A pan balance has 3 cubes on one pan and 11 cubes on the other pan. Lucy thinks she should add 7, 8, 9, or 10 cubes to make the pans balance. How can you use the equation 3 + c = 11 to find the number of cubes Lucy should add?
Answer:
8
Step-by-step explanation:
11-3=c
c=8
The number of cubes Lucy should add is 8.
What is an equation?In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
Given that, a pan balance has 3 cubes on one pan and 11 cubes on the other pan.
The equation to represent the situation is 3+c=11
The solution of an equation is the set of all values that, when substituted for unknowns, make an equation true.
Now, c=11-3
c=8
Therefore, the number of cubes Lucy should add is 8.
To learn more about an equation visit:
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Bella has $26.00 to spend at a craft store. She buys fabric that costs $18.62. She also wants to buy knitting needles for $7.32, silk flowers for $7.38 or oil paints for $8.48. Use the equation $18.62 + c = $26.00, where c is the item cost, to find the most expensive item Bella can buy. Show your work and explain how you found your answer. Be sure to write your answer in a complete sentence.
What is the area of the top of the water buoy as shown in the figure?
84.78 square in.
37.68 square in.
113.04 square in.
28.26 square in.
Answer:
The answer is 28.26 square in
Step-by-step explanation:
As, the diameter if the top = 6 inches
And the area of a circle = 3.14(pi) x radius^2
So here radius = Diameter /2 = 6/2 = 3
So radius = 3 inches
So area = 3.14 x (3)^2
= 3.14 x 9
= 28.26 square in
Sorry this is the last question...
Find the commission.
Answer:
63.9
Step-by-step explanation:
Convert 9% to a decimal: 0.09
710×.09=63.9
Please give me brainliest
Which graph shows a proportional relationship between the number of hours of renting a lawn mower and the total amount spent to rent the lawn mower?
Answer:
1
Step-by-step explanation:
the 1 one
Which of the following numbers is written in scientific notation?
A. 17
B. 17 × 106
C. 3.734 × 10–14
D. 3.734
Answer:
i think is b
Step-by-step explanation:
Can the perimeter be larger than the area?
Answer:
YES
Step-by-step explanation:
SOMETIMES
Answer:
The area can be smaller or larger than the perimeter depending on the shape.
Step by Step Explanation:
You can divide your diagram into one-unit (feet, cm, miles) segments vertically and horizontally if you want to visualize how the area measurement will look. Multiply the length of your rectangle by the width.
Help me plz or dont its whatever
Answer:
i think its 7
Step-by-step explanation:
28 miles per 4 hours, so you divide them both by 4 and get 28 divided 4
and 4 divided by 4. so its 7/1 which just equals 7. please correct me if im wrong good luck.
Hey there!
In order to solve for this particular question that you have asked.. we can just simply divide 28 from 4
Equation: 28 / 4
28 ÷ 4 / 4 ÷ 4
28 ÷ 4 = 7
4 ÷ 4 = 1
New equation: 7 / 1
Simply the newer equation and you have your answer
7 ÷ 1 = 7 / 1 ➡️ 7
Answer: 7 mph. (Miles Per Hour) ☑️
Good luck on your assignment and enjoy your day!
~LoveYourselfFirst:)
elp meEeEeEeEEeEEe plzzz
Answer:
1. 6/15, or 2/5.
2. Apples cost more per pound.
Step-by-step explanation:
1. Brian reads 2/15 in 20 minutes, like we were told. It's easy to determine how much of his book he can read within an hour, by using the ratio 1/15:10. There's clearly 1/15 in 10 minutes, 2/15 in 20, 3/15 in 30, and so on. This would result in him reading 6/15's of his book in an hour.
2.
Peaches
0.6÷8/5 converts to .6 × 5/8. The result is .375.
Apples
1.75 ÷7/2 converts to 1.75×2/7. The result of this equation is .5, so therefore, the apples cost more per pound.
The sum of Bernice’s age and her
mother’s age is 63. Bernice is 21. What is her mother’s age?
Answer:
her age would be 42
Step-by-step explanation:
63-42=21
Simplify -2[9 - (x + 7)].
-32 - x
-4 - x
-4 + 2x
-32 + 2x
Please help me also explain your answer so I can get better at this thank you :)
Decide whether the question is looking for the part, the percent, or the whole.
15% of what number is 132?
The question is looking for the [ part, percent, or whole]
3 to the second power x 3 x 3 x 3=
Simplified into exponential form
Answer:
27
Step-by-step explanation:
My daughter need help on this and I am not good at telling time like that
Answer:
7:42
Step-by-step explanation:
Answer:
The time is 7:37, you can tell because the smaller hand is close to the 8 but it is not on the 8 just yet because the big hand has not passed 12
Step-by-step explanation:
Please help, will give brainliest. Thank you
Answer:
92.6 times
Step-by-step explanation:
Answer:
If I understand what you are asking correctly all you would have to do is divide the 1 mile by how far around the path is. The answer to this is 92 hope this helps.
Step-by-step explanation:
If you want a decimal answer then its 92.6
solve -2x<8 plzz :) have a good day
Answer:
The answer is -4
Isolate the variable by dividing each side by factors that don't contain the variable.
Inequlity form: x > -4
Interval Notation : (-4, infinity)
Hoped this helped!
How would i explain how i got my answer (my answer was 200, all the other numbers were already there)
Step-by-step explanation:
80 times 2 is 160
Therefore, 100 times 2 is 200
You multiply the denominator and numerator by the same number.
I will mark brainliest if correct
Answer:
E)40 Mrs. White
Step-by-step explanation:
do you need an explanation?
Help please it is graphing
Here are the pairs:
(from the left)
First group: 3rd graph, y = x - 2, table g
Second group: 2nd graph, y = 2x, table b
Third group: 1st graph, y = x + 2, table m
See picture for question
awser :5.4n 5 aka #3
------------------------------------------
Answer:
5.4n
Step-by-step explanation:
4n + 3.5 + 2.1n
4n+ 3.5 = 7.5n
7.5n - -2.1= 5.4n
i need some help plss with this math
Answer:
0
Step-by-step explanation:
If you look at -3 the other end is 0 so the answer is 0.
Answer:
y=3
Step-by-step explanation:
the equation is 3x + 2y = -6, so we can plug in the x value -4.
doing this we get -12 + 2y = -6
now we just solve the equation for y.
2y=-6+12
2y=6
y=3
Graph -3.5 and -1.5 on the number line.
Answer:
ok i kow this hold on
Step-by-step explanation:
The dimensions for the rectangle marked 'B' are _____ centimeters and _____ centimeters.
8, 12
3, 8
3, 5
Answer: a. 8, 12
Step-by-step explanation:
Basing on the picture above, you can readily determine the dimension of the rectangle B.
Its width is 12 cm and its length is 8cm.
Two different clothing detergents are on sale at Shop Mart. Clean White is priced at $5.76 for 32 fluid ounces. Clean Bright is priced at $7.20 for 48 fluid ounces. Which set of ratio tables is correct?
Answer:
$17.35
Step-by-step explanation:
Answer:
$17.35
Step-by-step explanation:
Help me do this. I am confused.
Answer:
btw plz dont report me
Step-by-step explanation:
how many problems????
Last year there were 205 ducks living on the pond. This year there are 20 % more ducks living on the pond. Is this a percent increase or decrease? *
Answer:
This is an increase.
Step-by-step explanation:
It says 20% *more* ducks which means the number is getting bigger.
Answer:
I think decrease
Step-by-step explanation:
20%/205= 0.000975
Write each fraction as a percent. 2/10, /4, /20
Answer:
2/10 is 20% 4/20 should also be 20 %
Step-by-step explanation:
20% and .004% and .2% is the answer
Jada walked 8 miles to school and then a quarter of that distance again. How far did Jada walk? *
A. 2 miles
B. 10 miles
C. 8 miles
D. 12 miles
Answer
A . 2
Step-by-step explanation:
A quarter =0.25 miles
jada walked 8 miles to school
0.25
x 8
---------
2
A doctor conducts an experiment to test new treatments for a medical condition. Of the 16 volunteers in the experiment, 4 do not receive any treatment. What percent of the volunteers do not receive any treatment?
% ?