Answer:
The answer is 4 2/21
Step-by-step explanation:
Answer: 4 4/21
Step-by-step explanation: 1 2/3=1 14/21. 2 3/7=2 9/21
what are 5 triangle congruence theorems
How do you calculate slope in pre algebra
Answer:
Find the slope from a graph
Locate two points on the line whose coordinates are integers.
Starting with the point on the left, sketch a right triangle, going from the first point to the second point.
Count the rise and the run on the legs of the triangle.
Take the ratio of rise over run to find the slope. m = rise / run.
The table shows the cost to Brenda for her textbooks at her local college. Which description accurately matches the table?
A)New textbooks cost $120 each, and used textbooks cost $40 each. She is
buying 2 new textbooks and x used textbooks.
B)New textbooks cost $100 each, and used textbooks cost $80 each. She is
buying 2 new textbooks and x used textbooks.
C)New textbooks cost $120 each, and used textbooks cost $80 each. She is
buying 2 new textbooks and x used textbooks.
D)New textbooks cost $100 each, and used textbooks cost $40 each. She is
buying 2 new textbooks and x used textbooks.
Answer:
a
Step-by-step explanation:
120plus2 equals 240 then add 40 for every number on graph
Answer:
a
Step-by-step explanation:
Use repeated subtraction to find 68 ÷ 5
Answer:
13 with 3 remaining
or 13.6
Step-by-step explanation:
joe spent $15. he bought 2 cans of oil. abouthow many gallons of gasoline did he buy
The expression that can be used to determine the total amount of Joe spent on gasoline and oil is 2.85g + 3.15c.
The number of gallons of gasoline he bought is 3.0 gallons.
How to find the expression to determine the total amount of gas bought?Joe bought g gallons of gasoline for 2.85 dollars per gallons and c cans of oil 3.15 dollars per can.
Therefore, the expression that can be used to determine the total amount of Joe spent on gasoline and oil is as follows:
total amount = 2.85g + 3.15c
where
g = number of gallons of gasolinec = cans of oilJoe spent 15 dollars . He bought 2 cans of oil . The amount of gallons of gasoline he bought can be calculated as follows:
15 = 2.85g + 2(3.15)
15 = 2.85g + 6.3
15 - 6.3 = 2.85g
8.7 = 2.85g
g = 8.7 / 2.85
g = 3.05263157895
Therefore,
g = 3.0 gallons of gasoline
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HELP PLZ!!Which equations have exactly one y-value for any given x-value? Select all that apply.
A.y = −x
B.x = 4
C.y = x2
D.y = x3
Answer:
The answer is A,C, and D
Step-by-step explanation:
A company has two manufacturing plants with daily production levels of 7x + 19 items and 2x - 7 items, respectively. The first plant production how many more items daily than the second plant? The first plant produces __? More items daily than the second plant.
Answer:
The first plant produces 5x + 26 more items daily than the second plant
Step-by-step explanation:
First plant = 7x + 19
Second plant = 2x - 7
The first plant production how many more items daily than the second plant?
Subtract items produced by the second plant from items produced by the first plant
= 7x + 19 - (2x - 7)
= 7x + 19 - 2x + 7
= 5x + 26
The first plant produces 5x + 26 more items daily than the second plant.
A school has 617 students. Each class has between 28 and 32 students. Which is the best estimate of the number of classes in the school?
14 classes
20 classes
30 classes
60 classes
Answer:
I believe its either 20 or 14
QUICKKK PLEASE HELP!!!! Q:43c +10d=?????
Answer:
53d
Step-by-step explanation:
Lauren buys 17 pounds of bread for her restaurant every day at a cost of $1.40 per
pound.
How much does she pay for the bread each day?
Beth is putting up a fence in her yard so her dog can play outside. She purchased 80 feet of fencing. If the fenced area is a rectangle with a width of 30 feet, what is the length of the fenced area?
Answer:
10 feet
Step-by-step explanation:
The formula for the Perimeter fo a rectangle
= P = 2L + 2W
Where:
L = Length
W = Width
From the question
P = 80 feet
W = 30 feet
Hence:
80 = 2L + 2(30)
80 - 2(30) = 2L
80 - 60 = 2L
20 = 2L
L = 20/2
L = 10 feet
Hence, the length of the fenced area = 10 feet
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Step-by-step explanation:
4x-5≥7
4x≥7+5
4x≥12
x≥12/4
x≥3
•-------------------------------------------------------------->
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0 1 2 3 4 5 6 7 8 9 10
hope it helps!
Mrs. Carter's famous peanut butter cookies call for 1 cup of peanut butter for every 1 2 of a cup of oil. Today, she wants to make a huge batch with 1 cup of oil. How much peanut butter should she use?
Answer:
2 cups of peanut butter
Step-by-step explanation:
Mrs. Carter's famous peanut butter cookies call for 1 cup of peanut butter for every 1/2 of a cup of oil. Today, she wants to make a huge batch with 1 cup of oil. How much peanut butter should she use?
From the above question:
1/2 cup of oil = 1 cup of peanut butter
1 cup of oil = x
Cross Multiply
1/2x = 1 × 1
x = 1 ÷ 1/2
x = 1 × 2/1
x = 2 cups of peanut butter.
Therefore, for huge batch with 1 cup of oil, she should use 2 cups of peanut butter.
Inverse operations are mathematical operations that undo one another. Division is the inverse operation of multiplication. -2 × 6 = -12. -12 ÷ 6 then "undoes" this multiplication, leaving us with a quotient of -2. Multiplication and division follow the same rules related to signs. A negative integer multiplied by a positive integer gives us a negative product. Similarly, a negative integer divided by a positive integer gives us a negative quotient. However, unlike multiplication, division is not commutative. If you change the order of the number you're dividing and the number you're dividing by, you will get a different quotient. Find the quotient: -54 ÷ 9 =
Answer:
-54/9=-6
Step-by-step explanation:
When doing this division we need to take a couple of things into account. First, notice we are dividing a negative number into a positive number, therefore our answer must be negative.
Second, notice that 9 fits 6 time into 54, therefore:
-54/9=6
We can look at this graphically, if we have 54 squares and divided them in groups of 9, we would get 6 groups of 9 in total.
See attached picture.
8 times a number increased by 4 is 60. Find the number
Answer:
7
Step-by-step explanation:
the number = x
8x + 4 = 60
8x = 56
x = 7
95°
x°
y°
z°
55°
please fast give me correct ans with full process i will mark u as brainlist
Answer:
Step-by-step explanation:
EASY POINTS FOR Y'ALL!!!!!!
Answer:B
Step-by-step explanation:
Answer:
D, is the correct answer!!
Step-by-step explanation:
How do you find the equation of the circle given center at (1,-3), and radius 10?
Answer:
note: all the twos are to the power100=(x−1)2(y+3)
Step-by-step explanation:
Suppose the centre of the circle was at the origin (where the x axis crosses the y axis). Then the equation would be:
r2=x2+y2
The reason for this format is that the length of the radius (which is of fixed length) can be related to x and y by Pythagoras. However, the circle centre is not at the origin. It is at
(x,y)→(1,−3)
So we can mathematically make this work by 'theoretically' moving the actual centre to a new centre located at the origin.
Thus we would have:
r2=(x−1)2+(y−(−3))2
r2=(x−1)2+(y+3)2
But the radius is 10 so we have
(10)2=(x−1)2+(y+3)2
100=(x−1)2+(y+3
Line u has a slope of 7/9. Line v is perpendicular to u. What is the slope of line v ?
Answer:
-9/7 bc the perpendicular is the inverse of the former slope
Step-by-step explanation:
What is 3/4 Divided 1/6
Answer:
4.5
Step-by-step explanation:
What was the range of the snowfall in Denver?
7.6 inches
9.2 inches
4.8 inches
5.4 inches
10 points pleas do not answer if u do not know
Answer:
9.2 but I am not sure because it shows that 8.5 so yeah
Step-by-step explanation:
HOPE THIS HELPS
==============================================================
Explanation:
Check out the diagram below
In that diagram, I've marked the highest and lowest bars with red ink.
max = 8.4 inchesmin = 0.8 inchesThe range is simply the difference of the highest and lowest values
So,
range = max - min
range = 8.4 - 0.8
range = 7.6
The answer is choice A.
A department store is offering the same percentage discount on all of their shoes. Suppose one pair of shoes is marked down from $70 to $49. Based on that percentage discount, what would the new price be for a pair of shoes that originally cost $100?
MIDDLE SCHOOL QUESTION
A plane is 20,000 ft. In the air and descending at a rate of 25 ft. Per minute. Write an equation to represent this situation where y is the height of the plane after x minutes.
Answer:
y=20000-25xStep-by-step explanation:
Step one:
given data
initial height of plane= 20000ft
rate of descending= 25ft per minute
let x be the number of minutes it took the plane to descend
and let y be the height after x minutes
Step two:
Required
the mathematical expression for the height
the expression for the situation mathematically is
y=20000-25x
What’s the solution to this problem-5/2=3/4+n
Answer:
..................................................
Step-by-step explanation:
If∠
Answer:
where is tge other half question?
If two angles are supplementary, then they are not congruent. Which diagram provides a counterexample for the statement?
A) A
B) B
C) C
D) D
Answer:
a
Step-by-step explanation:
supplmentay angles are either of two angles whose sum is 180°
option b is two right angles (90 degree on both) add them together you get 180.
option c is 60 degrees and 120 degrees add them together to get 180 degrees.
option d is 155 degrees and add 25 degrees you get 180.
so the answer is a, because 30 degrees and add the other 30 degrees together you only get 60
The correct answer is A, because 30 degrees and add the other 30 degrees together you only get 60.
What are supplementary angles?The supplementary angles are defined as the angles whose sum is equal to 180°.
Supplementary angles are either of two angles whose sum is 180°
Option b is two right angles (90 degrees on both) add them together you get 180.
Option c is 60 degrees and 120 degrees add them together to get 180 degrees.
Option d is 155 degrees and add 25 degrees you get 180.
Therefore, the answer is A, because 30 degrees and adding the other 30 degrees together you only get 60.
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.................help
Answer:
I think on the second day it is 3 degrees on the third day it is -1 degrees and on the fourth day it is -3
Step-by-step explanation:
Here's what I got:
a. 3 °F
If the temp was zero on the first day and rose by 3 °F, logically, it would be 3 °F.
b. -4 °F
The same logic applies.
c. -3 °F
Using integers, we can assume the opposite of 3 °F is -3 °F.
Hope this helps!
Please answer correctly !!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!
Answer:
42
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
The answer is 9 I'm pretty sure
7(1 - y) = -3(y - 2)
Answer:
7 - 7y = -3y - (-6)
Step-by-step explanation:
$50 toolset; 10% markup
Answer:
10% of 50 is 5 dollars up, so will be $55