Solve the following equation: 28 ÷ 7 + 2 × 3 = ?
A. 24B. 18C. 10D. 12
Answers
Please (parentheses)
Excuse (exponents)
My (multiply)
Dear (divide)
Aunt (add)
Sally (subtract)
We can see that multiplying comes first in this equation, then dividing then adding so
2x3=6
then
28/7=4
then
6+4=10
So your answer is C
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If T(n) = 2-7n, what is the 1st term?
Answers
Cos(x) = adjacent over hypotenuse
Tan(x) = opposite over adjacent
Everything revolves around a right triangle.
From the given equation, "sine of x equals square root of 2 over 2"
Opposite = square root of 2
Hypotenuse = 2
Adjacent = ?
Using the Pythagorean Equation: H^2 = O^2 + A^2
2^2 = (square root of 2)^2 + A^2
A^2 = 4 - 2
A = square root of 2
Cos(x) = square root of 2 over 2
Tan(x) = square root of 2 over square root of 2 = 1
Answers
In order to answer this one, you have to remember:
--> Parallel lines have equal slopes.
--> Perpendicular lines have negative reciprocal slopes.
(One slope = - [ 1/the other slope ]
The question gives us two lines:
#1). y = 2x + 1
#2). 2x + y = 7
The first equation is in nice slope-intercept form, and we can see
right away that the slope of its graph is 2 .
The second equation is not in slope-intercept form, so we need to
massage it slightly before we can spot the slope of its graph.
2x + y = 7
Subtract 2x from each side: y = -2x + 7 . <== slope-intercept form.
Slope = -2 .
Now we know both slopes.
#1). Slope = 2
#2). Slope = -2
Are the slopes equal ? I don't think so. 2 is not equal to -2 .
The lines are not parallel.
Are the slopes negative reciprocals ? I don't think so.
2 is not equal to -[ 1/(-2) ].
The lines are not perpendicular.
Answers
The difference in area between the large and small cakes is 128π square inches.
How to find the area of a circle?
Suppose the circle has radius of 'r' units, then, its area is given as:
sq. units
Since radius of a circle is half of its diameter, so if diameter is of 'd' length, then r= d/2, thus, area can be rewritten as:
We are given that;
A bakery offers a small circular cake with a diameter =8 inches
A large circular cake with a diameter = 24 inches
Now,
For the small cake, the diameter is 8 inches, so the area is A = (π/4) × 8^2 = 16π square inches.
For the large cake, the diameter is 24 inches, so the area is A = (π/4) × 24^2 = 144π square inches.
To compare the areas, you can divide them by each other:
(144π)/(16π) = 9
This means that the large cake has 9 times the area of the small cake, not 3 times. The difference is because when you increase the diameter by a factor of 3, you increase the radius by a factor of 3 as well, and then you square it in the formula. So the area increases by a factor of 3^2 = 9.
144π - 16π = 128π square inches.
Therefore, by the area of a circle the answer will be 128π square inches.
Learn more about area of a circle here:
#SPJ2
radius=4 for small circular cake
radius=12 for large circular cake
Area of small circular cake=16pi
Area of big circular cake=144pi
144pi/16pi=9 times bigger than small circular cake.
NO, 9 TIMES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answers
Answers
The value of the expression will be 16. Then the one way that you could read the expression by sixteen.
What is the value of the expression?
When the relevant factors and natural laws of a mathematical model are given values, the outcome of the calculation it describes is the expression's outcome.
The expression is given below.
⇒ 0.50 x (24 + 8)
Simplify the expression, then the value of the expression will be
⇒ 0.50 x (24 + 8)
Apply the distribution property, then the expression is written as,
⇒ 0.50 x 24 + 0.50 x 8
Apply the multiplication property, then the expression can be written as,
⇒ 12 + 4
Apply the addition property, then the expression will be given as,
⇒ 16
The value of the expression will be 16. Then the one way that you could read the expression by sixteen.
More about the value of the expression link is given below.
#SPJ2
Answer:
64
hope it helps you..
Step-by-step explanation:
...
Answers
Answer:
Conclusion: ◇WAU ≅ ◇JAU
Reason: ASA theorem
Step-by-step explanation: