Nicole had the exact amount of money to buy 9 pens.
Instead she bought only 5 pens.
She used the rest of the money to buy 7 notebooks at $1.20 each.
How much money did Nicole have at first?
Answer:
18.90$
Step-by-step explanation:
Pen = p
Notes = n
n = 1.20
5p + 7n = 9p
-9p + 5p + 7n = 0
-4p + 7n = 0
-4p + (7*1.2) = 0
-4p + 8.4 = 0
8.4/4 = p
2.1 = p
9p = 9*2.1
9p = 18.90$
what are exponents??????
Answer:
a quantity representing the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression (e.g. 3 in 23 = 2 × 2 × 2).
Answer:
The definition of Loam is soil composed mostly of sand, silt, and a smaller amount of clay. By weight, its mineral composition is about 40–40–20% concentration of sand–silt–clay, respectively.hlo can u tell the anser plz fast
is Distance is never negative.
Answer:
Yes, distance is never negative.
Answer:
No, distance is a postive if it was a negative number then yes
Step-by-step explanation:
Hope this help and Have good rest of your day or night
A small bag of 12 tiny potatoes costs 8.78........ how much does one potato cost?
6x10^-3 in standard notation
Answer:
0.006
Step-by-step explanation:
The number is currently in scientific notation. To change scientific notation into standard notation move the decimal place equal to the number of the exponent. In this case, the exponent is -3. So, move the decimal place 3 digits. Since the 3 is negative, move the decimal to the left. Therefore, 6.0x10^-3 becomes 0.006 because the decimal was moved 3 places to the left. When moving the decimal fill in any empty spaces with zeros.
75% as a fraction or mixed number
Answer:
[tex]{ \sf{ = \frac{3}{4} }}[/tex]
Answer: 3/4
Step-by-step explanation:
2(2t+4)=3/4(24−8t) please help
Step-by-step explanation:
the process is shown above hope you understand.
Mike won 59 super bouncy balls playing
hoops at his school's game night. Later,
he gave four to each of his friends. He
only has 7 remaining. How many friends
does he have?
Answer:
13 friends
59-7=52(to find the number of balls that Mike gave to his friends if he gave them only one ball each)
52/4 =13(if 52 is the number of balls that he gave them if he gave them one each, if he gives them four balls each all you have to do is to divide it by 4)
In 2004 a certain oil company spent sh 1740000 on crude oil import .This was a 20%increase 0ver the money on crude oil import in 2003.
a) How much did the company spend on crude oil import in 2003.
b)What was the difference in the money spent on crude oil import in the two years?
Answer:
a = 1,450,000
b = 290,000
Step-by-step explanation:
A: 1,740,000 = x*1.20
1,740,000/1.2 = x1.20/1.20
1,450,000 = x
B: 1,740,000 - 1,450,000 = 290,000
a bowl contains seven green chips 4 blue chips and 9 red chips find the probability?
The Probability of picking green chips, blue chips and red chips respectively are 7/20, 1/5, and 9/20.
Number of green chips = 7
Number of blue chips = 4
Number of red chips = 9
Total number of chips = 7+4+9 = 20
Probability of picking green chips = 7/20
Probability of picking blue chips = 4/20 = 1/5
Probability of picking red chips = 9/20
Read related link on:
https://brainly.com/question/24474763
please help with me #15 and #16
Answer:
just solve equation and you will get to know that
15 is d becoz both 8 gets cancelled
and
16 is b becoz then equation is simplified to x = smthng
I need step by step explanation with answers please answer I’ll mark ya as brainlist
Answer: Mark me as brainlist
1.
a. 5
b.5300
c.-891
d.-312
2.
a. y=3
b.x=-3
c.z=4
d. y=4.33
Step-by-step explanation:
1
a.Solution:
-32÷8×2+2+1
=-4×2+2+1
=-8+2+1
=-8+3
=-5
b. Solition:
53×9+109×53
=477+5777
=5300
c. Solution:
-891
d. Solution:
-63×12+12×37
=-756+444
-312
2.
a. Solution:
5y-3+3=-18+3
5y=-15
y=-15/5
y=3
b. Solution:
-3x-9+9=0+9
-3x=9
x=9/-3
x=-3
c. Solution:
4+3-3(z-8-3)=-23-3
4(z-5)=-20
4z-20=-20
4z-20+20=-20+20
4z
z=4
d. Solution:
1-2+2(y-4+2)=5+2
3(y-2)=7
3y-6=7
3y-6+6=7+6
3y=13
y=13/3
y=4.33
From the given figure, find the value of x and y:
pls pls pls answer my question
Answer:
have a great day
god is great
The following shapes are similar. AB : IJ is 5:1 and the length of FE is 30. What is the length of NM?
Answer:
6
Step-by-step explanation:
5:1
30:6
multiply by 6 so its 6
what is 3/4 x 3 + 2/4 + 1 = ????
as a whole number
Answer:
3/4×3 = 2.25
2/4×1= 0.5
Step-by-step explanation:
how it helps u
Is the image an example of a ray?
B
A
O Yes; AB has an endpoint and continues in one direction forever.
O Yes; AB is one-dimensional.
O No; AB continues forever in both directions.
O No; AB has two endpoints.
Answer:
O No; AB has two endpoints.Step-by-step explanation:
Ray - a continuous line therefore, do not have two endpoints.[tex]\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}[/tex]
AB is not a ray. It has two endpoints.
What is ray?"It is a part of a line that has a fixed starting point but no end point."
