Answer:
Daniel saved $127.50 for a guitar. His younger brother took $2.50 from him. How much money does he have left (x)? Solve for x.
Step-by-step explanation:
hope that helped :)
What is the percent change from 6,000 to 9,000
Answer: 50% would be the correct answer.
How many minutes are there in 4 1/4
hours?
mins
Pls help
Answer:
255 minutes
Step-by-step explanation:
NEED ANSWER ASAP PLEASE!! WILL GIVE BRAINLIEST
The number of weekly social media posts varies directly with the square root of the poster's age and inversely with the cube root of the poster's income. If a 16-year-old person who earns $8,000 makes 64 posts in a week, what is the value of k?
Answer:
k= 320
.................
8
9
16
18
24
27
36
32
45
Which number completes the table of equivalent ratios?
A)
38
B)
40
o
42
D)
44
Answer:
40
Step-by-step explanation:
...... ...... ...... ..... .
One angle of a parallelogram is 5 times another angle of the parallelogram. The measure of the largest angle of the parallelogram is...
*If you don't mind adding the label plz, it would help a lot thanks :)
Answer:
150 degrees
Step-by-step explanation:
let x = measure of smaller angle
let 5x = measure of larger angle
larger angle plus smaller angle = 180
5x + x = 180
6x = 180
x = 30°
5(30) = 150°
Graph the line with slope 2 passing through the point (1, -3).
?.
be
-0
OX
6
8
10
Answer:
2x-5=y
I'm not sure how your graphing tool works so I'll give you five or so coordinates
(-1,-7)
(1,-3)
(0,-5)
(2,-1)
(-2,-9)
Step-by-step explanation:
You first need to write an equation that you can graph
Knowing that the slope is two we can write the following equation
2x+b=y
We also know that when x=1 y=-3
This gives us 2*1+b=-3
which means that 2+b=-3
subtract 2 from both sides to figure out the b=-3
This means that the line you have to graph is 2x-5=y
PLEASE HELP ILL GIVE BRAINLIEST !!!
Answer:
a. y=-3/2x-7
Step-by-step explanation:
First, you make the equation into slope intercept form, which is y=2/3x-3.
Then, because its perpendicular, the slope turns negative and upside down, so its -3/2, and then you insert the point (4, -1) to get the y intercept, which is -7. So you're answer is a.
(hope this helps :P)
College essay for UC Santa Barbara has to be 500 words long but the actual essay can vary by as much as 20 words. Write an absolute value inequality that could find the range of possible number of words for the essay.
|x - 20| ≤ 500
|x + 20| ≥ 500
|x + 500| ≥ 20
|x - 500| ≤ 20
Answer:
|x - 500| ≤ 20
Step-by-step explanation:
can somebody solve 2 and 3 for me?
Answer:
2. D) 275
3. C
Step-by-step explanation:
2. 20 divided by 10 = 2
550 divided by 2= 275
3. 35 times 8= 550$
1 month is 35$
2 months is 70$ (35+35)
4 months is 140$ (70+70)
6 months is 210$ (140+70)
HOPE THIS HELPS!!!
Answer:
2. D) 275
3. C
Step-by-step explanation:
2. 20 divided by 10 = 2
550 divided by 2= 275
3. 35 times 8= 550$
1 month is 35$
2 months is 70$ 35+35
4 months is 140$ 70+70
6 months is 210$ 140+70)
A right-angled triangle has sides of lengths (x+5)cm, (x-3)cm and 9cm. Calculate the value of x. Give your answer to 3 significant figures. (Quadratic Formula)
Answer:
x = (3.95 and -5.95)
Step-by-step explanation:
Given:
Hypotenuse = 9 cm
Perpendicular = (x+5) cm
Base = (x-3) cm
Find:
Value of x
Computation:
Using Pythagoras theorem
Hypotenuse² = Perpendicular² + Base²
9² = (x+5)² + (x-3)²
81 = x² + 25 + 10x + x² + 9 - 6x
2x² + 4x - 47 = 0
Quadratic Formula
x = [-b±√b²-4ac] / 2a
x = [-4±√16+376] / 2(2)
x = (3.95 and -5.95)
Henry received $500 for his birthday which he intends to invest in an account that pays simple interest at the rate of 12% per year. How much will be in the account
Answer:
$560
Step-by-step explanation:
Given that :
Principal, P= $500
Interest rate, r = 12% per year
Amount in account after 1 year
Time = 1 year
Using the relation :
A = P(1 + rt)
A = final amount in account
A = $500(1 + 0.12(1))
A = $500(1 + 0.12)
A = $500(1.12)
A = $560
Which values represent solutions to cos
$(# - x) =
sin x, where x € (0,21)?
