Answer:
4/21
Step-by-step explanation:
since we are only talking about the first day, there are still 21 options for your teachers. there are 4 spots that you can fill, so the probability that you will be picked is 4/21
The probability you will be chosen to go on the first day would be; 4/21
What is the probability?Probability refers to a possibility that deals with the occurrence of random events.
The probability of all the events occurring need to be 1.
The formula of probability is defined as the ratio of a number of favorable outcomes to the total number of outcomes.
We are given that there are 21 students in your class. The teacher wants to send 4 students to the library each day.
Since we are only talking about the first day, there are still 21 options for your teachers.
As we can see that there are 4 spots that you can fill, so the probability that you will be picked is;
4/21
Learn more about probability here;
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If a number is increased by 4, its square is increased by 64. Find the number
Answer:
12
Step-by-step explanation:
12 - 4 = 8
The square of 8 is 64
Answer:
6
Step-by-step explanation:
(n + 4)^2 = n^2 + 64
n^2 + 8n + 16 = n^2 + 64
8n = 48
n = 6
Write the third missing congruent statement that will allow us to prove the triangles congruent by SAS.
Answer:
LOOK AT YOUR ANSWER IN PICTURE
It takes Carol 30 minutes to drive to work using two roads. She drives 24 mph on a small road for hour. Then she drives 56 mph on a highway for hour. How far does Carol travel to work?
Complete question :
It takes Carol 30 minutes to drive to work using two roads. She drives 24 mph on a small road 1/2 for hour. Then she drives 56 mph on a highway for 1/4 hour. How far does Carol travel to work?
Answer:
26 miles
Step-by-step explanation:
The distance traveled is given by :
Distance = speed * time
Distance covered on small road :
24 mph * 1/2 hours = 12 miles
Distance covered in highway :
56 mph * 1/4 hours = 14 miles
Total miles traveled = 12 + 14 = 26 miles
Parallel lines and tranvsveral
Answer:
angle 6=54*
Step-by-step explanation:
Transversal lines/alternate angles theorem
A picture is 5 inches wide and 8 inches tall:
A rectangle is shown. The length of the rectangle is labeled 5 inches. The width of the rectangle is labeled 8 inches.
A photographer wants to use a scale factor of 2.5 to enlarge a picture. What will the area of the picture be after it is enlarged?
Answer:
area = 250 in²
Step-by-step explanation:
5 x 2.5 = 12.5 in
8 x 2.5 = 20 in
area = 20 x 12.5 = 250 in²
Solve for the measure of c. Round decimals to the nearest tenth.
A. 3.7
B. 7
C. 8.8
D. 4.7
What is the value of X?
A. 6
B. 6√3
C. 12
D. 12√3
Answer:
B
Step-by-step explanation:
sin60°=x/12
⇒x= 6√3
A number is 9 more than another number. Twice the sum of the two numbers is 10. Find the two numbers.
Step-by-step explanation:
the formula can be;
X+9x=10
10x=10X=10/10=1
X=1+9(1)=1+9=10 Answer
Mrs. Jones rented a truck. Easy math problem. Only answer if you know how to do it. Help needed ASAP
Answer:
80%
Step-by-step explanation:
150/100*20=$30
150-30=120
120/150=0.8=80%
Sam borrows from the bank $12,000 to buy a car paying in simple interest $ 2,844 per year. Sam paid the loan in 3 years, what is the annual interest rate on the loan?
Answer:
3,468
Step-by-step explanation:
i multiplied 2,844 by 3 and got 8,532 i then subtracted that from 12,000 and got 3,468
Help plz ASAP nowwwwwwww
Answer:
y = -3/4x + 5/4
Step-by-step explanation:
Points: (7, -4) and ( -1, 2)
Slope:
m=(y2-y1)/(x2-x1)
m=(2+4)/(-1-7)
m=6/(-8)
m= -3/4
Slope-intercept:
y - y1 = m(x - x1)
y + 4 = -3/4(x - 7)
y + 4 = -3/4x + 21/4
y = -3/4x + 5/4
Answer:
y = -3/4x + 5/4
Step-by-step explanation:
Hope this helps
Please help! 18/20. Will give brainliest! Spam answers will not be tolerated!
Factor. [tex]2x^5-7x^3-4x[/tex]
[tex]{ \sf{ \: factorise \: \: \: { \underline{ \green{2 {x}^{5} - 7 {x}^{3} - 4x}}}}} \\ \\ { \dashrightarrow{ \blue{ \sf{taking \: x \: common}}}}[/tex]
[tex]{ \leadsto{ \sf{ \green{ \:x(2 {x}^{4} - 7 {x}^{2} - 4)}}}} \\ \\ { \dashrightarrow{ \sf{ \blue{let \: {x}^{2} be \: equal \: to \: a}}}} \\ \\ { \leadsto{ \sf{ \green{ \: x( 2{a}^{2} - 7a - 4)}}}}[/tex]
[tex]{ \leadsto{ \sf{ \green{x(2 {a}^{2} - (8a \: - a) - 4}}}} \\ \\ { \leadsto{ \sf{ \green{x(2 {a}^{2} - 8a + a - 4)}}}} \\ \\ { \leadsto{ \sf{ \green{x(2a(a - 4) + 1(a - 4))}}}}[/tex]
[tex]{ \leadsto{ \sf{ \green{x(2a + 1)(a - 4)}}}} \\ \\ { \sf{ \: now \: putting \: the \: value \: of \: a}}[/tex]
[tex]{ \leadsto{ \green{ \sf{x(2 {x}^{2} + 1)( {x}^{2} - 4)}}}} \\ \\ { \leadsto{ \green{ \sf{ x( {x}^{2} + 1)( {x}^{2} - {2}^{2} )}}}} \\ \\ { \leadsto{ \green{ \sf{x( {x}^{2} + 1)(x + 2)(x - 2)}}}}[/tex]
find the value of given expression
=》
[tex]32 + 32 \div 32[/tex]
Answer:
32+32÷32=32+1=33 is your answer
Which fraction is equivalent to
-(7/8)?
Answer:
35/40
I think that’s what you mean? Hope this helped
Step-by-step explanation:
pls help! will mark brainliest if correct
Answer:
[tex]x = -2, y = 6[/tex]
Step-by-step explanation:
[tex]-x + 4 = -4x-2[/tex]
[tex]x = -2[/tex]
Plug back into either one of the equations to get y = 6
Reagan grew 30 plants with 6 seed packets. With 7 seed packets, how many total plants can
Reagan have in her backyard? Assume the relationship is directly proportional.
plants
Submit
Answer:
35
Step-by-step explanation:
6 x 5 = 30
We can assume each seed packet has 5 seeds
6 x 7 = 35
Please help me with this
Answer:
i cant see it...
Step-by-step explanation:
...
Simplify The following Expression:
45 + (x - 12)
Answer:
The answer is x + 33
Step-by-step explanation:
1) Remove parentheses.
[tex]45 + x - 12[/tex]
2) Collect like terms.
[tex]x + (45 - 12)[/tex]
3) Simplify.
[tex]x + 33[/tex]
Therefor, the answer is x + 33.
Answer:
x+33 is your answer
Step-by-step explanation:
45 + (x - 12)
45+x-12
x+45-12
x+33
Jamie's company prepares a gift bag for each seat at an awards ceremony. The theater has 30 sections, each with 70 seats. Gift bags for 5 sections will have concert tickets. The rest of the gift bags will have coupons. How many gift bags will have coupons?
Answer:
Step-by-step explanation:
30(total num of sections)-5(amount of sections with concert ticket)=25
25x70(seats per section)=1750
1750 will get coupons
(you dont need the bits in brackets tehy are there to just explain so you know whay and why im doind a calculation)
Hence, the bags will get coupons are [tex]1750[/tex].
What is the simplification?
Simplification is reducing the expression/fraction/problem in a simpler form. It makes the problem easy with calculations and solving.
Here given that,
Jamie's company prepares a gift bag for each seat at an awards ceremony. The theater has [tex]30[/tex] sections, each with [tex]70[/tex] seats. Gift bags for [tex]5[/tex] sections will have concert tickets. The rest of the gift bags will have coupons.
Total number of sections are [tex]30[/tex]
Amount of sections with concert tickets are [tex]5[/tex]
So,the gift bags will have coupons is
[tex]30-5=25[/tex]
As each sections has [tex]70[/tex] seats so,
[tex]25[/tex] x [tex]70[/tex] [tex]=1750[/tex]
Hence, the bags will get coupons are [tex]1750[/tex].
To know more about the simplification
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After tax and tip,the bill totaled $63.00. What was each persons share? Show your work
Multiply. Reduce if possible, if you can simplify, what is the GCF you used ? what is 3/7 x 2/4
Answer:
3/14
Step-by-step explanation:
describe what congruent figures and similar figures have in common
Answer:
Congruent figures have the same measurements in angles (degrees) and sides (units).
Similar figures are figures that have the same general shape and don't necessarily have to have the same size or measurements.
Something they have in common are corresponding angles and corresponding sides.
A cat can eat 1/2 of a bag of food in 3/4 of a month. How much food can the cat eat in 1 month
Answer:
the cat can eat 1 1/4 bag of cat food n 1 month
Step-by-step explanation:
brainliest plz
There are 4 consecutive even integers that add up to 268. Which integers are they?
Answer:
4n+ 12 = -268, or 4n = -280, or n = -70. This would imply that the four consecutive ODD integers are -70, -68, -66, -64.
Step-by-step explanation:
Hope this helps :)
need help so bad pleasss
Answer:
y=2/3x-6
Step-by-step explanation:
i hope this helps :)
I hope someone knows.
Answer:
x = 9
Step-by-step explanation:
This is a 45-45-90 right triangle so the sides are in the ratio x: x: [tex]x\sqrt{2}[/tex]
Tina realizes that she needs to figure out the answer to the question, "How many groups of 1/12 are in 2?"
Answer:
24
Step-by-step explanation:
To find how many 1/12 are in 2 divide 2 by 1/12
2/(1/12) = 2 x 12 = 24
Find all the missing sides and angles (picture attached)
Answer:
[tex]\boxed{x=73.74}[/tex]
[tex]\boxed{y=16.26}[/tex]
[tex]\boxed{z=25}[/tex]
Step-by-step explanation:
Hello there!
Algebra 1
The first thing we should find is the missing angle
Because this is a right triangle we can solve it using the Pythagorean Theorem
The Pythagorean theorem states that the sum of the two legs squared equal the hypotenuse squared
the formula... [tex]a^2+b^2=c^2[/tex] where a and b = legs and c = hypotenuse
we are given two legs so we plug in a and b and solve for c
[tex]7^2+24^2=c^2\\7^2=49\\24^2=576\\576+49=625\\625=c^2\\\sqrt{c^2} =c\\\sqrt{625} =25\\c=25[/tex]
so we can conclude that the missing side length ( or z) equals 25
now to solve for the angles
Trigonometry
We can solve for y using sin
sin = opposite side divided by the hypotenuse
the opposite of y is 7 and the hypotenuse is 25
so we set up an equation [tex]sin(y)=\frac{7}{25}[/tex]
now we solve for y
[tex]\frac{7}{28} =.28\\arcsin(y)=y\\arcsin(.28)=16.26020471[/tex]
then we round to the nearest hundredth
so we can conclude that angle labeled y = 16.26
basic geometry
Remember all of the angles in a triangle add up to equal 180 so we can find x by subtract the known angles from 180
180 - 90 - 16.26 = 73.74 so we can conclude that x = 73.74
Brian ate 2/3 of a pizza. His friend, Joseph ate 1/4 of what was left. How much pizza did joseph eat?
Answer:
[tex]\frac{1}{12}[/tex]
Step-by-step explanation:
[tex]\frac{2}{3}[/tex] = [tex]\frac{8}{12}[/tex]
[tex]\frac{12}{12}[/tex] - [tex]\frac{8}{12}[/tex] = [tex]\frac{4}{12}[/tex]
[tex]\frac{4}{12}[/tex] * [tex]\frac{1}{4}[/tex] = [tex]\frac{4}{48}[/tex] = [tex]\frac{1}{12}[/tex]
Martin needs to ship a box that weighs 12,000 grams. How should be move the decimal point to convert this number
to kilograms?
O 3 places to the left
O 3 places to the right
O 2 places to the left
O 2 places to the right