Answer:
I protect you from ultraviolet radiation from the sun, without me you would essily get more sunburned,skin cancer and catracts who am i?
i have the coldest tempature in the atmosphere,i become cold enough to freeze water vapor in its atmosphere into ice clouds,these ice clouds are blue and white. who am i?
Step-by-step explanation:
On a math test, 4 out of 20 students received an A. Two students are randomly selected without replacement, and the first student has an A. What is the probability of the second student having an A?
Answer:
Step-by-step explanation:
The answer should be 20% chance
Two students selected without replacement, and the first student and second student having is 16/95
Probability-based problem:What information do we have?
Number of total students = 20
Number of students having A = 4
Two students selected without replacement, and the first student has an A = 4/20 × 16/19
Two students selected without replacement, and the first student has an A = 64 / 380
Two students selected without replacement, and the first student has an A = 16 / 95
Probability of the second student having an A = 16/20 × 4/19
Probability of the second student having an A = 64 / 380
Probability of the second student having an A = 16 / 35
Find out more information about 'Probability'.
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Help PLZ I will give 15 points and brainliest!!!
Uhh pls help I got 3 mins left
Answer: im taking a wild geuss of 7.5 and 3.5
Step-by-step explanation:
im just thinking it divides by 2
In Mr. Quad’s PE class, 48 out of 50 students dressed out. Use one of the three forms of ratios to represents the ratio of students who did NOT dress out to the total number of students.
Answer:
2:50
Step-by-step explanation:
simple subtraction and then add the number of kids the other side of the ratio. 50 - 48 = 2 and there was 50 kids in total, so 2:50
Can someone help me with this please? I don't know how to do it, and I need the answer asap ;-; (Image Below)
Answer:
ma'am or sir... there is no picture attached... but whats the question?
Step-by-step explanation:
-7x + 13
HELP I WILL CHOOSE BRAINLIEST TO BEST ANSWER
Answer:
-20x
Step-by-step explanation:
algebra 1 pls ty brainilest if correct
which answer is the correct rate of change for the graph
On a map, 1 centimeter represents a distance of 15 kilometers. How many kilometers are represented by 7 centimeters?
Answer:
7 centimeters × 15 kilometers/centimeter = 105 kilometers
Which relation is a function
Answer:
Look at image posted.
Step-by-step explanation:
The one I circle would be the answer because there should not be 2 points for every x-axis value. The 1st one has 2 points with x=0, the other 2 also have 2 points on the asme x axis value
I need help with number 4... ;-;
Answer:
I picked C because it depends on the temperature that is being presented in the area. In a hotter area, a larger scale wind will be place. In a colder area a local wind would preferably be placed.
Answer:
All wind is caused by the uneven heating of the earth's surface, which sets convection currents in motion, convection currents on a large scale cause global winds: convection currents on a small scale cause local winds.
hope this helps!!:)
Step-by-step explanation:
The United States Postal Service delivers about 2^4x3x5^3 pieces of mail each second. There are 2^8x3^4x5^2 seconds in six days. how many pieces of mail does the United States Postal Service deliver in six days? Write your answer as an expression involving three powers.
Answer:
2^12x3^5x5^5
Step-by-step explanation:
- The problem gives us the pieces of mail delivered per second and the amount of seconds in six days, so to find the pieces of mail delivered in six days we need to multiply pieces per second by seconds in six days.
-The pieces of mail delivered per second is 2^4x3x5^3, and seconds in six days is 2^8x3^4x5^2, therefore we must multiply (2^4x3x5^3)x(2^8x3^4x5^2)
-When multiplying powers with the same base, you need to add the exponent, for example 2^4 has the same base as 2^8, so when multiplying 2^4 and 2^8, we would have a product of 2^12
-Repeat this process with the remaining powers:
-3x3^4=3^5
-5^3x5^2=5^5
-Write the expression with the three powers
2^12x3^5x5^5
lmk if I made any errors, hope this helped :)
A shelf has 4 blue pairs of pants, 2 black pairs of pants, 1 white pair of pants, and 3 tan pairs of pants. You randomly choose a pair of pants from the shelf. What is the probability of choosing a blue pair of pants as a percent? - the answer isn’t 60%.
