Answer:
The answer is 250 kids
Step-by-step explanation:
Please give me brainlest
Answer:
250
Step-by-step explanation:
If 100 kids is 40%, then 200 kids (twice as much) is 80%. 20% (what's remaining) is half of 40%, so it is also half of 100; 50. Add that together, 250 kids.
Calculate the missing values in these similar triangles
Please show work , if u can.
Thank you <3
Answer:
x = 16
y = 70.4
Step-by-step explanation:
Two triangles are similar, so we can use the similarity ratio to so find the variables
(2.8)/(22.4) = (8.8)/y cross multiply expressions
197.12 = (2.8)*y divide both sides by 2.8
70.4 = y
use same operation to find x
(2.8)/(22.4) = x/128 cross multiply expressions
358.4 = (22.4)*x divide both sides by 22.4
16 = x
Pemdas please help explain too please
Parenthesis
Exponent
Multiplication
Division
Addition
Subtraction
(left to right)
4²-(3.1+6.4)+4.5
According to PEMDAS, we will do what is inside the parenthesis.
3.1+6.4 = 9.5
4²-9.5+4.5
Then we do figure out the exponent.
4² = (4)(4) = 16
16-9.5+4.5
Then we do subtraction then addition because PEMDAS also tells us we should do adding and subtracting from left to right. In this expression, subtracting is on the left side so we should do that first.
16-9.5 = 6.5
6.5 + 4.5 = 11
11 is your answer :)
Write the first five terms of the arithmetic sequence. a1 = 9; d = -2
Answer:
nth term = 1 1/2n -1
Step-by-step explanation:
The arithmetic sequence formula is:
a n = a 1 + ( n – 1 ) d
Where: a n
is the nth term in the sequence
a 1
is the first term in the sequence
n
is the term you are solving for
d
is the common difference for any pair of consecutive numbers in the sequence.
First Term or
n = 1 :
This is given in the problem.
a 1 = 9
Second Term or
n = 2 :
Substitute
2 for n
in the formula and substitute the values from the problem giving:
a 2 = 9 + ( ( 2 – 1 ) × -2 )
a 2 = 9 + ( 1 × -2 )
a 2 = 9 +-2
a 2 = 7
Fifth Term or n = 5 :
Substitute in the formula and substitute the values from the problem giving:
a 5 = 9+ ( ( 5– 1 ) × -2 )
a 5 = 9 + ( 4 × -2 )
a 2 = 9 + -8
a 2 = 1
Using this same process you should be able to determiner the
Third Term or n = 3
: and Fourth Term or n = 4 :
A city manager determined that the city’s busiest intersection averages 530 cars per hour during afternoon rush hour. Assume that the standard deviation is 38.4 and a random sample of 60 hours was used to determine the average. Which statements are true about this situation?
A.The sample isn’t large enough to use a normal distribution.
B. The margin of error for 99% confidence is about 11 cars.
C.The margin of error for 95% confidence is about 10 cars.
D. The 95% confidence interval is from about 508 to 552 cars.
E. The 99% confidence interval is from about 517 to 543 cars.
Answer:
its c and e
Step-by-step explanation:
Sami read 12 books in 7th grade. In 8th grade she read 18 books. What is the percent of increase on the number of books that Sami read
Answer:
50% Increase
Step-by-step explanation:
first you can find half the number of the first amount
then in the case it is 6 so 12+6=18.
Answer:
20
Step-by-step explanation:
The percent of increase is 20%.
In order to solve this problem you have to solve this equation:
18-15/15
3/15
0.2 = 20%
A in the parallelogram ABCD is 67° as shown below. Solve for the measure of C.
Answer:
67°
Step-by-step explanation:
In a parallelogram, the opposite angles are always equal to each other.
Quick math question 100 points pls help
Thisbis a general geometric progression
first term=a=9common ratio=2/3=rSo iterative formula
ar^{n-1}9(2/3)^{n-1}Answer:
[tex]a_n=9 \cdot \left(\frac{2}{3}\right)^{n-1}[/tex]
Step-by-step explanation:
Given:
[tex]\begin{cases}a_1=9\\a_n=\frac{2}{3}(a_n-1)\end{cases}[/tex]
General form of a geometric sequence:
[tex]a_n=ar^{n-1}[/tex]
where:
a is the first termr is the common ratioTherefore:
[tex]a = a_1 = 9[/tex][tex]r = \dfrac{2}{3}[/tex]Substitute the given values into the general formula:
[tex]\implies a_n=9 \cdot \left(\frac{2}{3}\right)^{n-1}[/tex]
Learn more at:
https://brainly.com/question/27783194
Solve the formula for V in terms of d and m
Step-by-step explanation:
[tex] d = \frac{m}{V}[/tex]
[tex] V \times d = m[/tex]
[tex] V = \frac{m}{d}[/tex]
8 5/12+ 11 1/4=
In simplest form
Answer:
59/3
Explanation:
8 5/12 + 11 1/4 in simplest form is 59/3.
2,4,1=4
6,0,3=6
7,2,4=7
1,0,8=?
Answer:
8 is the correct answer ...
The chart gives the income distribution of Sambala, an island nation in the arctic ocean. Annual income Ken $35000 Leo $46000 Michael $68000 Marion $300000 Joseph $57000 Ellen $41000 Tom $66000 What is the mean income in Sambala
Using it's concept, it is found that the mean income in Sambala is of $87,571.43.
The mean of a data-set is the sum of all observations in the data-set divided by the number of observations.
In this problem, there are 7 observations: 35000, 46000, 68000, 300000, 57000, 41000 and 66000.
Hence, the mean is:
[tex]M = \frac{35000 + 46000 + 68000 + 300000 + 57000 + 41000 + 66000}{7} = 87571.43[/tex]
The mean income in Sambala is of $87,571.43.
A similar problem is given at https://brainly.com/question/13451786
The bike you have been saving for is discounted 25%. You have $600 saved to purchase it. The original, non-discounted price of the bike is $675. There is a 5.77% sales tax added to the price of the bike. After you purchase the bike with the discount and sales tax, how much money will you have left over? Round your answer to the nearest dollar.
Answer:
65
Step-by-step explanation:
find discounted price
675*0.25=168.75
675-168.75=506.25
then add tax
506.25*1.0577=535.46(rounded)
600-535.46=64.54
pls help me , i’m desperate
Answer:
2 *9 + 2*3
Step-by-step explanation:
2 * ( 9+3)
Distribute the 2 to each term
2 *9 + 2*3
Answer:
Step-by-step explanation:
a×(b+c)=a×b+a×c
2×(9+3)=2×9+2×3
Please explain (Giving brainliest.)
22÷1/5 (urgent) I need this
Answer:
110
Step-by-step explanation:
easy matth to me
tip:22÷1/5 is 22x5
Answer:
i think its 110
Step-by-step explanation:
i just used a calculator
Solve the following equations algebraically:
5x^2 = 50
Group of answer choices
A. =−50
B. ≈3.16
C. ≈±3.16
D. =±10
HELP!!
You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is 0.214. How confident can you be that your predicted value will be reasonably close to the actual value?
Answer Choices Below!:
Answer:
A
Step-by-step explanation:
What does physical weathering involve?
water
wind
temperature
U
all of the above
please help... no links
What is the quotient of 1.728 x 109 and 4.8 x 106 expressed in scientific notation?
Step-by-step explanation:
[tex] \to 1,728 \times {10}^{9}[/tex]
[tex] = 1,728 \times {10}^{9} [/tex]
[tex] = 1,728 \times 1.000.000.000[/tex]
[tex] = 1.728.000.000 [/tex]
[tex] 1,728 \times {10}^{9} = 1.728.000.000 [/tex]
[tex] \: [/tex]
[tex] \to 4,8 \times {10}^{6}[/tex]
[tex] = 4,8 \times {10}^{6} [/tex]
[tex] = 4,8 \times 1.000.000 [/tex]
[tex] = 4.800.000 [/tex]
[tex] 4,8 \times {10}^{6} = 4.800.000 [/tex]
If I bought 2.5 pounds of grapes that costs 1.48 per pound, and pay with a $10 gift card how much money remains on the card?
