Multiply 810 times 5 over 9.
Answers
810 • 5/ 9
810 • 5 = 4050
4050/9 = 450
The answer is 450
Answer:
It should be 450!
Step-by-step explanation:
Please give me brainiest!
Related Questions
Tina pet sits to earn extra money. She charges a flat service fee of $20, plus $20 per day. If one of her customers spent less than $80, which of the following inequalities could be used to solve for x, the number of days the customer paid for pet sitting?$20x + $20 < $80$20x < $80$20x - $20 < $80$20x < $100
Plz really ned help on this really easy!! simplify: 4(5x + 12) Thank you all in advance!!!
What is the difference if the negative is in parenthesis or if it is not in parenthesis
(no links plz) need help!
Answers
12 years ago, Kara's age was x-12 and Joseph's age was x+6. And Joseph's age was 4 times as hers. So :
Kara is 18 years old and Joseph is 18+18= 36 years old
Answers
Answer: The correct answer is: " 6 ∛3 " .
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Step-by-step explanation:
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Given: 2 * ;
Simplify this given expression:
Let us list the factors of: 81:
1, 2, 3, 9, 27 , 81 .
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Are any of these factors "perfect cubes"?
Let's see: ∛27 = 3 ; (use calculator); since: " 3³ = 3 * 3 * 3 " .
81 = 27 * 3 ;
So: " ∛(81) " ;
= ∛(27) * ∛(3) ;
= " 3 * ∛3 " ;
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→ The original expression:
" 2 * ∛81 " ;
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= 2 * 3 * ∛3 ;
= (2 * 3) * ∛3 ;
= 6 ∛3 .
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The answer is: " 6 ∛3 " .
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Hope this answer is helpful to you!
Wishing you the best!
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x-y=-4
A.
(−3, −2)
B.
(−1, 3)
C.
(1, 5)
D.
(−4, 0)
Answers
add the 2 equations together
2x+x+y-y=-8-4
3x=-12
divide by 3
x=-4
subsitute
-4-y=-4
addd 4 to both sdies
-y=0
the solution is (x,y) (-4,0) or D
I have decided to use Elimination by Addition.
Add the two equations together
3x = -12
Divide both sides by 3
x = -4
Substitute -4 for x in the second equation.
-4 - y = -4
Add 4 to both sides
-y = 0
y = 0
Check
2(-4) + 0 = -8
-8 = -8 This checks.
-4 - 0 = -4
-4 = -4 This also checks.
The solution set for this system is as follows:
S = {(-4,0)}
That would be option D.
Answers
Answer:
Quarters: 7
Dimes: 9
Nickels: 14
Step-by-step explanation:
Bank --> 30 coins
Base Equations:
N+D+Q=30
5N+10D+25Q=335
Equation 1: 2Q=N
Equation 2: D=30-(N+Q)
Substitute Equation1 : D=30-(2Q+Q)
D=30-3Q
0.05(2Q)+0.10(30-3Q)+0.25Q=3.35
0.10Q+3-0.3Q+0.25Q=3.35
0.5Q+3=3.35
0.5Q=0.35
Q=7
if Q=7, N= 2*Q
N=14
D=9
Check Step:
7*25=175
14*5=70
9*10=90
175+70+90=335
Correct
Final answer:
To solve the problem, equations based on the relations between the number of nickels, dimes, and quarters are established. By substituting into these equations and solving them, it was determined that the bank contains 10 quarters, 20 nickels, and 0 dimes.
Explanation:
The student's question relates to solving a system of equations based on the given conditions regarding nickels, dimes, and quarters in a bank. Let's denote the number of quarters as q, the number of nickels as n, and the number of dimes as d. According to the problem, there are twice as many nickels as quarters, so we can write n = 2q. The total number of coins is 30, which gives us the equation n + d + q = 30. The total value of the coins is $3.35, which translates to 0.05n + 0.10d + 0.25q = 3.35. Using these three equations, we can solve for n, d, and q.
- First equation (number of nickels and quarters): n = 2q
- Second equation (total number of coins): n + d + q = 30
- Third equation (total value of coins): 0.05n + 0.10d + 0.25q = 3.35
Substituting the first equation into the other two, and solving for q and d, we find that there are 10 quarters, 20 nickels, and 0 dimes. Thus, in the bank there are 10 quarters, 20 nickels, and no dimes.
Learn more about System of Equations here:
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82
Answers
Answer:
The graph should have a slop of 10/3 or something like that
Answers
Answer:
20
Step-by-step explanation:
8×25 means that he got 5 wrong so he got 20 right
Answer:
The answer is 20.
Step-by-step explanation:
First step is to turn the 80% into a decimal. So place a decimal twice to the left to make it .80. Then, multiply 20 by .80. Upon that, you get your answer.