Answer:
Probability can best be seen as the total number of “successful” outcomes (non blue pants) divided by the total number of possible outcomes (all pants). Normally, you express probability as a fraction (6/10), a ratio (6:10), or a percentage (60%). You could also express the probability as .6, or 6 out of 10.
My thought process: There are 4 pair of blue pants and 6 pair of non-blue pants. When you pick, you have 4 chances (pants) out of 10 chances (pants) of getting blue, and, therefore, 6 chances (pants) out of 10 chances (pants) of getting “not blue”. That is 60%; 6:10; 6/10; .6; or 6 out of 10.
Ahmed reads for x minutes. Kimaya reads for 4/7
of that time.
Write an equation that describes the relationship between the two quantities.
An equation that describes the relationship between the two quantities will be;
⇒ y = 4/7x
Where, x is number of minutes for Ahmed and 'y' is number of minutes for Kimaya.
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
Ahmed reads for x minutes. Kimaya reads for 4/7 of that time.
Now,
Since, Ahmed reads for x minutes.
And, Kimaya reads for 4/7 of that time.
Let 'y' is number of minutes for Kimaya.
So, We get;
⇒ y = 4/7x
Thus, An equation that describes the relationship between the two quantities will be;
⇒ y = 4/7x
Where, x is number of minutes for Ahmed and 'y' is number of minutes for Kimaya.
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Please do ASAP! Its not worth anything so please just do! Points, brainliest, thanks
Answer:
yes
Step-by-step explanation:
0.19 kg baseball moving at +26.80 m/s is slowed to a stop by a catcher who exerts a constant force of -371 N. How long does it take this force to get to the creator the answer is -8
I NEED YOUR HELP!!
The table shows input and output values of a function given a rule. Which function represents the rule?
Input: x, a number; Output: y, 3 less than 2 times x
Input,x -2 -1 0 1 2
Output,y -7 -5 -3 -1 1
A. Y= 2x - 3
B. Y= -2x + 3
C. Y= -3x - 2
D. Y= 3x + 2
The correct function for the given rule will be;
⇒ Y = 2x - 3
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
Input: x, a number
Output: y, 3 less than 2 times x
And,
Input, x -2 -1 0 1 2
Output, y -7 -5 -3 -1 1
Now,
Since, For the function we have;
Input: x, a number
Output: y, 3 less than 2 times x
So, We get;
The function is,
⇒ Y = 2x - 3
And, Here given that;
Input, x -2 -1 0 1 2
Output, y -7 -5 -3 -1 1
Substitute all the values and check it as;
⇒ Y = 2x - 3
Put Y = - 7 , x = - 2
⇒ - 7 = 2 × - 2 - 3
⇒ - 7 = - 4 - 3
⇒ - 7 = - 7
Thus, The value of function is,
⇒ Y = 2x - 3
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An art class is making a mural for the school that has a triangle drawn in the middle. The length of the bottom of the triangle is x. Another side is 1 more than three times the length of thr bottom of the triangle. Write and simplify an expression for the perimeter of the triangle.
Answer:
is that all the info they gave you?
Step-by-step explanation:
The number of tourists at the beach per weekend in July was 55,000. In November, the number of tourists per weekend was 18,000. Find the percent of change from July to November. (Round to the nearest Thousands place)
problem in the picture
Answer:
B)
Step-by-step explanation:
65 x 2.5 = 162.5
70 x 1.5 = 105
162.5+105=267.5
Simplify the expression all the way down.
−5(1+2k)−8(−4+5k)
Question 1 options:
-50k+27
-30k+37
-5-10k+32-40k
32-5-40k
Answer:
-50k+27
Step-by-step explanation:
=(−5)(1)+(−5)(2k)+(−8)(−4)+(−8)(5k)
=−5+−10k+32+−40k
Combine Like Terms:
=−5+−10k+32+−40k
=(−10k+−40k)+(−5+32)
=−50k+27
Can someone help me on this
Answer:
Two (2) terms
Step-by-step explanation:
ALWAYS remember a term is a part of an algebraic expression that is separated by addition.
The expression here is quite simple: [tex]x = y - z[/tex]
But remember what I explained above; therefore, the expression would be written like this: [tex]x= y + (-z)[/tex]
giving you two (2) terms.
Hope this helps!
Please help id appreciate it and please give me full answers. I will report.