For given example,
We have been given a part of a line AB.
The starting point is A and the end point is B.
We know, one of the end of the ray is denoted by arrow.
Since both the ends of given figure are fixed, it is not ray.
AB is called as line segment.
Therefore, AB is not a ray. It has two endpoints.
Learn more about ray here:
https://brainly.com/question/17491571
#SPJ2
Write the equation y=-4x+7 passing through the point (-6,-8) in point slope intercept form?
Answer:
y + 8 = -4 (x + 6)
Step-by-step explanation:
y + 8 = -4 (x + 6)
Identify the mistake. Explain what the mistake is and what this person should have done.
Mistake:
2nd Line of Student Work.
Opening Brackets:
4*1 = 4 Correct
Problem is here: 4*5n = 20n, not 5n, Wrong
18. The cost of a television set recently increased from $160 to $200. What was the percent of increase in the price?
(A) 25
(B) 20
(C) 1/4
(D) 1/5
(E) 40
Answer:
25%
Step-by-step explanation:
Take the new price and subtract the original price
200-160
40
Divide by the original price
40/160
1/4
.25
Change to percent form
.25 *100%
25%
James had “x” amount of jellybeans. Jordan had twice the amount of jellybeans than James. If they had a total of 72 jellybeans altogether, how many jelly beans did James have?
is this right ,and if not respond quickly
Answer:
Q.3 It takes 490 seconds for light to get from the sun to the earth should light travel at the above-mentioned speed.
Convert 1.05 to a fraction
Answer:
21/20
Step-by-step explanation:
One way to look at it:
Convert 1.05 to a percentage so it's easier to see it as fraction out of 100
fraction x 100 = %
1.05 x 100 = 105%
105% means 105/100, and reducing the fraction gives 21/20.
21/20 = 1.05
The lyric, "Historians research more than just the word of one/To learn all sides of history" most closely means that
Which?
Answer:
I would say C
Step-by-step explanation:
I said C because when people look for information they look at different sources instead of just one.
HELP ILL GIVE BRAINLIEST QUICK!!
Answer:
Dan is correct
Step-by-step explanation:
First, I calculated the amount of hours that the graph shows in total, coming up with a total of 3,085 hours. I do this by multiplying the number of adults surveyed by the number of hours they spent. So for the first column, (80+70)*1, second column, (90+80)*2, third column, (135+130)*3, fourth column, (140+135)*4, and fifth column, (65+75)*5 if you get what I mean. Then I add up all values. Knowing that there were two sets of 500 American adults interviewed already, I came to the conclusion that 1,000 total adults were surveyed. Finally, I divided the total number of hours(3,085) by the total number of adults interviewed (1,000) to get a mean of 3.085 hours, rounding it to 3 hours and proving that Dan is correct.
PLEASE HELP I WILL GIVE BRAINLIEST!
Simplify: (2 squared + 3 to the fourth power) times squared -2
Answer:
-340
Step-by-step explanation:
2^2 is 4, + 3^4( is 81) = 85.
85 x -2^2= -340
Answer: 340
Step-by-step explanation:
Given wording expression
(2 squared + 3 to the fourth power) times squared -2
Convert to numerical expression
(2² + 3⁴) × (-2)²
Simplify exponents
=(2 × 2 + 3 × 3 × 3 × 3) × (-2) × (-2)
=(4 + 81) × (4)
Simplify value in the parentheses
=(85) × 4
Simplify by multiplication
=[tex]\boxed{340}[/tex]
Hope this helps!! :)
Please let me know if you have any questions
URGENT!!. Find the perimeter and area
9.85 m
15 m
11 m
9m
hope its helps
Step-by-step explanation:
total area = 99m² + 39.4m²
= 138.4m²
(Last one is point W)PLEASEEE HELP DUE SOON
Part 1
Answers: point Q, point R, point S
-----------------
Explanation:
All three points mentioned are on the same straight line; hence they are collinear.
=======================================================
Part 2
Answer: Point T or point W
Pick one of those answers only
-----------------
Explanation:
Notice how point W is not on the line shared by points Q, R, and S. The same can be said about point T with that line.
So we would say that the set {T, Q,R,S} is not a collinear set of points. We could also say {W, Q,R,S} is also not collinear.
Can someone help me???
Which of the following is equal to 1/2 or -1/2? Check all that apply.
Sin (7π/6)
Sin (4π/3)
Cos (5π/3)
Cos (π/6)
Cos (5π/6)
Sin (5π/6)
Answer:
Cos (5π/3)
Cos (π/6)I think this one
Answer:
Below in bold.
Step-by-step explanation:
The sine is positive in the first and second quadrants and negative in other 2.
The cosine is positive in the first and 4th quadrants and negative in other 2.
Note that sin(pi/6) = 1/2 and cos(pi/3 = 1/2).
sin(7pi/6) = 1/2
cos(5pi/3) = 1/2
sin(5pi/6) = 1/2
if 5 is a root of the quadratic equation x²+4x-45=0 find the other root of the equation
Answer:
-9
Step-by-step explanation:
x² + 4x - 45
x² + (9x - 5x) - 45
x² + 9x - 5x - 45
x(x + 9) - 5(x + 9)
(x + 9)(x - 5)
x + 9 = 0
x = -9
Answer: -9
Step-by-step explanation:
If 5 is a root of the quadric equation, then
x²+4x-45=0
x²-5x+9x-45=0
x(x-5)+9(x-5)=0
(x-5)(x+9)=0
The other root is -9