To work out 20 + 5(3) you would multiply 5 and 3 first and then add the 20 to get a value of 35. Can you start at 35 and reverse those two steps to get back to 3? Explain the two steps you would take to do that.
Answer:
35-25= 15/5= 3
Step-by-step explanation:
First you subtract 25 from 35 then you divide 15 by 3.
Answer:
20+ 5x 3
20+15
35
reverse
35-20=15
15/ 5=3
Step-by-step explanation:
the opposite of additon is subtraction
the opposite of multiplication is division
hope this helps if not i am so sorry
Mika bought 1 vintage movie poster, 1 rock poster, and 2 rap posters. She had a coupon for half off her entire purchase.
Part 1: Select the numerical expression that shows how much Mika paid for the posters.
A) [28.50 + 29.75 + 2(19.50)] ÷ 2
B) 28.50 + 29.75 + 19.50 + 19.50 ÷ 2
C) [28.50 + 29.75 + 19.50 + 19.50] ÷ 1/2
D) [28.50 + 29.75 + 2(19.50)] ÷ 1/2
What are four solutions to the inequality r/3 ≥ -4?
Answer:
-11, -10, 0, 1
Step-by-step explanation:
Simplify:
r/3 ≥ -4
r ≥ -12
Viable Solutions include any positive number or any negative number equal to or above -12 (-11, -10, -9, etc.)
Answer:
Anything greater than -12.
Step-by-step explanation:
r/3≥-4
r/3 ×3≥-4
r≥-12
-11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0 or any positve number
A bag with 10 marbles has 2 yellow marbles, 4 red marbles, and 4 blue marbles. A marble is chosen from the bag at random. What is the probability that it is not yellow?
Write your answer as a fraction in simplest form.
Answer:
1/5!
Step-by-step explanation:
Answer:
4/5
Step-by-step explanation:
4 + 4 = 8
8/10 = 4/5
Hope this helps!
(Can you give me brainliest?)
Can you tell me the difference between qualitative and quantitative observations?
Answer: hi I’m new I can’t help just yet
Step-by-step explanation:
Answer:
It's in the name. Qualitative observations is basically focused on the different methods or steps. It is focused on finding the difference between the different methods, that is the observation. Quantitative is focused on the date (in numbers) Basically, quantitative is focused on the quantity. The number of times the method is performed, or the data numbers which you put into a table.
A textbook company sells teacher editions
and student editions in package deals.
Each package includes 3 teacher editions
for every 65 student editions. Which
combination could a school order?
A.
9 teacher to 260 student editions
B. 12 teacher to 325 student editions
12 teacher to 260 student editions
Answer:
C. 12 teacher editions and 260 student editions
Step-by-step explanation:
We can use division to solve this problem
65 ÷ 3 = 21.66... we can round this to 22 student ones we get 1 teacher copy.
A. 260 ÷ 9 = 28.99... we can round to 29 students ones we get 1 teacher copy so this one isn't correct.
B. 325 ÷ 12= 27.083... we can round to 27 students ones we get 1 teacher copy so this one isn't correct.
C. 260 ÷ 12 = 65 ÷ 3 = 21.66... we can round this to 22 student ones we get 1 teacher copy so this option is correct
C
Is the only correct option
Find the equation of a line containing the given points. Write the equation in slope-intercept form.
I got an answer, but I only got one mark help
Answer:
The answer 323.4 is pound.
Step-by-step explanation:
First 25% and 8% together which is 33%.Then find out 33% of 980.33/100×980=323.4 pound.
So he saved 323.4 pound.
A local car rental business charges an upfront fee of $25 plus an additional charge per mile. When Steven drove 200 miles, his bill came to $45. Which equation represents this relationship?
A) y = 10x + 25
B) y = 0.10x + 25
C) y = 45x + 25
D) y = 25x + 45
Answer:
y = 25x + 45
Step-by-step explanation:
Sorry if I am wrong but I think this is correct.
Brainliest PLEASE!!!!
Can someone please help me? I’m not sure of the answers.
Answer:
I think it is y scale: 1250
x scale: 10
slope: 125
please correct me if I have made a mistake in the comments
Solve each problem using strategies you have learned about multiplication.
1. Select True or False for each comparison statement.
A. 6 times as many as 6 is 30. ☐ True ☐ False
B. 8 times as many as 3 is 24. ☐ True ☐ False
C. 36 is 9 times as many as 3. ☐ True ☐ False
D. 40 is 4 times as many as 10. ☐ True ☐ False
E. 45 is 5 times as many as 9. ☐ True ☐ False
2. Hilary has 48 building blocks in the red bucket. That is 6 times as many blocks in the
green bucket. How many building blocks are in the green bucket?
4. Ethan ate 7 jellybeans. Maddison ate 21 jellybeans. How many times more jellybeans
did Maddison eat?
Answer:
A - false
B - true
C - false
D - true
E - true
2. 8
4. 3
Step-by-step explanation:
i did the math
Answer:
a.f
b.t
c.f
d.t
e.t
Step-by-step explanation:
Elijah has 4 new dogs and wants to build a square fence in his backyard for them. He wants the sides to each measure (x + 6) feet. Which expression below would he use to find the perimeter of the fence?
Keith will run at most 26 miles this week. So far, he has run 14 miles. What are the possible numbers of additional miles he will run? Use t for the number of additional miles he will run. Write your answer as an inequality solved for t.
Answer:
[tex]t \leqslant 12[/tex]
Step-by-step explanation:
We know that Keith has ran 14 miles already, and he's aiming to reach no more than 26 miles, this week.
So we can put:
[tex]14 + t \leqslant 26[/tex]
Since, 14 is the number we know, t represents the number we have yet to find, and 26 is the product of this inequality. (We use the less-than-or-equal-to sign, because Keith is only aiming for 26 or less miles.)
Now we solve:
Subtract 14 on both sides to get
[tex]t \leqslant 12[/tex]
So t is less-than-or-equal-to 12, meaning Keith has 12 or less miles to run in order to reach 26 miles.
Hope this helps :)
Btw, please let me know if I'm somehow wrong.
5/8 + 11/12
Someone help me please and thank you.
Also please show work.
Answer:
1 13/24
Step-by-step explanation:
First we need to find the LCD (lowest common Denominator) which will be 24. When we multiply 8 x 3 = 24 we will also multiply 5 by 3 which equals 15. So 5/8 = 15/24. Then we multiply 12 x 2 = 24, and again we also multiply the numerator by the same number which is 11 x 2 = 22. So 11/12 = 22/24.
Now that we have the LCD then we can add up the two. So 15/24 + 22/24 = 37/24. Now we need to simplify that to 1 13/24. Thank you.
(2x+1)(x+5)
6x-4xy
16x^2-25
Step-by-step explanation:
i believe what you need help on is simplifying the equations. so let's start with the first one.
====================================================================
(2x+1)(x+5) original problem
(2x)(x)+(2x)(5)+(1)(x)+(1)(5) we can break this down into smaller pieces so we know what we're dealing with in this equation.
2x2+10x+x+5 if we break this down a little more and add some bracket numbers, this is what we get.
2x2+11x+5 this is the most simplified equation.
====================================================================
6x−4xy original problem.
unlike the last problem, we can easily just... 6x + (−4xy).
−4xy+6x this is the most simplified equation.
====================================================================
ok, the last one. phew!
unfortunately, 16x^2-25 is actually the simplest it can get. so, let's try factoring.
if we factored, we would get...
(4x+5)(4x−5)
===================================================================
hope this helps! :>
y2 + 180 ÷ x - 11
What is the value of the expression when x = 15 and y = 9?
A.
235
B.
6
C.
19
D.
82
help please
Answer:
C (Please select Brainliest)
Step-by-step explanation:
Do PEMDAS
the serving size for a toddlers daily vitamin c is 3/4 cup of orange juice. if there are 2 1/4
cups of orange juice how many servings of vitamin c are there for a toddler
Answer:
Three servings
To find the number of servings we need to determine how many sets of 3/4 there are in 2 1/4 .
2 1/4 divided by 2 (4) + 1 = 1/4= 4/1 = 4 which will equal 9/4
9/4 divided by 3/4= 9/4 x 4/3 =9/3= 3 servings
Step-by-step explanation:
A 6th grade class did a weekend fitness challenge.
Each student set a goal of 75 minutes of fitness.
Morgan exercised for 93 minutes.
What percent of the goal did she achieve?
Your answer is : (blank)%
Ans
Step-by-step explanation:
Divide.
$0.435\longdiv{118.32}$
The quotient is
.
Answer:
The answer is 0.00367647058
Step-by-step explanation:
Hope this Helps!
Answer:
0.00367647058
Find what the x is.
45= 5/7x
Answer:
x = 63
Step-by-step explanation:
Step 1: Multiply both sides by 7/5.
[tex]45 *\frac{7}{5}=\frac{5}{7}x*\frac{7}{5}[/tex] [tex]63 = x[/tex]Step 2: Check if solution is correct.
[tex]45 = \frac{5}{7}(63)[/tex] [tex]45 = 5 * 9[/tex] [tex]45 = 45[/tex]Therefore, x = 63.
x = 63
Step-by-step explanation:45 = 5/7x
=> 9 = x/7
=> x = 63.
Hoped this helped.
The length and width of a square is 9.5 inches (for both) what is the area and perimeter?
Answer:
90.25, 38
Step-by-step explanation:
The area is the two sides multiplied against each other, so 9.5*9.5
Since it's a square all of the sides are 9.5 inches, so just multiply 9.5 times 4 for the perimeter
what is the length of side x?
ABCD ~ EFGH
Answer:
I believe it would be 0.6 Because 1.8 is 1.2x1.5 so if you take 0.4x1.5 you get 0.6
Part of a Whole Write a fraction to name the shaded part. (3.NF.A.1)
Please help!
Answer:
1.
5 shaded parts
6 total parts
fraction = 5/6
2.
1 shaded part
4 total parts
fraction = 1/4
Step-by-step explanation:
Round 681,858 to the nearest hundred thousand
Answer:
700,000
Step-by-step explanation:
So really, in this question, all you care about is the 10,000ths place
The 10,000ths place in this number is 8. Since 8 is greater that four, round up to 700,000
Answer:
700,000
Step-by-step explanation:
Round off all the numbers after the first number
If rounded off and the number closest to the first no is 5 and above, it automatically approximates the next number to its left.
Example: 681,858
The last no is 8, it therfeore approximates 5, thereby changing it to a 6
After being changed to a 6, it approximates the next no to its left, 8, turning it into a 9, nine approximates 1, turns it to a 2, two can't approximate, it's below 5, move on to 8, eight approximates 6 turning it to a 7, that's how I got my 700,000.
[tex]xy=a\frac{1}{x^{2} } +\frac{1}{y^{2} }=b[/tex] find [tex](x+y)^{2}[/tex] in terms of [tex]a[/tex] and [tex]b[/tex].
Please help me with this question..
Step-by-step explanation:
If you like my answer than please mark me brainliest thanks
this is what the question meant
Answer:
You have to make a line that follows this equation:
-1/5x-7=y
If you want you can use Desmos.
Hope this helps!
in kick boxing, it is found that the force needed to break a board varies inversely with the length of the board. If it takes 5 lbs. of pressure to break a board 2 feet long, how many pounds of pressure will it take to break a board that is 8 feet long
Answer:
20
Step-by-step explanation:
Since we know that it takes 5lbs. to break a 2-foot longboard, we first want to figure out how many pounds it takes to break a 1foot board.
5/2=2.5
It takes 2.5 lbs to break a 1-foot board.
2.5x8=20
It would take 20lbs to break an 8-foot longboard.
Hope this helps :)
In the past month, Tammy rented 1 video game and 3 DVDs. The rental price for the video game was $2.20. The rental price for each DVD was$3.20. What is the total amount that Tammy spent on video game and DVD rentals in the past month?
If x = 4, what is the value of x(20 - x)?
A.
68
B.
16
C.
64
D.
76
