Answer:
The number of 7th graders exceed that of the number of 5th and 6th graders taken together by 5.88%.
Step-by-step explanation:
I am going to say that:
x is the proportion of 5th graders.
y is the proportion of 6th graders.
z is the proportion of 7th graders.
The number of 6th graders in RSM summer camp to that of 7th graders was 4 to 11
This means that:
\frac{y}{z} = \frac{4}{11}
z
y
=
11
4
So
11y = 4z11y=4z
y = \frac{4z}{11}y=
11
4z
The number of 5th graders to that of the 6th graders was 13 to 9.
This means that:
\frac{x}{y} = \frac{13}{9}
y
x
=
9
13
9x = 13y9x=13y
x = \frac{13y}{9}x=
9
13y
All of them is 100%
This means that:
x + y + z = 1x+y+z=1
We need to find z.
y = \frac{4z}{11}y=
11
4z
x = \frac{13y}{9} = \frac{13*4z}{9*11} = \frac{52z}{99}x=
9
13y
=
9∗11
13∗4z
=
99
52z
Then
x + y + z = 1x+y+z=1
\frac{52z}{99} + \frac{4z}{11} + z = 1
99
52z
+
11
4z
+z=1
The lcm(least common multiple) between 11 and 99 is 99. Then
\frac{52z + 9*4z + 99z}{99} = 1
99
52z+9∗4z+99z
=1
187z = 99187z=99
z = \frac{99}{187}z=
187
99
z = 0.5294z=0.5294
By what percent did the number of 7th graders exceed that of the number of 5th and 6th graders taken together ?
z(7th graders) is 52.94%.
x + y(5th and 6th graders) is 100 - 52.94 = 47.06%
52.94 - 47.06 = 5.88
The number of 7th graders exceed that of the number of 5th and 6th graders taken together by 5.88%.
a house can be painted in 5 days by ৪ workers. how long will it take for 12 workers to paint the same house
Answer: 5 days I think. :)
Step-by-step explanation:
Find the slope of the line through each pair of points.
1. (6, −18) and (15, −18)
2. (8, 12) and (0, 16)
3. (−15, 37) and (−15, 2)
4. (1 ,20) and (−5, 30)
5. (4, −36) and (8, −12
6. (11, −23) and (7, −15)
7. (−72, 54) and (−38, 100)
I will give Brainliest and 100 points
Answer:
1. 0, 2. -1/2, 3.undefined, 4. -5/3, 5. 6, 6. -2, 7. 23/17
Step-by-step explanation:
y2 - y1 / x2 - x1
1. -18 - -18 / 15 - 6 = 0
2. 16 - 12 / 0 - 8 = -4/8 = -1/2
3. 37 - 2 / -15 - -15 is undefined (can't have 0 as denominator)
4. 30 - 20 / -5 - 1 = 10 / -6 = -5/3
5. -36 - -12 / 4 - 8 = -24 / -4 = 6
6. - 23 - -15 / 11 - 7 = -8 / 4 = -2
7. 100 - 54 / -38 - -72 = 46 / 34 = 23/17
can someone tell me what this is
6% OF 56% X 60% X 40%
Answer:
Step-by-step explanation:
6% of 56 is 10.71
6% of 60 is 10
6% of 15
hopefully this answers your question
6% of 56 is 10.71
6% of 60 is 10
6% of 15
After this, I think you may want to multiply 10.71, 10, and 15. Unless you were trying to separate all the numbers. If you weren't, its 1606.5!
PLS HELP IM GONNA FAIL MATH
How long does it takes to walk around a circular pond that has a radius of 48 meters?
Answer:
This circumference of the pond is 2πr (or 2π48), which equals 301.44m(assumine pi is 3.14). How long it takes to walk around depends on the rate of speed.
Two stores opened on the same day. Both stores has 75 customers by the end of the first week. Store A's customers doubled each week for six weeks. Store B's customers increased by 200 each week for six weeks. Which store had more customers at the end of week 5?