Jane is training for a triathlon. After swimming a few laps, she leaves the health club and bikes 16 miles south. She then runs 12 miles west. Her trainer bikes from the health club to meet Jane at the end of her run.
How much farther does Jane travel than her trainer? Answer the questions to find out.
1. What is the total distance Jane travels biking and running? Include units with your answer.
2. Use the Pythagorean theorem to write an equation for the distance Jane's trainer bikes.
3. Solve your equation to find the distance Jane's trainer bikes. Show your work.
4. How much farther does Jane travel than her trainer?
Answer:
Part 1. 28 miles
Part 2. 16^2 + 12^2 = c^2
Part 3. 8 miles. All work is in step by step explanation.
Part 4. 8 miles
Step-by-step explanation:
Part 1. The total distance that Jane travels biking and running is 28 miles. This is because we add 16 and 12 which is her total route.
Part 2. The Pythagorean theorem is a^2 + b^2 = c ^2. In this case, the variable a is Jane's bike route(16 miles), the variable b is Jane's running route(12 miles), and the variable c is the Trainer's biking route as given. If we replace all variables with the values in miles, the equation would be 16^2 + 12^2 = c^2.
Part 3. WORK USED FROM EQUATION
16^2 = 16*16 = 256
12^2 = 12*12 = 144
Now we replace the numbers with the exponents with the solved numbers.
256 + 144 = c^2
256 + 144 = 400
400 = c^2
c = sqrt400
c = 20
Finally, we take the value of c and subtract it from the total distance of Jane's route which is 28 miles(as explained above).
28 - 20 = 8.
Hence, the answer is 8 miles
Graph the description of each line A line has a slope of -3 and a y-intercept of 3.
Answer:
The equation is y = -3 + 3
Step-by-step explanation:
It will go through (0,3) and it wil go up 3 right one.
Answer:
equation: y= -3x+3
Step-by-step explanation:
Subustitute formula y=mx+b for the slope=m and in this case the slope is -3. and the y intercept=b so if u plug in m and b in the formula y=mx+b you get y=-3x+3. next, since the slope, put the -3 over 1 to create a fraction. next, plot the point (0,3) as the y-int. then follow the pattern -3 down right 1. So the points to plot are (0,3), (1,0) (2,-3)
A right triangle has side lengths 7, 24, and 25 as shown below.
Use these lengths to find tan B, sin B, and cos B.
tan B
sinB =
LNB
cosB =
Answer:
Steps below
Step-by-step explanation:
The value depends on which angle is B, suppose ∠B is the opposite angle of side length 7
sin B = 7/25
cos B = 24/25
tan B = 7/24
if ∠B opposite to side length of 24
sin B = 24/25
cos B = 7/25
tan B = 24/7
Ahmed bikes x kilometers. Kimaya bikes 3/10
less than that.
Write an equation that describes the relationship between the two quantities.
The required expression for the given condition is given as y = x - 10.
What is simplification?The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
Here,
Let Kimaya bikes y Kilometers,
Ahmed bikes x kilometers. Kimaya bikes 3/10 less than that.
According to the question,
y = x - 3/10
Thus, the required expression for the given condition is given as y = x - 10.
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Michael deposits $2650 into an account. The interest rate on the account is 6% compounded annually. What is the balance in Michael's account after 2 years? After 3 years?
Answer:
1 year would be 2809
Step-by-step explanation:
Answer:im late but 1 year would be 2809
Step-by-step explanation:
At a school health fair, individual pieces are places in paper bags and distributed to students randomly. There are 20 apples, 15 apricots, 25 bananas, 25 pears and 30 peaches. What is the probability of getting an apple?***Hint: Reduce
A. 19/23
B. 4/23
C. 20/100
D. 1/2
Answer:
B
Step-by-step explanation:
Factor the following expression using the GCF: 42pr – 3p.
3p(14r)
p(42r – 3)
3p(14r – 1)
42p(r – 3)
compare 3.14 *10(3) 2.6* 10(4)
or they greater than less than or equal to
Answer:
The second one is bigger and the first is smaller
Step-by-step explanation:
3.14*10(3) = 94.2 while 2.6*10(4) = 104
The table shows the frequency of each number of a 1-6 number cube when the cube was rolled 100 times.
Based on the data in the table, what is the probability that on the next roll a 3 will be rolled?
Answer:
16.7%
Step-by-step explanation: