The sum of 9 times a number and 8 is 7. Use the variable c for the unknown number
Answers
Answer:
9c + 8 = 7
Step-by-step explanation:
Related Questions
A librarian wants to spend no more than $800 on some new desks and chairs for the library. The librarian decides to spend $320 on desks.
If each chair costs $24, what is the maximum number of chairs the librarian can buy for the library and stay within the budget?
Answers
Answer:
I think 20
Step-by-step explanation:
480/24
The maximum number of chairs that the librarian can buy is 20
What are mathematics operations?
A mathematical operation is a function that converts a set of zero or more input values (also called "b" or "arguments") into a defined output value. The number of operands determines the operation's arity. Most commonly studied operations are binary operations (i.e., operations of arity 2), such as addition and multiplication, and unary operations (i.e., operations of arity 1), such as additive and multiplicative inverses.
• Zero-arity operations, or nullary operations, are constants, and mixed products are arity three operations, or ternary operations.
Since we are given the amount total budget and the total amount for the desks then the only variable missing is the maximum amount of chairs. This can be solved with the following equation in which :
s represents = the number of chairs,
and we simply solve for s.
800 = 320 + 24s ... subtract both sides by 300
500 = 24s ... divide both sides by 24
20.83 = s
Now we see that the maximum number of chairs that the librarian can buy is 20 because 21 would make her go over the budget and you cannot have 0.83 of a chair.
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Find the 62nd term of the arithmetic sequence -27, -21, -15
Answers
The 62nd term of the arithmetic sequence -27, -21, -15 is 339
Arithmetic sequenceThe nth term of an arithmetic sequence is expressed as:
Tn =a+(n-1)d
Given the sequence -27, -21, -15
a is the first term = -27
d is the common difference = -21 + 27 = 6
n = 62
Substitute
T62 = -27 + (62-1)(6)
T62 = -27 + 61(6)
T62 = -27 + 366
T62 = 339
Hence the 62nd term of the arithmetic sequence -27, -21, -15 is 339
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You are going down the river at 2mph but your canoe loses a wheel. at this rate, how many boxes of pancake mix will it take to re-shingle your roof.
Answers
Answer:
The temperature of the sun is -498 K / meters square
Hope that helps!
Answer:
Um... Is this the real question or you just trolling???
Step-by-step explanation:
PLEASE FAST HELP PLS I BEG U
Answers
Answer:A.,C.,D that is the answer
Step-by-step explanation:
BRAINLIST!!!!! Do you know the sample response?!
Answers
Answer:
The graph and equation both match and are a function. there is one specific output fro each input
Step-by-step explanation:
YOO HELPP
I’m bad at math
Answers
Answer:
i love you
Step-by-step explanation:
Answer:
1/2(n-3) or (n-3)/2
Step-by-step explanation:
I need HELP ASAP RIGHT AWAY
Answers
Answer:
line c and e
Step-by-step explanation:
846 x (84) what is it?
Answers
75 is what percent of 150?
If you show work you will be marked brainliest
Answers
50%
You need to convert the fraction (ratio)
Afterwards, you will get your answer!
I don't know how to upload or I would upload a picture of my work and how to do it to help you.
I hope this helps you!
Answer:
50percent
Step-by-step explanation:
75 is half of 150
Question 10 of 10
Solve 3 ax + 4ax = 5ax + 4 for x. Assume at 0.
A. X = 2
a
B. x= 2a
C. x =
За
D. X = 3a
Answers
[tex]x = \frac{2}{a} [/tex]
Step-by-step explanation:
3 ax + 4ax = 5ax + 4, combine like terms
7ax = 5ax + 4, minus 5ax from both sides
2ax = 4, divide 2a on both sides
you'll be left with x = 2/a
can i get some help plz with this
Answers
Answer:
translation then reflection is the answer
Step-by-step explanation:
Do numbers with exponents represent rational or irrational numbers? Explain your answer.
Answers
9514 1404 393
Answer:
either
Step-by-step explanation:
They could represent either:
2^2 = 4 . . . a rational number
2^(1/2) = √2 . . . an irrational number
The fact that a number has an exponent does not make it either rational or irrational.
__
Additional comment
You can also consider irrational numbers with exponents.
(∛2)^2 = 2^(2/3) . . . irrational
(√2)^2 = 2^1 . . . . . . rational
what is the squared root of 64?
Answers
Answer:
8
Step-by-step explanation:
Answer:
the square root is 8
Step-by-step explanation:
9.85 less than the product of 37 and w
Answers
Answer:
you did not give wat you wanted us to do so I would say 9.85- (37*w)
What is the least common facter of 9 and 12?
Answers
Answer:
3
Step-by-step explanation:
Refer to the graph. Find the slope of each line
Answers
Answer:
The top line has a slope of 1/2
The bottom line has a slope of - 1/4
whats the answer to number 5 please and thank you? please write down the steps
please help
Answers
Answer:
67
Step-by-step explanation:
Answer:
35
Step-by-step explanation:
x + 55 = 90 (Right angle triangle)
x = 90 - 55
x = 35
Please mark as brainliest.
Help me solve this problem please
Answers
what number can be added to 55 and have 45 and 9 as thier greatest common factor?
