Answer:
429hrieod0wo2oe0d0s0woo2o2oe9e
help plz me plz plz plz
Answer:
D
Step-by-step explanation:
Brainly plss it would make my day :))))
Answer:
#2
Step-by-step explanation:
plz help me answer this.
f - 4.1 = 8.6
please help i need ur help please
Answer:
f=12.7
Step-by-step explanation:
Answer:
12.7
Step-by-step explanation:
To find f, we need to "reverse" the operation and do 8.6 + 4.1 which equals 12.7.
Double check: 12.7 - 4.1 = 8.6 which is true. Therefore, 12.7 = f.
Hope this helps! If it did, please give me brainliest! It would help me a lot! Thanks! :D
PLSS HELPPPP!!!
Which expressions represent the total area of the large rectangle? Select all that apply.
Answer:
A, C, and E
Step-by-step explanation:
Find the formula for
B
Answer:
m²
Step-by-step explanation:
Just square m
Answer:
It is m^2
Step-by-step explanation:
Given this matrix equation:
3 X 6 1 [-3 x-17
-Y X Y =
6 -2y
[Ty 2 8 4 6
-2
12
Choose the equation that you can use to solve
for x:
3-6 = -3
X-1 = x - 1
x²_x=6
--Y-y=-2y
Answer:
The correct answer is x²-x=6
Step-by-step explanation:
Answer:
c and -2 and 3
Step-by-step explanation:
Please help i have a zero on this i need to get 100
Answer:
The answer is D :)
Step-by-step explanation:
what percent of 20 is 3
Answer:
Its 15
Step-by-step explanation:
Hope this helps
The required percentage of 20 which is given the number 3 is 15 %.
Use the concept of percentage which is defined as:
A figure or ratio that may be stated as a fraction of 100 is a percentage. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100.
The proportion, therefore, refers to a component per hundred. Per 100 is what the word percent means.
Here we have to determine,
The percentage of 20 gives a value 3.
To find this,
Assume the percentage is x%
Therefore,
x% of 20 = 3
Divide x by 100 to remove the percentage sign.
[tex]\dfrac{x}{100} \times 20 = 3\\\\\dfrac{x}{5} = 3[/tex]
Taking cross multiplication we get,
x = 15.
Hence,
20 is 15 percrent of 3.
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A rectangular prism gift box has dimensions of 2.5 inches and 7 inches in 9 inches how much wrapping paper will it take to cover the gift Boxxx round the answer to the nearest 10th
Dr. Toliver has 6 fossils.
Dr. Cook has 5 times as many fossils as Dr. Maranan.
They have 90 fossils altogether. How many fossils does Dr. Maranan have?
Copyright 2020 Edmentum, Inc. All Rights Reserved
(hp
Answer:
dude 30 fossils are left
Step-by-step explanation:
There are 250 tables total in a cafeteria. There are 150 tables with red tablecloths and 100 tables with white tablecloths. As people walk into the cafeteria they are randomly assigned to a table. What is the probability of the first person through the door of being sat at a table with a red tablecloth? SIMPLIFY
Answer:
60%
Step-by-step explanation:
If there are 250 tables you can multiply it by 4 to work with 1000. This means you have to multiply the other table cloth numbers. 150 x 4 = 600. 100 x 4 = 400. Once you simplify you can get 40 white and 60 red out of 100. 60/100 = 60%.
PLEASE HELP 20 POINTS! Hunter and his children went into a movie theater and will buy bags of popcorn and
drinks. Each bag of popcorn costs $5.50 and each drink costs $6. Hunter has a total
of $80 to spend on bags of popcorn and drinks. Write an inequality that would
represent the possible values for the number of bags of popcorn purchased, b, and the
number of drinks purchased, d. Write in an inequality.
USA Today reports that about 25% of all prison parolees become repeat offenders. Alice is a social worker whose job is to counsel people on parole. Let us say success means a person does not become a repeat offender. Alice has been given a group of four parolees. Find the probability P(r) of r successes ranging from 0 to 4. (Round your answers to three decimal places.)
P(0) =
P(1) =
P(2) =
P(3) =
P(4) =
What is the expected number of parolees in Alice's group who will not be repeat offenders? What is the standard deviation?
Answer:
P(0) = 4C0 * 0.75⁰ * 0.25⁴ = 0.00390625 . = 0.004
P(1) = 4C1 * 0.75¹ * 0.25³ = 0.046875 . . . = 0.047
P(2) = 4C2 * 0.75² * 0.25² = 0.2109375 . . = 0.211
P(3) = 4C3 * 0.75³ * 0.25¹ = 0.421875 . . . = 0.422
P(4) = 4C4 * 0.75⁴ * 0.25⁰ = 0.31640625 . = 0.316
Check:
P(0) + P(1) + P(2) + P(3) + P(4) = 1 . . . ok
Step-by-step explanation:
what is the measurement of abd
Answer:
it is 23. always remember it's supposed to add up to 180. So add up all your numbers and subtract the total from 180 to get your answer
Answer:
113 degrees
Step-by-step explanation:
ABF= 39 degrees
ABE= 51 degrees
ABD= 23 degrees (BE is a right angle, which is 90 degrees, 90-67=23
39+51+23= 113
Hope this helps!
A school principal of 890 students needs to determine what percentage of students passed and did not pass a statewide examination. 300 students passed. Round to the nearest percent.
What percent did not pass the test?
Answer:
Percentage = 66%
Step-by-step explanation:
Let the number of students that pass be P.
Let the number of students that fail be F.
Given the following data;
Total number of students, T = 890 students
P = 300 students
To find the percentage that failed;
First of all, we would determine the number of students that failed using the mathematical expression given below;
Total students, T = P + F
890 = 300 + F
F = 890 - 300
F = 590
[tex] Percentage = \frac {590}{890} * 100 [/tex]
[tex] Percentage = 0.6629 * 100 [/tex]
Percentage = 66.29 ≈ 66%
Therefore, the percentage of students that failed or didn't pass is 66%.
what two numbers multiply to equal -50 but adds up to equal 5
Answer:
10 and -5
Step-by-step explanation:
x + y = 5
xy = -50
y = 5 - x
x(5-x) = -50
5x - x^2 = -50
x^2 - 5x - 50 = 0
from there on we can solve the classic way
[tex]\Delta = (-5)^2 - 4\cdot1\cdot(-50) = 25 + 200 = 225\\\sqrt{\Delta} = 15\\x_1 = \frac{5 - 15}{2} = -5\\x_2 = \frac{5+15}{2} = 10\\y_1 = 5 - x_1 = 10\\y_2 = 5 - x_2 = -5[/tex]
Everything checks out.
Answer:
-5 × 10 = -50
-5 + 10 = 5
brainliest
0.08 times what equals $1.20
Answer:
15
Step-by-step explanation:
1.20 divided by 0.08 is 15
0.08 x 15= 1.20
Reconsider Dr. Sameer's research question about how much time Cal Poly students spend on watching television. Suppose that for the random sample of 100 Cal Poly students the mean number of hours per day spent watching TV turns out to be 3.01 hours, and the standard deviation of the number of hours per day spent watching TV turns out to be 1.97 hours.
a. Is the number 1.97 a parameter or a statistic? Assign an appropriate symbol to this number.
b. Find the standardized statistic to investigate whether the data provide evidence that the average number of hours per day Cal Poly students spend watching TV is different from 2.75 hours.
c. What is your conclusion about the hypotheses, based on the calculated value of the standardized statistic? How are you deciding?
Answer:
a. 1.97 is a statistic
b. t test is = 1.32
p value = 0.186
c. there is not enough evidence to support our claim
Step-by-step explanation:
a. 1.97 is not a parameter it is a statistic. It is the standard deviation of the sample. we represent this with the symbol s.
b. we are claiming that the mean hours that are spent watching television is different from 2.75
we form our hypothesis as:
h0; u = 2.75
h1: u not equal to 2.7
t stat = barx - u/s/√n
= 3.01-2.75/(1.97/√100)
= 0.26/(1.97/10)
= 0.26/0.197
= 1.32
we get p value
n = 100
df = 100-1 = 99
using t distribution, pvalue = 0.1899
c. the p value is higher than our alpha level here
0.189 > 0.05, so we fail to reject H0. our conclusion is that there is not enough evidence to show that μ is different from 2.75
HELP PLEASE! ILL MARK BRAINLIEST!
A rental car company charges $53.75 per day to rent a car and $0.07 for every mile driven. Alexander wants to rent a car, knowing that: He plans to drive 425 miles. He has at most $320 to spend. Write and solve an inequality which can be used to determine dthe number of days Alexander can afford to rent while staying within his budget .
Answer:
5 days
Step-by-step explanation:
425x0.07=29.75
320-29.75=290.25
290.25÷53.75=5.4
Answer:
Inequality: 53.75d + 29.75 ≤ 320
Answer: d ≤ 5.4
Step-by-step explanation:
2(6x+3) hurry please thanks
Answer:
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Step-by-step explanation:
btw the answer is
(12x+6)
A rectangular living room has a perimeter of 40 meters. Its area is 100 square meters. What are the dimensions of the living room?
In response to the question, we may say that So the dimensions of the rectangular living room are 10 meters by 10 meters.
What is rectangle?In Euclidean geometry, a rectangle is a parallelogram with four small angles. It may also be defined as a fundamental rule hexagon or one in which all of the angles are equal. Another alternative for the parallelogram is a straight angle. Four of the vertices of a square are the same length. A quadrilateral with four 90° angle vertices and equal parallel sides has a rectangle-shaped cross section. As a result, it is also known as a "equirectangular rectangle." A rectangle is sometimes referred to as a parallelogram due to the equal and parallel dimensions of its two sides.
Let's denote the length of the rectangular living room as "L" and the width as "W".
Perimeter = 2L + 2W = 40
L + W = 20
We also know that the area of the living room is 100 square meters.
Area = L x W = 100
L + W = 20 (equation 1)
L x W = 100 (equation 2)
We can solve for one of the variables in terms of the other in equation 1:
[tex]L = 20 - W\\(20 - W) x W = 100\\20W - W^2 = 100\\W^2 - 20W + 100 = 0\\where a = 1, b = -20, and c = 100.\\W = (-(-20) + \sqrt((-20)^2 - 4 x 1 x 100)) / 2 x 1\\W = (20 + \sqrt(400 - 400)) / 2\\W = 10\\L + 10 = 20\\L = 10\\[/tex]
So the dimensions of the rectangular living room are 10 meters by 10 meters.
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FIRST TO ANSWER RECIEVES BRAINLIEST
In the figure below, the radius of circle O is 3 centimeters.
What is the length of the arc bounded by central angle POQ?
cm
7 cm
оооо
EIN 50
За cm
3л
cm
2
Answer:
C)
Step-by-step explanation:
As it is 60 degree, and the whole circle is 360 degree, so we need to find 1/6 of the circumference of a circle, as C = 2*pi*r = 2*pi*3 = 6pi and 1/6 of it is pi.
Graph x > -5 on a number line.
Answer:
yes
Step-by-step explanation:
that is correct unless your asking something else?
Which three lengths can NOT be the lengths of the sides of a triangle?
A.23 m, 17 m, 14 m
B. 5m, 7m, 8m
C. 21m, 6m, 10m
D.11 m, 11 m, 12 m
Answer:
C. 21m, 6cm, 10m
Step-by-step explanation:
Find five solutions for the linear equations 2x + y =5
Answer:
Step-by-step explanation:
x = 2, y = 1
x = 1, y = 3
x = 0, y = 5
x = -1, y = 7
x = -2, y = 9
Hope that helps!
-Sabrina
What is the number of b? 50b = 7,300
Answer: 146
Step-by-step explanation: Divide 7300 by 50
Answer:
b = 1460
Step-by-step explanation:
50b = 7,300
the steps are easy and simple- Divide 50 on each side
50b/50 = 7300/50
this will isolate b and give it's answer
b = 1460
write a fraction with a denominator of 9. The fraction should be less than half
Answer:
The only fraction i can think of is 2/9
Step-by-step explanation:
Quadrilateral A'B'C'D'is the image of quadrilateral ABCD under a rotation of about point Q.
Determine the angle of rotation
a. -90
b. -60
c. 60
d. 90
9514 1404 393
Answer:
a. -90°
Step-by-step explanation:
Point A is straight west of Q.
Point A' is straight north of Q. This represents a rotation of 90° clockwise, or -90°. (Positive angles are counterclockwise.)
Aaron has 8 cups of flour. He needscups of flour to make 1 cupcake. How many cupcakes can he make?
Answer:
5 / (1/8) = 5 * (8/1) = 40
Step-by-step explanation:
What is the equation of the line that passes through the points (8,5) and (-6,5)
Answer:
[tex] \frac{y - 5}{x - 8} = \frac{5 - 5}{8 - ( - 6)} \\ (y - 5)(14) =0 \\ 14y - 70 = 0 \\ [/tex]
Is it?