(0.7)
0 (0.3
Answer:
C option
Step-by-step explanation:
C is the correct solution of to above equation
PLEASE HELP AM BEING TIMED
The value of W is:
The value of X is:
Luci Lulu opened a cookie store in the mall. She found that the relationship between the price of a cookie, p, and the number of cookies sold, x, is given by the linear relationship x= -2000 p + 4000. Find the maximum revenue Luci can make selling cookies in one day. Find the price she should sell the cookies for to make the maximum revenue.
Answer:
The maximum revenue Luci can make selling cookies in one day is $2,000.
The price she should sell the cookies to make the maximum revenue is $1
Step-by-step explanation:
W are given the following in the question:
x= -2000 p + 4000 ................ (1)
Therefore, revenue can be obtained as follows:
Revenue = R = px = p(-2000 p + 4000) = -2000p^2 + 4000p ........... (2)
Differentiating equation (2) with respect to p and equate to 0, we have:
dR / dp = -4000p + 4000 = 0 ................. (3)
From equation (3), we solve for p as follows:
-4000p + 4000 = 0
4000 = 4000p
p = 4000 / 4000
p = 1
Therefore, this implies that the price she should sell the cookies to make the maximum revenue is $1.
Substituting p = 1 into (2), we have:
Revenue = (-2000 * 1^2) + (4000 * 1)
Revenue = -2000 + 4000
Revenue = 2000
Therefore, this implies that the maximum revenue Luci can make selling cookies in one day is $2,000.
PLEASE HELP ME I’M REALLY FAR BEHIND IN MATH! I’LL MARK BRAINLIEST! (Looks at picture)
Answer:
x=1
Step-by-step explanation:
4x+5=9
-5 -5
4x=4
4/4
=1
x=1
Answer:
x=1.......
Step-by-step explanation:
Your welcome
In Hawaii a volcano is about to explodel At 6:00 am a device placed inside the volcano
measures the temperature at 69.5 degrees Celsius. Every 3 minutes the temperature
rises 1/5 a degree. If the Volcano explodes at 1455 degrees Celsius how many hours do
they have to evacuate a nearby city?
Will Mark BRAINLIEST to the correct answer
Complete question :
In Hawaii a volcano is about to explodel At 6:00 am a device placed inside the volcano
measures the temperature at 69.5 degrees Celsius. Every 3 minutes the temperature
rises 1/5 a degree. If the Volcano explodes at 145.5 degrees Celsius how many hours do
they have to evacuate a nearby city?
Will Mark BRAINLIEST to the correct answer
Answer:
19 hours
Step-by-step explanation:
Given that:
Temperature of volcano at 6:00 am = 69.5°C
Average rise in temperature per 3 minute = 1/5
Hence, rise in temperature per minute = 0.0666666°C
Temperature at which volcano will explode = 145.5°C
Hence, change in temperature :
(145.5°C - 69.5°C) = 76°C
Hence, temperature will have to rise by 76°C
Rise in temperature / rate of temperature increase
= 76°C / 0.0666666°C
= 1140.0011 minutes
= 1140.0011 / 60
= 19.0000019 hours
= 19 hours
which of the following is a point on the graph of y=(1/2)x
Answer:
left, hope this helps
Step-by-step explanation:
Of the students at Milton middle school 171 are girls if 45% of the students are girls how many total students are there at milton middle school
Answer:
380
Step-by-step explanation:
171:45=3,8
3,8*100=380
I need an answer really quick.