A. Store A
B. Store B
C. They had the same amount of customers
D. Not enough information
Answer:
Store A
Step-by-step explanation:
Week 1 - Store A had 75 and Store B had 75
Week 2 - Store A had 150 and Store B had 275
Week 3 - Store A had 300 and Store B had 475
Week 4 - Store A had 600 and Store B had 675
Week 5 - Store A had 1200 and Store B had 875
Chris went to the store to buy some sports equipment. His mother had given him $30.00 to spend, and Chris took some of his own money along. He bought shin guards for $15.00, 2 pair of soccer socks for $7.99 each and a mini-soccer ball for $9.99. How much of his own money did he need to use?
Answer:
10.97
Step-by-step explanation:
Add 15, 7.99, 7.99, and 9.99. Then subtract 30 witch = 10.97
give me the right answer please i will give u half of my points i have 320 pleaseee im in a test rn
what is the solution to the inequality: -2x>30
Answer: any neative number thats -16 and up
for example -16, -17,-18 etc
Step-by-step explanation:
RectangleA′B′C′D′ is the image of rectangleABCD after a dilation.
What is the scale factor of the dilation?
The length of the side of the original is 3 units.
The length of the side of the smaller one is 1.5
Scale = 1/2
Which properties to evaluate 7/5 (1/4 divided by 7/4) (-10)
Answer:
-2
Step-by-step explanation:
1. Cancel the common factor
The y axis is _____________
horizontal
vertical
diagona
Answer:
It is a vertical line.
Step-by-step explanation:
See below attached picture. The purple line represents the y-axis.
Hoped this helped.
[tex]GeniusUser[/tex]
plzz help me this is my last chance
Answer:
C. This is the answer because it doesn't have to be answered.
Answer:
B
Step-by-step explanation:
B is a question that doesn't need an answer, but is used to make the reader think.
I need help plz. You have to write an equation from the graph, you either multiply, divide, add or subtract
i will give brainly if you’re right and if you explain
[tex]area \: of \: circle = \pi \times {r}^{2} \\ area \: of \: circle = 9\pi \times ft {}^{2} \\ 9\pi \times ft {}^{2} = \pi \times {r}^{2} \\ = r = \sqrt{\ 9 pi \times \: ft {}^{2} } \\ r = 3ft[/tex]
How you write a inequality and then graph the answer?
Answer:
To write an inequality, you need to write a number on the number line, and to graph it, you need to write another inequality and figure out what the answer is.
hope this helped.
The measure of an angle is 3.3°. What is the measure of its supplementary angle?
Answer: The supplement of an angle is 60 less than 3 times the measure of the complement.
Step-by-step explanation:
a supplementary angle is thrice as much as the complementary angle.
Not sure but hope it helped :)
Help please with these solutions
Answer:
a
Step-by-step explanation:
just needed the points, sorry
PLease help me dont answer if u dont know
Answer:
[tex]a_n=-8+(n-1)-7[/tex]
Step-by-step explanation:
General arithmetic sequence formula: [tex]a_n=a_1+(n-1)d[/tex]
where [tex]a_1[/tex] = first term, and d = common difference.
The first term is -8
And the common difference appears to be - 7 as 7 is subtracted to get to the next term. Ex. -8 - 7 = -15, -15 - 7 = - 22 and so on.
To get the explicit formula of the sequence we simply plug in the values of a1 and d the general arithmetic sequence formula
General formula: [tex]a_n=a_1+(n-1)d[/tex]
We have [tex]a_1=-8[/tex] and d = -7
So the formula to find the nth term would be
[tex]a_n=-8+(n-1)-7[/tex]
What is the distance between the points? Round to the nearest tenth if necessary.
Answer:
10/4
Step-by-step explanation:
rise over run
A submersible is a type of underwater vessel. Suppose a submersible starts at a depth of 40 feet below sea level, represented by –40 feet. The table shows the submersible's change in depth from one minute to the next.
1. Write and evaluate a subtraction expression to find the depth of the submersible at 2:16 p.m.
2. Write and evaluate a subtraction expression to find the depth of the submersible at 2:17 p.m.
3. Write and evaluate a subtraction expression to find the depth of the submersible at 2:18 p.m.
4. If the submersible dove straight down, what is the distance between the submersible's starting position at 2:15 and its position at 2:18? Show your work.
Marissa is biking with friends. Their distance traveled can be determined by the equation D = 13h, where D is the distance, in miles, and h is the number of hours spent biking. Identify the constant of proportionality.
Answer:
The 13 would be the constant.
Step-by-step explanation:
Can you please help me?
Please help! This is due tomorrow!
[tex]\left(\dfrac 14 x -7 \right) - \left(\dfrac 34 x - 5 \right)\\\\\\=\dfrac 14 x -7 - \dfrac 34 x +5\\\\\\=x\left(\dfrac 14 - \dfrac 34 \right) -2\\\\\\=- x\left(\dfrac 24 \right) -2\\\\\\=-\dfrac 12 x -2[/tex]
Answer:
-1/2x-2
Step-by-step explanation:
Distribute the negative sign from the right side to make the equation positive
1/4x - 7 + (-1)(3/4x) + (-1)(-5)
(basically multiplying -1 to 3/4x and -5 to eliminate it)
1/4x - 7 + -3/4x+ 5
Make the equation similar
(1/4x + -3/4x) + (-7 + 5)
combine like terms
1/4x + -3/4x = -2/4x --> Simplifies to -1/2x
Do the other integers
-7 + 5 = -2
Put it together
-1/2x-2
Find the missing values in the ratio table. Then write the equivalent ratios. People 6 18 Benches 3 12 a The equivalent ratios are 6 : 3, : 12, and 18 : . Skip to navigation
The missing values in the ratio table are;
⇒ 6 : 3 , 24 : 12, and 18 : 9
What is mean by Ratio?
A ratio indicates how many times one number contain in another number. The ratio of two number is written as x : y, which is equivalent to x/y.
Where, x and y are individual amount of two quantities.
And, Total quantity gives after combine as x + y.
Given that;
Peoples = 6 , 18
Benches = 3, 12
Now,
The equivalent ratios are;
⇒ 6 : 3 , x : 12 , 18 : y
Find the values of x and y as;
Since, All the ratio are equivalent.
So, we get;
⇒ 6 : 3 = x : 12
⇒ 6 / 3 = x / 12
⇒ 6 × 12 / 3 = x
⇒ x = 24
And, ⇒ 6 : 3 = 18 : y
⇒ 6 / 3 = 18 / y
⇒ 6 × y = 18 × 3
⇒ y = 18 × 3 / 6
⇒ y = 9
Thus, The missing values in the ratio table are;
⇒ 6 : 3 , 24 : 12, and 18 : 9
Learn more about the ratio visit:
https://brainly.com/question/25927869
#SPJ5
i need help i will give 19 po.ints
-5 7/10
How?
13 4/5
8 1/10
you need similar denominators.
13 4/5 x 2 = 13 8/10
13 8/10 + ? = 8 1/10
8 1/10 + 5 7/10 = 13 4/5
(5 7/10 turned negative bc its below sea level and your technically adding.)
MAY BE INCORRECT!
Answer:
5 7/10
Step-by-step explanation:
you would need to subtract 13 4/5 - 8 1/10 t get positive 5 7/10
(i got this right o my test)
What is the length, in units, of the line segment with endpoints at (1, 4) and (3, 7)?
A. √137
B. √15
C. √5
D. √13
Answer:
The answer is √13
Step-by-step explanation:
PLEASE SOLVE THIS!!!
6-3y+(-8y)+5.3
Answer:
11.3 - 11y
Step-by-step explanation:
remove parenthesis: 6 - 3y - 8y + 5.3
collect all the like term: 11.3 -11y
Kimi brought chocolate and vanilla cupcakes to school for her birthday. 2 students picked a vanilla cupcake and 18 students picked a chocolate cupcake. What percentage of the students picked a vanilla cupcake?
Answer: 10% of students picked a vanilla cupcake.
Explanation: 18 + 2 = 20. 20 is 100% of 20. 20/10 = 2, and 2 is 10% of 20, therefore 10% of students picked a vanilla cupcake.
what is 9/14 x 2 1/3!!!!
I need assistance with this