Mathematics Middle School
Answers
Answer 1
Answer:
The answer is A 5(5x-2y)
Step-by-step explanation:
5(5x-2y)= 25x-10y
5x5=25 2x5=10
Answer 2
Answer:
A
Step-by-step explanation:
Group them together, also known as distributive property.
5(5x) - 5(2y) =
25x - 10y
Hope this helps! :)
Related Questions
Find x. (Finding an angle measure given extended triangles) Please help
Answers
50+79=129
180-129=51
X=51
Explanations
Angles on a straight line add up to 180 degrees. So 180-101=79 degrees
50 degrees is an opposite angle so it moves into the internal angle.
Angles in a triangle add up to 180 so (180-50-79=51)
Ans is 51 I think
The answer is x=51.
We know this by first looking at the exterior angle measure 101 degrees. It has a linear pair so it’s adjacent angle measure is 79 degrees. This means that since the interior angle and exterior angle(79 degrees) share a vertex so they have congruent angle measures
This means the first missing interior angle is 79 degrees
Next the other exterior angle measures 50 degrees and like I said before, it shares a vertex with the other interior angle making the second missing angle 50 degrees
This leads to the final step, adding the angle measures together then subtracting them from 180 degrees.
So 79+50+x=180
79+50 is 129,
Then we subtract 129 from 180 to find x
And your answer is 51 :)
(I hope I explained it clear enough!)
Please answer this question
Answers
Answer:
-2 degrees Celsius
Step-by-step explanation:
Graph at 3 degrees Celsius as your starting point, then go down by 5 degrees Celsius on the number line.
3 - 5 = -2
-2 should be the Temperature at late in the afternoon.
The answer would be -2 be cause 3-5 = -2
can yall help me???......./
Answers
Answer:
25 + 25 + 25
25 • 3
Step-by-step explanation:
I did this iready and got it right :)
It’s the second one
25+25+25
PLEASE HELP! Will give brainliest! No jokes or links please.
Peter, Dan, Harold, and Randy each have a nickel. All four of them flip their nickels at the same time.
What is the probability that Dan and Randy will each flip the same thing. (Either they will both flip ‘heads’ or they will both flip ‘tails’.)
Answers
Answer:
probability: 50%
Step-by-step explanation:
either they will both flip it, or they wont (its 50 percent)
It is 50 percent possible
; hi! sorry for asking another question and not helping! :(
Answers
these answers should be easy to look up
It is ok to ask questions in fact I ask them a lot
help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Answers
The answer is 20 because if you put the t in the exponent you have to multiply 2(2) and you get 4 and 5(4) is 20.
The math club needs to raise more than $552.50 for a trip to the state competition. The club has raised 12% of the funds. Which inequality shows how much each of the 7 club members needs to raise if each raises the same amount?
Answers
Answer:
m> $69.46
Step-by-step explanation:
The math club raised 12%, and we know that 12% as a decimal is 0.12 (12/100=0.12).
We must find 12% of 552.50.
0.12 x 552.5=66.3
66.3 was raised.
552.5-66.3= 486.2
There are 7 members, so divide by 7.
486.2 / 7= 69.457 → 69.46
∴Each member must raised at least $69.46
PLS HELP, WILL REWARD BRAINLIEST ASAP !!!
Answers
Answer:
the median lap or both runners
I’ll say The median
Find the total value of the investment after the time given
Answers
Answer:mm
13)30187.802
14)1837.565
15)1446.336
16)74008
17)33297.293
18)34972.978
19)13817.6
20)155.589
Step-by-step explanation:
13)18000*1.09to the power of 6
14)1500*1.07³
15)1240*1.08²
16)55000*1.16²
17)28600*1.079²
18)21000*1.136to the power of 4
19)12700*1.088
20)130*1.094²
10. Between which two consecutive integers does √31 lie?
Answers
Answer:
5<square root of 31<6
Step-by-step explanation:
Square root of 31 equals 5.57 so the answer would be between 5 and 6.
If a student likes hotdogs, what is the probability that student also likes burgers?
93.8%
50.7%
42.1%
39.5%
Answers
Answer:
42.1%
Step-by-step explanation: helped by the flower dude
Answer:
I will say b
Step-by-step explanation:
Why I think it is b is because people half a 50 50 chance
brainliest please I beg I just need 1 more please till I rank up then I’ll do anything for you please I beg of you
If 90 females and 120 males out of 504 total students get to school by car, what is the relative frequency of females who get to school by car in relation to the total students at the school?
Answers
Answer:
0.1786 = 17.86%
Step-by-step explanation:
120 + 90 = 210/504 journey by car
Relative frequency of 90/ 504
= 90/504 =0.178571429
0.1786 = 17.86%
The requried relative frequency of females who get to school by car in relation to the total students at the school is approximately 0.1786 or 17.86%.
What is the relative frequency?
Relative frequency is a measure that indicates the proportion or percentage of times an event occurs in relation to the total number of events. It is calculated by dividing the frequency of an event by the total number of events. The result is a decimal or a percentage.
Here,
The total number of students who get to school by car is 90 + 120 = 210.
The relative frequency of females who get to school by car is the number of females who get to school by car divided by the total number of students at the school, which is 504:
90/504 = 0.1786
Therefore, the relative frequency of females who get to school by car in relation to the total number of students at the school is approximately 0.1786 or 17.86%.
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can someone pls i will give brainliest :)
Answers
Answer:
149 degrees
Step-by-step explanation:
Higher value:
114
Lower value:
-35
Finding the difference:
114 - (-35)
114 + 35
149
Yea the answer is 149 degrees
What does a closed circle on a number line mean?
Answers
Answer:
Step-by-step explanation:A closed circle indicates "greater than or equal to" or "less than or equal to," while and open circle indicates "greater than" or "less than".
Answer: They are numbers that are less than or equal to and greater than or equal to.
Step-by-step explanation: I hope this helps!
Can someone help me with this? (Functions)
Answers
Answer:
can u show me questions
Step-by-step explanation:
i m not seeing the questions
NOOOOOOOO LINNNKKKKSSSSSSSS!!!!!!
47-(2x4) Nooooo Liinnkkkkkksssssssssss
Heeellllpppppp
Answers
39 ………………………………………………………………
Answer:
47-(2×4)= 47-8 = 39 the right answer
i’ll mark as brainliest if correct!
Answers
Answer:
x+x+x+x and x^4
Step-by-step explanation:
The sum of a number and ten is eighteen. What is the number?
Which statements are true? Check all that apply.
The words “a number” are represented by the variable, n, as the unknown value.
The unknown number and 10 together make 18.
9 + 9 = 18
8 + 10 = 18
n = 8
Answers
Answer:
9 + 9 = 18, 8 + 10 = 18, n = 8 are all correct, but if you want the value of n its 8.
Step-by-step explanation:
8 + 10 = 18
Hope this helps! Please leave any questions or concerns in the comments byeee <3
The solution is, 9 + 9 = 18, 8 + 10 = 18, n = 8 are all correct,
but if you want the value of n its 8.
What is addition?
Addition is a way of combining things and counting them together as one large group. ... Addition in math is a process of combining two or more numbers.
here, we have,
The sum of a number and ten is eighteen,
i.e. if the number is n , then,
we get,
sum of n & 10
i.e. n+ 10
ATQ, sum of a number and ten is eighteen
so, n+ 10 = 18
i.e. n = 8
so, we get,
n= 8
this gives ,
8 + 10 = 18
Hence, The solution is, 9 + 9 = 18, 8 + 10 = 18, n = 8 are all correct,
but if you want the value of n its 8.
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During a three-month period, four trees in the Perillo's backyard grew in height. The rates at which the trees grew are listed below.
Answers
Answer:
D
Step-by-step explanation:
The answer would be D
What is the scale factor of this dilation?
A.) One-half
B.) Two-thirds
C.) Three-fourths
D.) Three-halves
Answers
Answer: C) Three-fourths
I.e., the fraction 3/4
======================================================
Explanation:
Let's pick on the horizontal sides. Divide the image length Y'Z' = 9 over the corresponding preimage length YZ = 12 to get
(Y'Z')/(YZ) = 9/12 = 3/4 which is the scale factor
The scale factor is less than 1, meaning the image's lengths are shorter compared to the preimage's corresponding lengths.
-----------------
Alternative Paths:
You can pick any other pair of corresponding sides to get the same result:
(X'Y')/(XY) = (7.5)/(10) = 75/100 = 3/4(Z'X')/(ZX) = 6/8 = 3/4
Answer:
[tex]scale ~factor= Z'Y'/ZY[/tex]
[tex]=9/12[/tex]
[tex]=3/4=0.75[/tex]
[tex]So ~your~ answer ~will~ be ,~C.) Three-fourths[/tex]
-------------------------------
hope it helps...
have a great day
Lynn's laptop computer is sitting on top of her desk and is creating an angle. What is a good estimate for the measurement of this angle?
A. 110°
B. 95°
C. 80°
D. 70°
Answers
B : 95! I’m pretty sure cause 90 is a straight angle and that’s near a computers angle is you look at it from the side .
Answer: The most reasonable answer would be B because the Laptop would be facing towards her.
Step-by-step explanation: It couldn't be A because it would be leaning too far, It couldn't be C because the Computer would be facing too low, and it couldn't be D because that would be too low also.
According to the line plot, how much more is the total weight of the 1/2 of a pound dog toys than the weight of the 5/8 of a pound dog toys?
Answers
You didn’t attach the line plot but I’ll do my best.
1 pound = 16 ounces
It says of a pound dog toys, meaning that we will have to do multiplication:
1/2 * 1 pound
= 1/2 * 16 ounces
= 8 ounces
5/8 * 16 ounces
= 10
Next, find the difference:
10 - 8 = 2
The total weight of 5/8 of a pound of dog toys is 2 ounces greater than 1/2 of a pound of dog toys.
Also, the last bit of the question is worded incorrectly. 5/8 > 1/2 right off the bat. I’m not sure who designed the question but I think you should let them know since it would likely confuse individuals who encounter this question. Hope this helps!
Answer: You didn’t attach the line plot but I’ll do my best.
1 pound = 16 ounces
It says of a pound dog toys, meaning that we will have to do multiplication:
1/2 * 1 pound
= 1/2 * 16 ounces
= 8 ounces
5/8 * 16 ounces
= 10
Next, find the difference:
10 - 8 = 2
The total weight of 5/8 of a pound of dog toys is 2 ounces greater than 1/2 of a pound of dog toys.
Step-by-step explanation:
Easy question!(exponents) Plz help!
Answers
x=-2/5
Steps:
6^x/3 +2 = 6^-14x/3
x/3+2 = -14x/3.
x +6 = -14x (multiply both sides by 3)
x = -14x - 6 (Substract 6 from both sides)
x + 14x = -6 (add 14x to both sides)
15x = -6 (collect like terms)
x = -2/5 (divide both sides by 15)
The temperature of a cup of coffee changes -0.8 degrees for every minute it sits on the counter. If the overall temperature change of the coffee is -4.8 degrees, how many minutes has it been sitting on the counter?
Answers
Answer: 6
Step-by-step explanation: Divide the -4.8 / -0.8 to find the answer.
The answer is 6 because when you divide -4.8 by -0.8 it’s 6
Your teacher decides to determine groups in your class by pulling names out of a hat and not replacing them. What type of even is this?
Answers
Answer:
Social Loafing
Step-by-step explanation:
In social psychology, social loafing is the phenomenon of a person exerting less effort to achieve a goal when they work in a group than when working alone. It is seen as one of the main reasons groups are sometimes less productive than the combined performance of their members working as individuals.
The event is an example of a combination.
What is a combination?
It is an arrangement of a set of numbers from a total set where the order of the set is not relevant.
We have,
This event is an example of a non-replacement or non-independent event.
In probability theory, an event is said to be non-replacement or non-independent if the outcome of a previous event affects the outcome of the current event.
In this case,
Once a name is pulled out of the hat, it is not replaced, meaning that the probability of pulling out a certain name changes with each draw.
For example, if a name is pulled out of the hat, the probability of pulling out that same name again decreases because it is no longer in the hat.
Therefore,
This event is non-replacement or non-independent.
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27. Starting with x=1.666666, express x as a fraction in simplest form.
Answers
The answer:
X=5/3
Explanation:
.6666 is 2/3 + the 1 which is 3/3 so it’s 5/3
pls help me i'll give the brainlist or whatever it is to the first correct answer. pls NO LINKS.
Answers
Answer:
628 hope it helps
Step-by-step explanation:
628 hope it right
ite
Beatrice makes a jar of dry soup mix. The ingredients are: 1 ¾ cups of uncooked rice
½ cup of dry lentils
1 ⅔ cup of uncooked pasta
⅓ cup beef bouillon
¼ cup of dried onion flakes
½ cup dried peas
How much soup mix does this recipe make?
Answer the questions to find out.
The sum 7/4 + 1/2 + 5/3 + 1/3 + 1/4 + 1/2 gives the amount of mix.
3. Use these properties to rewrite 7/4 + 1/2 + 5/3 + 1/3 + 1/4 + 1/2 in a way that makes the addition easier. Explain how your changes simplify the addition.
4) Simplify your sum to find the total amount of soup mix. Show your work.
(this is a repost because people put random answers)
Answers
Answer:
1: 5
3: 2.25 + 2.75
not sure about 4 hope this helps
Step-by-step explanation:
so who said i was not good at math???? me i did lol
Answers
Answer:
I got 10 grade on my 7th iready test
Step-by-step explanation:
Just try your best ;-;
Answer:
-4 5/12
Step-by-step explanation:
Many games involve chance and they usually involved either dice or cards. For this activity, we will look at a common game called 7‐11 where two dice are rolled. If the roll adds up to 7 or 11, the player wins. If the roll adds up to 2, 3, or 12, the player loses. If there is any other sum, it is a draw (no winner or loser). Use this two‐dice roll scenario to complete the problems below.
1. Create a list of all the possible outcomes and their sum.
2. What is the probability for each of the sums below?
3. What is the total chance of winning?
4. What is the total chance of losing?
Answers
Answer:
Win: 3+4=7, 6+1=7, 2+5=7, 5+6=11
Loses: 1+1=2, 2+1=3, 6+6=12
Draw: 1+3=4, 2+2=4, 3+2=5, 4+1=5, 3+3=6, 1+5=6, 4+2=6, 3+5=8, 4+4=8, 6+2=8,
3+6=9, 4+5=9, 4+6=10, 5+1=6, 5+2=7, 5+5=10
Just put it into a tree diagram and its good to go
Step-by-step explanation:
