A jar contains n nickels and d dimes. There is a total of 206 coins in the jar. The value of the coins is $13.95. How many nickels and how many dimes are in the jar?
Answer:
73 dimes and 133 nickels
Step-by-step explanation:
$13.95 = 1395 cents
5n + 10d = 1395 (since each nickel is 5 cents and each dime is 10 cents)
5n = 1395 - 10d (subtract 10d from both sides to solve for n)
n = 279 - 2d
n + d = 206
279 - 2d + d = 206 (substitute n with the previous expression)
279 - d = 206 (add variable d and -2d)
-d = -73 (solve for d and divide both sides by negative 1)
d = 73
n + 73 = 206 (solve for n and subtract both sides by 73)
n = 133
Is my answer correct?
Answer:
I don’
think so
Step-by-step explanation:
Tickets to the school play cost $9 for adults and $5 for students. The Wilson family bought 3 adult tickets and 4 student tickets. Which expression matches the situation?
A. 9(3) + 5(4)
B. 3(5) + 9(4)
C. (5+9) + (3+4)
D. 47
A
Because of 3 adults bought 3 tickets, 9 x 3. 9(3)
4 students bought 4 tickets, 4 x 5, 4(3)
please do, thank you
1) write a real world problem for the following inequality X < 17
2) draw a number line and graph the inequality
3) make a cartoon strip, model or short video to represent your problem
Answer:
{poiuyt
Step-by-step explanation:
Veronica says that the expression
7(5x + 2) is equivalent to the expression
12x + 9. Is Veronica correct?
what is the product of (1.9*10^-3)(2*10^4)
Answer:
to solve use the distributive property and multiply
Step-by-step explanation:
I'm sorry I do not have the product
Find the solution set to this inequality: 2x-3> 2x-5/2
Answer:
-4
Step-by-step explanation:
2x - 3 >2x-5/2
CLT
2x-2x < -5/2+3
The less than became greater than because a negative sign crossed it and because positive
Hence,
X =-4
Incase you need inequality line or graph be sure to tag or ask me
The solution set to this inequality solution set = ∅.
How to solve inequality equations?
An inequality is a mathematical expression using the symbols >, <, ≥, and ≤. Many straightforward inequalities can be resolved by adding, taking away, multiplying, or dividing both sides until the variable is all that remains. On multiplying or dividing both sides with negative number changes the direction of inequality. If we flip the number, we just have to flip the inequality symbol also.
Inequality:
2x-3> 2x-5/2
2x - 2x > -5/2 + 3
2x - 2x > -2.5 + 3
0 > -2.5 + 3
0 > 0.5
This shows that solution set will not contain any elements, i.e. x ∈ ∅
Therefore, Solution set = ∅
To learn more about the inequalities from the link.
https://brainly.com/question/11613554
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Part D
If the vertical length is 10, what is the horizontal length?
PLZZZZ HELP ME <3
Answer:
6 you would calculate it just like vertical length
Please help meeee!!!!!!
Answer:
23
Step-by-step explanation:
basta isagot mo lamg ah
Mya and her three friends bought 7 1/5 pounds of cherry sours at 1.30 per pound. If the cost of cherry sours id divided evenly among the 4 friends, how much will each person pay
Answer: Each person will pay $2.34.
Step-by-step explanation:
Given: Cost of one pound of cherries = $1.30
Cost of [tex]7\dfrac15[/tex] pounds of cherries = [tex]7\dfrac15\times 1.30[/tex]
[tex]=\dfrac{36}{5}\times1.30[/tex]
= $9.36
Each person will pay = (Cost of [tex]7\dfrac15[/tex] pounds ) ÷ 4
[tex]=9.36\div4[/tex]
=$2.34
Hence, Each person will pay $2.34.
1. Find the slope and the y-intercept
of the graph of the linear equation.
y = -7x + 2
1
A) slope: -1/7; y-intercept: 2
B) slope: 1/2; y-intercept: -7
C) slope: -7; y-intercept: 2
D) slope: 2; y-intercept: -7
Answer:
the answer is C..................
c) p2 + 6p + 8
solve this factorisation
Answer:
Step-by-step explanation:
Add similar elements; 2p+6p=8p
=8p+8
Answer:
(p+2)(p+4)
Step-by-step explanation:
use the foil method to check your answer
The function g(x) is a transformation of the parent function f(x). Decide how
f(x) was transformed to make g(x).
A. Horizontal or vertical reflection
B. Horizontal or vertical stretch
C. Horizontal or vertical shift
D. Reflection across the line y
(Graphs attached)
Answer:- a
Step-by-step explanation:
Sloths sleep an average of 16.5 hours a day. What percent of a 24 hour day do they sleep?
Answer:
i think its 66%
Step-by-step explanation:
How many squares does it take to make a square?
Answer:
aaalot I'm guessing I'm stu.pid
Find the x & y value.
Answer:
Step-by-step explanation:
4x-3 = 49
x = 13°
y = 31°
Lauren went shopping for a new pair of pants because of a sale. The price on the tag
was $20, but Lauren paid $13 before tax. Find the percent discount.
Answer:
discount rate= 0.35
Step-by-step explanation:
Giving the following information:
The price on the tag was $20, but Lauren paid $13 before tax.
To calculate the discount rate, we need to use the following formula:
Total discount= total price * ( 1 - discount rate)
13= 20 * (1 - discount rate)
13= 20 - 20discount rate
20discount rate = 7
discount rate= 7 / 20
discount rate= 0.35
write 4 ratios that to EQUIVALENT RATIOS of 6:1.
Answer:
12:2
18:3
24:4
30:5
36:6
Step-by-step explanation:
Help please!
Evaluate the following expressions using the Order of Operations.
QUESTION 1
1️⃣ Simplify 2+3 to 5.
3x-4+4^2-5
2️⃣ Simplify 4^2 to 16.
3x-4+16-5
3️⃣ Simplify to 12
-12+16-5
4️⃣ Simplify -12+16 to 44.
4-5
5️⃣ Solve 4-5
-1
Done ✔
QUESTION 2
1️⃣ Simplify 2^2 to 4.
7*4-3*8+4-6
2️⃣ Simplify 7*4 to 28.
28-3*8+4-6
3️⃣ Simplify 3*8 to 24.
28-24+4-6
4️⃣ Simplify 28-24 to 4.
4+4-6
5️⃣ Simplify 4+4 to 8
8-6
6️⃣ Simplify
2
Done ✔
QUESTION 3
1️⃣ Simplify -4+3 to -1.
7-(-3)-1
2️⃣ Remove parentheses.
7+3-1
3️⃣ Simplify 7+3 to 10
10-1
4️⃣
9
Done ✔
QUESTION 4
1️⃣ Simplify 3*2 to 6
-6-4*6+5^2
2️⃣ Simplify 5^2 to 25
-6-4*6+25
3️⃣ Simplify 4*6 to 24
-6-24+25
4️⃣ Simplify -6-24 to -30
-30+25
5️⃣ Simplify
-5
ALL DONE ✔✔
Find the value of x in the diagram.
Pls help
Answer:
72
Step-by-step explanation:
Answer:
72 degrees
Step-by-step explanation:
x = 360 - (108 + 121 + 59)
x = 360 - (108 + 180)
x = 360 - 288
x = 72 degrees
Hope that helps!
Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 11)(0,11) and (3, 3773)(3,3773).
Answer:
y = 11(7)^x
Step-by-step explanation:
The exponent equation that goes through points (0, 11) and (3, 3773) will be y = 11 · (7)ˣ.
What is an exponent?Let a be the initial value and x be the power of the exponent function and b be the increasing factor.
The exponent is given as
y = a(b)ˣ
The equation passes through (0, 11) and (3, 3773). Then the equation will be given as,
ab⁰ = 11
a = 11
Then the other equation is given as,
ab³ = 3773
11 b³ = 3773
b³ = 343
b³ = 7³
b = 7
Then the exponent equation that goes through points (0, 11) and (3, 3773) will be y = 11 · (7)ˣ.
More about the exponent link is given below.
https://brainly.com/question/5497425
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If $3,840 is
invested in an
account at 5%
annual simple
interest, how long
will it take for the
interest to grow
to $960?
Answer:
5 years
Step-by-step explanation:
5% of $3840 is $192 than divide $960 by $192 and you get 5
5 busses carry 325 passangers. How many passengers can be carried by 8 such busses
Answer:
2600 passengers
Step-by-step explanation:
8 such buses can carry 8 times the 325 passengers. So, If a bus carries 325 passenger, 8 buses can carry 2600 passengers
Answer:
40
Step-by-step explanation:
A city has a population of 220,000 people. Suppose that each year the population grows by 3.75%. What will the population be after 9 years? How many people
Answer:
294250 people will be there after 9 years if the population is increased 3.75% annually.
Step-by-step explanation:
First, 3.75% of 220000
then multiply the answer with 9.
again add the answer with 220000.
hence your answer came.
try it. Hope it helps
before Christmas a story steals fake Christmas trees for $289 after Christmas they sell the same trees for $150 what is the approximate percent of decrease ?round your answer to the nearest percent
Find the missing measure. (show your work)
PLEASE SHOW YOUR WORK. HURRY I WILL MARK YOU BRAINLIEST
Answer:
b
Step-by-step explanation:its is b because in three days they earn 48 dollars in 6 days the earn 96 dollars in 7 days they earn 112 dollars so it is b
BEST ANSWER GETS BRAINLIEST, THANKS ON ANSWER, AND THANKS ON YOUR PROFILE!
Step-by-step explanation:
Figure ABCD is similar to figure A'B'C'D'. is the correct awnser.
Figure ABCD is similar to figure A'B'C'D'. is the correct awnser.this is became ABCD is reflected over the y-axis so it is simular too A'B'C'D.
A is incorrect because the size of the shape doesn't change when getting reflected.
B and D is incorrect because just by looking at the shape D is not equal to A' or B'
Hope this helps!!
What is an equation of the line that passes through the points (-6,-2) and (-3,-3)
Answer:
y = -1/3x - 4
Step-by-step explanation:
m = -1/3
y = -4
Hope this helps! Have a nice day! Plz mark as brainliest!!!
-XxDeathshotxX
Answer：
y=-9x+5
Step-by-step explanation:
Please give me the correct answer.Only answer if you're very good at math.Please don't put a link to a website.
Answer:
3, 50, 2
Step-by-step explanation:
By multiplying all terms by 5, we are trying to remove the fraction on the left hand side. On the right hand side of the equation, expand the bracket by multiplying 5 to each term in the bracket.
3(n +25)= 5(10) +5([tex] \frac{2}{5} n[/tex])
3(n +25)= 50 +2n
To find the value of n, expand the bracket on the left hand side:
3(n) +3(25)= 50 +2n
3n +75= 50 +2n
Bring all n terms to one side, constants to the other:
3n -2n= 50 -75
n= -25