Answer:
6.3
Step-by-step explanation:
1.48 * 2.5= 3.7
10-3.7= 6.3
9514 1404 393
Answer:
$6.30
Step-by-step explanation:
The cost of the grapes is ...
(2.5 lb)×($1.48 /lb) = $3.70
After that amount is subtracted from the gift card, the remaining balance is ...
$10.00 -3.70 = $6.30
$6.30 remains on the gift card.
How much does it cost to buy 10 beaded key chains that cost $0.91 apiece?
Answer:
9.10
Step-by-step explanation:
0.91x10=9.10
what is the estimate of 353.388?
stop putting these links to get the answer they're not true! please help me quick Graph the solution to this inequality on the number line. w – 0.7 > -1.1 First select the correct ray. Then select the location of the endpoint to plot the inequality on the number line.
Answer:
w > -0.4
Step-by-step explanation:
Given the inequality expression, w – 0.7 > -1.1:
First, we must isolate the variable, w, by adding 0.7 to both sides of the inequality statement:
w – 0.7 + 0.7 > –1.1 + 0.7
w > -0.4
Therefore, the correct ray is the empty circle with its ray pointing towards the right (Option 4). This implies that -0.4 is not included as an endpoint in the inequality.
Attached is a screenshot of the number line where it shows where the empty circle is located, along with the direction of the arrow.
Two fractions between 2 and 2 1/2
Answer:
2 2/5 and 2 2/100
Step-by-step explanation:
The answers range in many ways! Whatever floats your boat to pick!
Hope this helped! :)
In a box there are 6 orange balls, 4 green balls and "x" blue balls. If the probability of drawing a blue ball is 1/3, what is the probability of drawing two blue balls?
Step-by-step explanation:
I assume it is meant to draw 2 blue balls in a row out of the full pool of balls (no other draws happen before or during this process).
tricky, your teacher.
I think the temptation is to simply say 1/3×1/3 = 1/9.
but is it ?
the probabilty to draw one blue ball out of the complete system (no ball missing) is
x / (6+4+x) = 1/3
x = (6+4+x)/3
3x = 6 + 4 + x = 10 + x
2x = 10
x = 5
so, we have a system of 6 orange, 4 green and 5 blue balls (15 all together) .
the probability at our first pull to draw a blue ball is the indicated 5/15 = 1/3.
but now, for the second ball, we have only 6 orange, 4 green and 4 blue balls in the pool (14 altogether).
and so the probability to draw a blue ball out of this is
4/14 = 2/7.
therefore, the probability to draw 2 blue balls is now the combination
1/3 × 2/7 = 2/21
aha ! so, it is a little bit less than the originally suspected probability of 1/9.
150 is 60% of what number?
Answer:
150 then change 60 0.60 of means ×
Step-by-step explanation:
150÷0.60=??
solve for b : d(c-b)=a
Answer:
[tex]b=-\frac{a}{d}+c[/tex]
Step-by-step explanation:
[tex]d(c-b)=a\\\\\frac{d(c-b)}{d}=\frac{a}{d}\\\\c-b=\frac{a}{d}\\\\c-b-c=\frac{a}{d}-c\\\\-b=\frac{a}{d}-c\\\\\frac{-b}{-1}=\frac{\frac{a}{d} }{-1}-\frac{c}{-1}\\\\b=-\frac{a}{d}+c[/tex]
If an article cost N17 200, and the owner decides to accept N16 500 for the article to settle some financial obligations, by what percentage did the article depreciation
Answer:
the answer is
-obey articles and acts of congress.
-respect citizens of all states.
-states retained sovereignty.
-provide funds and troops.
- central government had few powers.
Step-by-step explanation:
I have no idea if that is right or not.
Please help me please help me help please help me
Step-by-step explanation:
U need to make a graph
than plot the points they give u
than find the rise over run
rise/run = slope