Answer:
Switch to the other streaming service
Step-by-step explanation:
So, 96$ with a 12% increase is $107.52.
But if you do 8.75×12 you get $105.
So Clare should switch to the other music stream.
PLS HELP ME ILL GIVE BRAINLIEST
Answer:
D
Step-by-step explanation:
y is greater and equal than -6 because 13-19=-6
Can you help me please
Answer:
a)x=5 b)x=4
Step-by-step explanation:
a)9.5×2=19
3x+4=19
19-4=15
15÷3=5
x=5
b)5×3=15
7+2x=15
15-7=8
8÷2=4
x=4
hope this helps
Find HI (hint it is MORE than solving for x)
Answer:
HI = 10
Step-by-step explanation:
HI + IJ = HJ , substitute values
2x + 3x - 1 = 24 , that is
5x - 1 = 24 ( add 1 to both sides )
5x = 25 ( divide both sides by 5 )
x = 5
Thus
HI = 2x = 2 × 5 = 10
On the second day of a hiking trip the tourist covered a 17% bigger distance than on the first day . By how many percent of their average speed change from the first to the second day if on the second day they were hiking for a 20% longer time
Answer:
2.5%
Step-by-step explanation:
x=distance y=time
x has been increased by 17%
100%+17% = 117%
y has been increased by 20%
100%+20%=120%
Now let's make the percentages into decimals. 117%=1.17 120%=1.2
To find the average speed you do the distance traveled divided by the time taken.
Average speed = 2.5%
MATHHHHHH I NEED HELP PLEASE!!!!!
Answer:
so at (0,20) she spent all the money on (20) orange juice and 0 coffee
then at (15,0) she spent all the money on (15) coffee and 0 orange juice
Step-by-step explanation:
PLZ I NEED HELP. WILL GIVE BRAINLIEST
What will the sign be on the solution to this problem: (-3)(-4)(5)(6)(-7)
-
+
Answer:
it will be -.
Step-by-step explanation:
Calculate the missing angle measures
angle A= 102 degrees
angle B= unknown
angle C= 57 degrees
please hurry!
Answer:
angle b = 21 degrees
Step-by-step explanation:
102+57+ x =180 all triangles equal 180 degrees so set equal to 180
159+ x =180
x= 21
Answer:
The answer is 21 degrees.
Step-by-step explanation:
First of all, you should know that all the triangle sides add up to 180 degrees. Add up all the degrees, 102 + 57 + x.
102 + 57 + x = 180
159 + x = 180
x = 21
R1 - Writing and using formulae
Miss Joplin is planning the resources for a maths lesson.
She needs...
1 ruler per pupil plus 4 spare
5 pieces of dondy paper per pupil
. 5 pieces of card per pupil plus 7 spare.
V=
Write down formulae for the number of rulers (r)
and the amount of dotty paper (d) and card (c).
Jse p for the number of pupils.
d =
c =
[6]
Answer:
im trying to do a challenge because this kid deleted all my answers
Step-by-step explanation:
A town manager reports that revenue for a given year is $563,878. The budget director predicts the revenue will increase by 7% per year. How much revenue will the town have available in 6 years? (round to the nearest cent)
Answer:
below
Step-by-step explanation:
the yearly multiplier
= 1.07
After 6 years revenue wii, b 563878 * 1.07^6
= $846,228.83.
In an experiment , the temperature of a solution is -5/8 degrees. The temperature drops 1 1/2 degrees. What is the temperature after the drop?
Answer:
- 2 1/8 degrees
Step-by-step explanation:
Given
Initial temperature of a solution = -5/8 degrees
Amount drop = 1 1/2 degrees
Temperature after the drop = -5/8 - 1 1/2
Temperature after the drop = -5/8 - 3/2
Temperature after the drop = -5-12/8
Temperature after the drop = -17/8
Hence the temperature after the drop is - 2 1/8 degrees
HELP!!! Which values are equivalent to the fraction below? Check all that apply. The problem is the first picture, and the answers are the second picture.