Guys i need help with this and be serious about it because i had some people put answers like i don't know and gibberish words if you know the answer plss answer if you don't answer.
Plsss help me solve these two problems thats all i need
Answers
Answer:
18 dimes, 12 quarters
Step-by-step explanation:
We are to solve the system of linear equations for D and Q, where D is the number of dimes and Q is the number of quarters.
Each dime is worth $0.10 and each quarter $0.25. Thus, D dimes are worth ($0.25/dime)D and Q quarters ($0.25/quarter)Q.
The sum of D and Q comes out to 30 coins, a mixture of dimes and quarters: D + Q = 30, so Q = 30 - D.
Now let's solve this equation: ($0.10/dime)D + ($0.25/quarter)Q = $4.80.
Substitute 30 - D for Q:
($0.10/dime)D + ($0.25/quarter)(30 - D) = $4.80
This is now entirely in D (no Q shows up). Performing the indicated multiplication, we get 0.10D + 0.25(30) - 0.25D = 4.80
Combining like terms: 0.10D - 0.25D = -0.15D, and -7.5 + 4.80 = -2.7
Thus, -0.15D = -2.70, and so D = 2.70/0.15 = 18 (There are 18 dimes.)
Since Q = 30 - D, and D - 18, Q = 30 - 18 = 12 (There are 12 quarters)
Related Questions
17 is what percent of 50?
Proportion:
Solution:
Answers
Answer:
17%
Step-by-step explanation:
Answer:
0.34%
Step-by-step explanation:
17 divided by 50 = 0.34 in decimal and if you convert it to a mixed number it becomes 34/100
PLEASE HELP, WILL MARK BRAINLIEST
Answers
4/729 so 4 then / then 729
Step-by-step explanation:
Your first term is 4 that is your starting point
Your common ratio is 1/3 so we will be multiplying by that
we will do this six times to get to the seventh term
so the second term is
4*1/3= 4/3
4/3 is our second term so we multiply it by 1/3 to get our third term
4/9 then fourth term is 4/9 *1/3
so 4/27
fifth should be 4/81
sixth should be 4/243
seventh should be 4/729
hey, i'm trying to get a phone 8 but i don't have enough money. i'm trying to figure out how long it'll take me to get it. if you can tell me how long it'll take ill give you brainliest :) i need $177, i'm getting an allowance of $5 a week after march 5. i have $16 rn.
Answers
Answer:
you would need to multiply each day by 5 so it would be it would take you 20 days to get 200 do it will take u less than 20 day:)
Answer:
It will take you about 33 weeks off of an allowance of 5$ a week
Step-by-step explanation:
Can someone solve all of this for me (100 FOR BRAINLIEST)
Answers
Answer:
1. 24
2. 52
3. 11
4. 200
5. 48
6. 96
7. 18.75
8. 171
9. 48
10. 84
11. 14
12. 85
13. 2250
14. 75
15. 200
16. 26.75
HELPPPPPPPPPPPPPPPPPPPPPPPP
Answers
Explanation: There are only 180 degrees in every triangle. We know that the box in the corner symbols 90 degrees and we have information that the other degree is 36.
90 + 36 = 126
180 - 126 = 54
x = 54
For what value or values of x = 7 < 3x + 2?
A. x = 5/3
B. x > 5/3
C. x < 5/3
D. x is ≥ 5/3
Answers
Your welcome
pls help asap giving out brainliest and high stars <33 7TH GRADE
1.) On Monday, 437 students went on a trip to the zoo. All 8 buses were filled and 5 students had to travel in cars. How many students were in each bus?
2.) Mike buys four equally priced DVD’s online. Each DVD costs the same amount. With a $5.98 shipping charge included, the total cost came to $79.94. Write and solve an equation to find the cost of each DVD.
3.) A rectangle has a length of 3 ⅞ inches and an area of 6 15/16 square inches. Write an equation that represents the area of the rectangle in terms of its length and width, w.
Answers
Answer:
1 i think
Step-by-step explanation:
432/8 = 54 students on each bus
2) cost= DVD’s - shipping charge / 4
79.94 - 5.98=73.96
73.96/4= $18.49
3) area= width X length
width = area/length
Find the missing measure (x) of the triangle.
Answers
Answer:
x = 34 degrees
Step-by-step explanation:
all angles of a triangle add up to 180 degrees
x = 180-90-56 = 34 degrees
I want a answer nowwwww
Answers
Answer:
I believe that it would be better to use the second scale, or 1ft to 500ft.
Step-by-step explanation:
If you used the first scale(1in to 10ft) then you would have a 75in model, or 6.25ft, this would be to big to display on your desk. If you used the second then your model would be about 1.5in which all though is small it would be better for display.
Answer:
1 inch
Step-by-step explanation:
1 foot = 500 feet
1 inch = 10 feet
^ if you do 12 x 10 it equals 120, which is less than 1 foot = 500.
But, if you want it a big it would be 1 foot = 500.
Mother has purchased 75 yards of green fabric and 125 yards of white fabric to make
green and white curtains.
What is the largest number of curtains she can make if she
wants all the curtains to be exactly the same length, and to have no fabric left over?
How many yards of each kind of fabric would be used for each curtain?
Answers
Answer:
190
Step-by-step explanation:
HELP please I am just filling out the characters, the problem is shown here!
Answers
Answer:
Part 1: A!
Part 2:
3 | 43.5
6 | 87
Answer:
Part A the answer is A
Explantation: x = hours, and if she can plant 29 in 2 hours, divide 29 by 2 to get the slope value
Part B
for 3 hours 43,5 flowers, there isn't 43,5 flowers as an answer put in 43
6 hours it is 87 flowers
A football stadium sells three different brands of bottled water: Crystal Clear, Pure Refresh, and Spring Fresh.
Answers
Answer:
50.7
Step-by-step explanation:
hebebejjsbwiwbwbwjwjwh
ASAP HELP WANTED NOW!
During a game of tug-of-war, your teacher states that your team’s current position is -5 steps. What does this statement mean?
A. Your team is 5 steps forward from the starting point.
B. Your team is 5 steps back from the starting point.
C. The distance between your team and the other team is 5 steps.
D. Your team just took 5 steps forward.
Answers
Select all the expressions which have 3 as the greatest common factor of the terms. Pick two
b + 3 + 6c
27n + 66p
38 – 9j + 6k
12x + 75y + 21
–32 – 24z
Answers
Help i don't understand it
pls ill give brainleist to correct answer
Answers
Answer:
second one i think
Step-by-step explanation:
Answer:
2nd one but give the other broski brainiest
Step-by-step explanation:
Pls help will give brainliest
Answers
The slope is 1 and it is going through the x axis at -1
Answer:
y = x - 1
Step-by-step explanation:
You know the y-intercept has to be -1. Also, to figure out the slope you can just pick out two coordinates that lie on the line, and use the slope forumla.
For example: (2,1) and (3,2)
[tex]m=\frac{2-1}{3-2} = \frac{1}{1} =1[/tex]
SHOW ALL OF WORK. Find missing length, round to the nearest tenth if necessary.
Answers
Answer:
144 or 72^2
Step-by-step explanation:
You have one leg a 5 and the other leg we don't know, well we know the hyponuse is a 13.
So the first step is
A^2 + B^2 = C^2
2 step,
5^2 + B^2 = 13^2
3 step
5 x 5 = 25 and 13 x 13 = 169
25 + B^2 = 169
4 step
169 - 25 = 144
144 divided by 2 is 72, so 72 x 72 is 144.
If you have an answer 72 squared or 144 both will work.
It does not help that you don't give the answers.
Can somebody explain PEMDAS (Order of Operations) to me?
Answers
It's simple.
P - Parentheses
E - Exponents
D - Division
M - Multiplication
A - Addition
S - Subtraction
Whenever we have an expression or problem that involves these operations. We solve them according to the order given above.
Help me please please help me
Answers
Answer:
30
Step-by-step explanation:
6 times 5 = 30. None of them other numbers are a multiple of 6.
Hope this helps!!!
Fill in the blanks below in order to justify whether or not the mapping shown represents a function.
Set A
Set B
7
-3
-1
6
5
-4
9
Answers
Answer:
not a function.
Step-by-step explanation:
the x value/set a has to have 1 line from each but the -3 has 2 lines, therefore not a function
answer for points
(No need to do a explaination on how u got it)
The variable of B stands for the
(area of the base)
(height)
(length)
(width)
In this prism, B equals
(2)
(9)
(12)
(24)
The variable of H stands for
(area of the base)
(height)
(length)
(width)
In this prism, H equals
(2)
(9)
(12)
The voulme of the prism is
(113)
(126)
(216)
(300)
Answers
H=height and 9cm
Volume= 216cm
50 POINTS!! A picture shows the net of the lateral surface of the cone. Which statement about this cone is NOT true?
Answers
-1/2 (−4n+6)+3n=47 solve n=?
Answers
Answer:
N:10
Step-by-step explanation:
Answer:
N = 10
Step-by-step explanation:
isolate the variable by dividing each side by factors that don't contain the variable
PLZ GIVE BRAINLIEST
PLEASE HELP THIS ASSIGNEMNT IS TIMED I will give brainliest!!
Two trains, Train A and Train B, weigh a total of 417 tons. Train A is heavier than Train B. The difference of their weights is 249 tons. What is the weight of EACH train?
Answers
So train b is 84 tons
Train A is 249+84 so 333
(06.04)
4x + 1 over 3y2
What is the value of the expression above when x = 2 and y = 3? You must show all work and calculations to receive full credit.
Answers
Answer:
5x/3y2
Step-by-step explanation:
Answer:
1/3
Step-by-step explanation:
(4x+1)/(3y^2)
(4*2+1)/(3*3^2)
(9)/(3*9)
(9)/(27)
(1)/(3)
Hope that this helps! Have a good day and good luck!
PLEASE HELP ME WITH THIS I NEED THIS SO BAD
Answers
Answer:
0.8 miles
Step-by-step explanation:
4224ft / 5280ft = 0.8
HELP ME WILL MARK BRAINLIEST PLEASE I NEED HELP FOR BOTH QUESTIONS!!!!
I THINK YOU HAVE TO ZOOM IN A BITH PLSSSSS HELP MEE!!!!!!
Answers
Answer:
For the first problem A. and E.
For the second problem D. and E.
Step-by-step explanation:
For the first problem A is equivalent to 3/4 and E is less than 3/4
For the second problem 4 ÷ 0.5 = 8 and 5 × 4 = 20 + 3 = 23
Answer:
the first one's a and e.the second one is DNC
12 gallons of water are used to completely fill 5 fish tanks. If each tank holds the same amount of water, how many gallons will each tank hold?
Answers
Answer:
2.4
Step-by-step explanation:
12 ÷ 5 = 2.4
have a nice day!
Hope this helps you
Destiny just received two separate gifts from her great-great-grandmother.
The first gift is a box of 181818 chocolate candy bars, and the second gift is a pack of 121212 cookies.
Destiny wants to use all of the chocolate candy bars and cookies to make identical snack bags for her cousins.
What is the greatest number of snack bags that Destiny can make?
Answers
Help 7TH GRADE math I give out good rating and BRAINIEST!
Answers
Answer:
12.6
Step-by-step explanation:
If 21 divided by 5 is 4.2, you should multiply 3 by 4.2 you'll then get 12.6. to double check, do 5 divided by 3, which is 1.67, and 21 divided by 12.6 is also 1.67. so side OP is 12.6! :)
Answer:
i don't know sorrryyy
Step-by-step explanation:
im very sorry because im sor busy