Answers
Answer:
36
Step-by-step explanation:
Write an equation of the line in standard form with integer coefficients. the line through (-2, 2), (1, -4). O A. y+2x=-2 B. y+2x=6 C. 2y+x=2 D. 2y+x=-6
Answers
Answer:
A
Step-by-step explanation:
K=(y1-y2)/(x1-x2)=(2+4)/(-2-1)=-2
y=-2x+b
2=-2*-2+b
b=-2
y=-2x-2
y+2x=-2
The equation of the line in standard form with integer coefficients is → y + 2x = - 2.
What is the general equation of straight line?The general equation of straight line is -
y = mx + c
where 'm' represents the slope of the line and 'c' is the y - intercept.
Given is a line that passes through the points -
(-2, 2), (1, -4)
We can calculate the slope of the line using the two coordinates given -
(-2, 2), (1, -4). The slope will be -
m = (- 4 - 2)/(1 + 2)
m = -6/3
m = - 2
Assume that the equation of line is -
y = -2x + c
The line passes through the point (-2, 2), so we can write -
2 = -2 x -2 + c
2 = 4 + c
c = -2
So, we can write the equation of line as -
y = - 2x - 2
or
y + 2x = - 2
Therefore, the equation of the line in standard form with integer coefficients is → y + 2x = - 2.
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A. it has no rotational symmetry
B. It has rotational symmetry with an angle of rotation of 180°
C. It has point symmetry
D It has recreational symmetry
PLEASE HELP WILL MARK BAINLIST
Answers
Aaron invested $7,500 in an account paying an interest rate of 1.5% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest hundred dollars, would be in the account after 8 years?
Answers
Answer:
\text{Compounded Continuously:}
Compounded Continuously:
A=Pe^{rt}
A=Pe
rt
P=7500\hspace{35px}r=0.015\hspace{35px}t=8
P=7500r=0.015t=8
Given values
A=7500e^{0.015(8)}
A=7500e
0.015(8)
Plug in
A=7500e^{0.12}
A=7500e
0.12
Multiply
A=8456.22638685
A=8456.22638685
Use calculator (with e button)
A\approx 8500
A≈8500
Round to nearest hundred dollars
Step-by-step explanation:
The amount of money to the nearest hundred dollars that would be in the account after 8 years is $60,900.
What is the future value of the account?The formula for calculating future value when there is continuous compounding is : A x e^r x N
Where:
A= amount e = 2.7182818 N = number of years r = interest rate7500 x e^0.015 x 8 = $60,900
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What’s mean by report this answer
Answers
Answer:
Like make it bad.Its offensive
Step-by-step explanation:
7/8 of Bill's coins are. pennies.
What % are pennies?
Answers
Answer:
87.5% are pennies
Step-by-step explanation:
7/8 = 87.5%
Hope this helps!!
Stock A changed by - $2,60 during the day. Stock B changed by 3
times that amount. How much did Stock B change during the day?
Answers
Answer:
$7.80
Step-by-step explanation:
$2.60 * 3 = $7.80
7a-3(2a-4) what’s the answer?
Answers
Answer:
?
Step-by-step explanation:
Answer:
a+12
Step-by-step explanation:
Distribute the -3 to (2a-4) so you get -6a+12
then it is 7a-6a+12, which is a+12.
If you need an actual number then a+12=0 is a=-12, if you just needed to simplify it, then a+12
how do I solve for x?
Answers
Answer:
85
Step-by-step explanation:
The sum of the measures of the interior angles of a triangle is 180 deg.
x + 52 + 43 = 180
x + 95 = 180
x = 85
Answer: 85
The angles in a triangle add up to 180 degrees
180 - 52 - 43 = 85
x = 85 degrees
Prove that:
( sec 4A - 1 ) / ( sec 2A - 1 )
=
tan 4A . cot A
Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help Pls Help
Answers
Answer:
sec 1A = tan 2A
Step-by-step explanation:
BABAOEY
Which inequality represents this situation?
Players must practice at least 45 minutes a day.
t 45
t ≥ 45
Answers
Answer:
t≥45
Step-by-step explanation:
If it says at least, it means fine must be greater than or equal to 45.
the percentage of boys in a school is 60%, and the number of girls are 200, calculate the number of boys and the total number of students?
Answers
Answer:
Boys: 300 or 60%, girls: 200 or 40%, total number of students: 500 or %100
Step-by-step explanation:
So basically:
1. We know that 60% is boys and we're trying to figure out the exact amount. We know the other 40% (girls) is a total of 200.
2. First take the 40% and half it so we get 20% in order to do that we have to do the same to the 200 girls and half the number into 100. Now we know 20% is equal to 100 students. Given that information we would multiply the 20% by 3 to get the 60% of boys. Now we would also multiply the 100 by 3 and now we have 300.
3. We now know that we have 300 boys and 200 girls. Add them together for the total of students and you get 500.
I hope this helps:)
100% - 60% is 200 people
So 40% is 200 people
20% is 100 people and so 100% (full amount) would be 100 x 5 (how do you get from 20 to 100, you multiple by 5 so you do the same to the 100).
Gives you a total of 500