I'm sorry if I get this wrong, but there isn't enough evidence.
If we think about the shorter side being 4.2 cm, then just divide 33.6 by 4.2 to give it a ratio. 33.6 / 4.2 is 8. The ratio of the scale drawing to the actual playground would be 1 : 8.
The longer side is 10.5, so just multiply that by 8. You'd get 84 meters. The only part left is getting the area.
Multiply 84 x 33.6 and you'd get 2822.4
The answer would be 2,822.4 squared.
GUYS PLEASE HELP I MARK BRAINLIEST 5 STARS IM SORRY ABOUT THE POINTS I ONLY HAVE 13 Andre’s school orders some new supplies for the chemistry lab. The online store shows a pack of 10 test tubes costs $4 less than a set of nested beakers. In order to fully equip the lab, the school orders 12 sets of beakers and 8 packs of test tubes.
Write an equation that shows the cost of a pack of test tubes, t, in terms of the cost of a set of beakers, b.
t=b-4
The school office receives a bill for the supplies in the amount of $348. Write an equation with t and b that describes this situation.
b+t=348
Since t is in terms of b from the first equation, this expression can be substituted into the second equation where t appears. Write an equation that shows this substitution.
b+(b-4)=348
b=176
How much did the school pay for a set of beakers? $____
How much did the school pay for a pack of test tubes? $____
Answer:
this is not originally by me
Step-by-step explanation:
10t = b - 4
12b+8t = $348
This is a system of equations. I’ll be solving through substitution.
In the first equation. solving for b (the easier variable to isolate) gives you:
b = 10t + 4
Substitute this into the second equation:
12(10t+4) +8t = 348
120t+48+8t = 348
128t = 300
t = 2.34375 —> round it to the nearest cent to get 2.34 dollars
b = 10t+4
b = 10(2.34)+4
b = 27.4 dollars
plzzzzzzzzzzz answerrrrrrrrrrrrrrrr i need it asap
Maxine spent 15 hours doing her homework last week. This week she spent 18 hours doing homework. She says that she spent 120% more time doing homework this week. Is she correct? Show your work to justify your decision.
Answer: 120
%
=
1.2
If Maxine is correct, then she spent
1.2
times the hours she did homework than last week.
15
⋅
1.2
=
18.0
=
18
15 hours
⋅
1.2
=
18.0 hours
=
18 hours
This means that Maxine is correct.
HOPE THIS HELPS
What is standard deviation for 110 120 120 130 140 140 150 160 160 170
Answer:
Standard Deviation (cont’d)Weights(pounds):110 120 130 140 150 150 160 170 180 190Deviation scores(x) forM = 150:-40 -30 -20 -10 0 0 10 20 30 40 Squared deviation scores(x2):1600 900 400 100 0 0 100 400 900 1600Sum of squared deviation scores:1600+900+400+100+0+0+100+400+900+1600 = 6000SD= √(6000/(N-1) = SD= √(6000/(9) = 25.82Standard Deviation Interpretation•Provides a “standard”—the SDindicates the average amount of deviation of scoresfrom the mean•Tells you how wrong, on average, the mean is•An SDprovides valuable information when the distribution is normal:–There are approximately three SDsabove and below the meanin a normal distribution•In a normal distribution, a fixed percentage of cases lie within certain distances from themeanSDs and Individual Scores•A person who scores one SDbelow the mean has a higher score than 16% of the cases (2.3% + 13.6%)•A person who scores one SDabove the mean has a higher score than 84% of the cases (50.0% + 34.1%)Example: Midterm marks:
factorise 2x^2 + 7x + 3
so i’m trying to figure out the slope of the line shown on the coordinate plane
Answer:
2
Step-by-step explanation:
pick two points that the line crosses through and write down the coordinates
eg. (3,3) and (2,1)
change in y/change in x
3-1/3-2
2/1
2
hope that helps :)
Answer:
2
Step-by-step explanation:
I need helppp!!!
−50=10s
A ladder is 61 inches tall. How tall is it in feet and inches
Answer:
5'1
Step-by-step explanation:
Every 12 inches is a foot. 12 x 5 is 60. Plus 1. Is 61.
That mean's it's 5 feet 1 inch.
Answer:
5 feet 1 inch
Step-by-step explanation:
because 12 inches is equal to 1 foot and 12 times 5 is 60 so that 5 feet plus one inch is 5 foot 1 inch
find the distance between (-4,0) and (8,-3)
Answer:
12.3693
Step-by-step explanation:
use distance formula
The wholesale cost of a pair of PUMA sneakers is $28. Academy Sporting Goods sells the sneaker for 74.99. Rounded to the nearest 10th of a percent, which choice best represents the markup rate?
Question 4 options:
37.8%
.6%
167.8%
62.7%
I WILL GIVE BRAINLIST IF YOU PUT THE RIGHT ANSWER BUT IF U DONT KNOW IT DO NO ANSWER OR I WILL REPORT U
Answer:
167.8
Step-by-step explanation:
Answer: 167.8
Step-by-step explanation:
Can anyone please help me solve this??
(-1,-4) and (3, -4) slope intercept equation
Answer: y = 0 - 4
Step-by-step explanation:
2x+3y=53
3x-y=19
what are the values of x and y
Answer:
pineapples
Step-by-step explanation:
The quotient of x-6and 8
Answer:
(x-6)/8
Step-by-step explanation:
it cannot be simplified any further
I hope this helped, and if it did, please mark this as brainliest! Thanks!
Use Phythagoras Theorem!!
the length pf a rectangle is 50 cm and its diagonal is 51 cm. work out the area of the rectangle, to the nearest square centimetre.
a² + b² = c²
50² + 51² = c²
2500 + 2601 = c²
5101 = c²
√5101 ≈ 71.42 cm.
Answer: Area of the rectangle = 102.5 cm² Round to 103 cm²
Step-by-step explanation:
The diagonal is the hypotenuse, c So subtract the square on the base (length) to find the altitude (height).
a² + b² = c²
a² + 50² = 51²
a² = 51² - 50²
a² = 2601 -2500
a² = 101 take the square root of both sides
a = √101
a = 10.04987562 Round to 10.05
Area = LW
Area = 50 × 10.05
Area = 102.5 cm² Round to 103 cm²
im marking brainliest who ever answers this
Answer:
84%
Step-by-step explanation:
[tex]\frac{21}{25}[/tex]
25 needs to be equal to 100, so it would need to be multiplied by 4.
So, do the same thing the numerator 21.
[tex]\frac{84}{100}[/tex]
84/100 is equal to 84%
Answer:
[tex]\frac{21*4}{25*4} =\frac{84}{100}=84%[/tex]%
I'll give brainliest to correct answer.
Which statement best describes the area of the triangle shown below?
A. It is twice the area of a rectangle of length 4 units and width 3 units.
B. It is twice the area of a square of side length 3 units.
C. It is one-half the area of a rectangle of length 4 units and width 3 units.
D. It is one-half the area of a square of side length 3 units.
Answer:
C
Step-by-step explanation:
A group of friends are going to see the newest action movie. The price of a ticket is $6.25. As a group, they spent $12 on refreshments. If they spent a total of $30.75 on tickets and refreshments, how many people went to the movies?
Which equation represents the scenario?
How many people went to the movies?
Answer:There would be 3 people at the movies.
Step-by-step explanation:
2. Find the slope of the line cuated from the point this table please help
Answer: the slope is -7
Step-by-step explanation: by finding the difference between 14/2 and 7/3, then 7/3 and 0/4, you find that the difference is a negative 7/1 which simplifies to -7.
SIMPLE FRACTIONS BUT I FORGOT
4/3 im not sure though oof
a company's stock was selling at $30 a share. a month later it was selling at $33 a share what is the percent increase?
Answer:
The answer is 10%
Step-by-step explanation:
33-30=3
3\30 *100= 10%
Put the numbers in descending order 25% 3/4 2.8x10
Answer:
3/4 25% 2.8x10
Step-by-step explanation:
What percentage of a day is 4 hours?
Answer:
1/6%
Step-by-step explanation:
i belive thats the answer hope it helps
Four friends took a road trip that lasted 50 hours round trip. Denny drove five times as long as Connor, while Pat and Seth drove the same amount of time. Connor drove half as long as Pat. How long did Denny drive?
Answer:
Denny drove for 25 hours
Step-by-step explanation:
Here, we want to calculate the amount of time Denny drove
Let the time Connor drove be c
Denny drove 5 times as this which is 5 * c = 5c
Conor drove half as long as Pat
So this means that Pat drove 2 times Conor = 2c
Seth is same as Pat which is also 2c
Adding all gives 50
c + 5c + 2c + 2c = 50
10c = 50
c = 50/10
c = 5 hours
Denny = 5 * c
= 5 * 5 = 25 hours
What is the value of x? (-8x = 24) - 6x +18 - 122
Enter your answer in the box X=
Answer:
the value of x in x? (-8x = 24) - 6x +18 - 122 is x=40
Hope you do good :)
Help! “Ms.Day drew a rectangle on the board with a width of 14 cm and a digo al length of 50 cm. Find the length of this rectangle in centimeters.”
Answer:
length=48cm
Step-by-step explanation:
a²+14²=50²
a²+196=2500
a²=2304
a=48
Shayla tutors middle school students and high school students. She charges a different rate for each. Last week, she tutored middle school students for 5 hours and high school students for 12 hours. This week, she tutored middle school students for 6 hours and high school students for 10 hours. She earned $400 last week and $370 this week. How much does she charge each?
Answer:
Shayla charges $20 per hour for middle school students and $25 per hour for high school students.
Step-by-step explanation:
System of Equations
Let's call:
x = Shayla's hourly charge for middle school students
y = Shayla's hourly charge for high school students
Last week, Shayla tutored middle school students for 5 hours and high school students for 12 hours. The total earning was 5x+12y. She earned $400 last week, thus:
5x + 12y = 400 [1]
This week, she tutored middle school students for 6 hours and high school students for 10 hours. The total earnings were 6x+10y and it represented $370, thus:
6x + 10y = 370
Dividing by 2:
3x + 5y = 185 [2]
We have formed the system of equations:
5x + 12y = 400 [1]
3x + 5y = 185 [2]
Multiply [1] by -3 and [2] by 5:
-15x - 36y = -1200
15x + 25y = 925
Adding both equations:
-11y = -275
Dividing by -11:
y = -275/(-11) = 25
y = 25
Substituting in [1]:
5x + 12*25 = 400
5x + 300 = 400
5x = 400 - 300 = 100
x = 100/5 = 20
x = 20
Shayla charges $20 per hour for middle school students and $25 per hour for high school students.
Write an inequality that is represented by the graph.
Answer:
ff
Step-by-step explanation:
Is (1, 2) a solution to this system of equations? 10x + 4y = 18 x + 9y = 19
Answer:
Yes
Step-by-step explanation:
The intersection point of 10x+4y=18 and x+9y=19 is (1,2) on a graph.
80pts
1 point
A polygon undergoes a combined transformation of T3, 2) (Ro, 90'). The vertex (5. 2) of the polygon maps to what final image?
O (-4,8)
O (-2,5)
(1,7)
O (5,-3)
Answer:
Do you have the picture of the assignment?
one sixth multiplied by 42
Answer:
6/42 = 1/7
Step-by-step explanation:
1/6 x 42/1
1 x 42 = 42
6 x 1 = 6
simplify to 1/7 (6 divided by 6 = 1, 42 divided by 6= 7)
hope this helps :)
Answer:
7
Step-by-step explanation:
1/6 x 42 = 7