x 5 = 5/2
Answer: 2/4, 4/8, 8/16, 16/36
Step-by-step explanation: hope i help and brainlies pls
Find the value of x and y in parallelogram ABCD.
A) x = 13, y = 7
B) x = 15, y = 6
C) x = 1, y = 1
D) x = 6, y = 8
E) None of the answers are correct
Step-by-step explanation:
х-7=6 , х=13
2у-6=8 у= 7
А)
Solve for x in the triangle.
Answer:
A. 1.7
Step-by-step explanation:
x = 1.74303
If rounded, 1.7
Answer: 100% correct
1. A. 1.7
2. D. 64.4
3. A= 140, E= 24, and F= 16
4. 106 mi
Step-by-step explanation:
Determine which point is the solution to the given system.
y= -7/2 x + 32
y= 4/5 x -11
A. (10,-3)
B. (8,4)
C. (15, 1)
D. (12,-10)
Answer:
WHAT UP
Step-by-step explanation:
DO THIS AND THAT LOL
Brainliest if correct
Answer:
x = 19.Step-by-step explanation:
We have to simplify this equation.
Like this:
2 * x + 8 = 46.The closest number to x is 19:
2 * 19 + 8 = 46Solve:
2 * 19 + 8 = 46= 38 + 8 = 46= 46.x = 19.
Write the standard form of the line that contains a slope of 12 and y-intercept of 3. Include your work in your final answer.
Answer:
y = 12x+3
Step-by-step explanation:
y = mx+c
m is the gradient/slope
c is the y intercept
so m is 12 and c is 3
F(x)=2x+6, g(x)=4x^2+1; find (g • f)(1)
Answer:
257
Step-by-step explanation:
[tex]g\cdot{f}=4(2x+6)^2+1\\(g\cdot{f})(1)=4(2*1+6)^2+1=4\times64+1=257[/tex]
can I have help pls
pls answer the question (I'll give brainliest)
Answer:
10.6 oz
Step-by-step explanation:
To find the answer, we need to divide 2.65/0.25
This will give us how many ounces she bought
So our final answer is…
10.6 oz!
If this was helpful, please award brainliest I would REALLY appreciate it!
4. Find the length of the hypotenuse of a triangle with the coordinates (1, —2), (1, 7), and (13, —2)
help pls brainliest gib
Answer:
answer attached
Step-by-step explanation:
answer attached
hope this helps!
Find the dimensions of a rectangle
having a perimeter of 38 meters
and an area of 84 square meters.
What is the length of the shorter side?
What is 3/4 divided by 7/8?
Answer:
0.85714285714
Answer:
6/7
Step-by-step explanation:
Reduce the expression, if possible, by cancelling the common factors.
Hope this helps! Have a great day!!
2: A train leaves Cardiff at 10:45am. It takes 39 minutes to reach Bristol. What time did the train reach Bristol?
Answer:
11:24am
Step-by-step explanation:
10:45 to the nearest hour is 11am
It takes 15mins to reach the hour. (39-15=24)
Add the remaining 24minutes to the hour and you have your answer.
11:24am
what is 4,357.25 rounded to the second decimal
what is 4,357.25 rounded to the second decimal
A:4,400
What is the volume of this sphere?
Use a ~ 3.14 and round your answer to the nearest hundredth.
4 m
Answer:
Step-by-step explanation:
volume of the sphere=4/3 π (4)³=256 /3 π=256/3 ×3.14≈267.95 m³
If each of the numbers in the following data set were multiplied by 18, what
would be the new median of the data set?
14, 20, 18, 58, 71, 36, 28
what would be the new median of the data set ?
The answer is 28 or 504. My explanation....
ALRIGHT! So, it took me a little while to do it all.... since I wasn't really sure if it was already multiplied by 18 or not.
So the normal numbers in order from least to greatest,(because that's easier)
14, 18, 20, 28, 36, 58, 71.
The new numbers I multiplied by 18 are...
252, 324, 360, 504, 648, 1044, 1268.
When I put it like that you can clearly see the new median. 28 and 504!
Need help!!!
Select the correct answer.
Which table represents a quadratic relationship?
The table which represents a quadratic relationship is in option [tex]D[/tex].
What is quadratic relationship ?A quadratic relationship is a mathematical relation between two variables that follows the form of a quadratic equation.
Quadratic sequence [tex]=an^2 +bn+c[/tex]
So, According to the definition mentioned above if table follows the form of a quadratic equation then it is in quadratic relationship.
So,
To find out quadratic relationship,
We will find first difference in every table and then second difference (Second difference is the difference between the first difference).
We have,
Table A;
[tex]\left \begin{array}{ccccc}x& \ &f(x)&First\ Difference & Second\ Difference \\-2& &4&2-4=-2\\-1& &2&1-2=-1&-1+2=1\\0& \ &1&0.5-1=-0.5&-0.5+1=0.5\\1& &0.5&0.25-0.5=-0.25&-0.25+0.5=0.25\\2& &0.25&0.125-0.25=-0.125\\3& &0.125\end{array}\right[/tex]
So, In the above table we can see that second difference is not equal that means it is not in quadratic relationship.
Now,
Let Table D;
[tex]\left \begin{array}{ccccc}x& \ &f(x)&First\ Difference & Second\ Difference \\-2& &-23.4&\\-1& &-23.2&-23.2+23.4=-0.2&0.2-0.2=0\\0& \ &-23&-23+23.2=-0.2&0.2-0.2=0\\1& &-22.8&-22.8+23=-0.2&0.2-0.2=0\\2& &-22.6&-22.6+22.8=-0.2\\3& &-22.4&-22.4+22.6=-0.2\end{array}\right[/tex]
So, here in this table, we can see that second difference is equal that means it is in quadratic relationship.
Hence, we can say that the table which represents a quadratic relationship is in option [tex]D[/tex].
To know more about quadratic relationship click here
https://brainly.com/question/17109031
#SPJ3
Alejandra has been practicing her free-throw shots as she gets ready for basketball season. At her last practice, she made 70% of her shots from the free-throw line. If
she shot the ball 130 times:
a. How many times did she make a free-throw?
b. How many times did she miss? What percentage of her shots did she miss?
Answer:
Behold... your answers are...
A. 91
B. 39, 30%
tell whether the sequence is arithmetic if it is what is the common difference?
19, 12, 5, -2
no
yes; 1/7
yes;7
yes;-7
Answer:
(d) yes; -7
Step-by-step explanation:
The differences between terms are ...
12 -19 = -7
5 -12 = -7
-2 -5 = -7
These are all the same, so this difference is "common". A sequence in which terms have a common difference is an arithmetic sequence.
This sequence is arithmetic, with a common difference of -7.
Pls help rn i need help quickly
Answer:
800 mm^2
Step-by-step explanation:
(25+7)*(23+8) - 8*10 - 7*5 - 7*11
= 800 mm^2
ames paid off the loan on his motorboat in the year 2006. He originally borrowed $6500 to buy the boat, but with simple annual interest, he discovered that he paid a total of $8775 over the life of the loan. If James’s annual interest rate was 7%, in what year did his loan begin?
Answer:
C/2001
Step-by-step explanation:
I did it and got it right
Hope this helps and have a good day :)
Find the area of the regular 18-gon with radius 11 mm
Answer:
36
Step-by-step explanation:
I had 6 bananas and 4 apples. A hungry baboon ate two of the fruits before being chased by a dog.find probability that the baboon ate
1) two bananas
2) different fruit
Answer:
two bananas because he's a monkey
Step-by-step explanation: