PLEASE HELP!! OFFERING 39 POINTSGraph each linear equality
1. y<3/2x-1
2. -3y≥-2x+6
3. x>-1
Answers
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Find a parametric representation for the surface. (Enter your answer as a comma-separated list of equations. Let x, y, and z be in terms of u and/or v.) The plane through the origin that contains the vectors i − j and j − k.
What is 23.791 rounded to the nearest tenth?
What value of c makes x2 − 24x + c a perfect square trinomial?−144 −48 48 144 Unsubs
22.6 m
67.9 m
188.5 m
Answers
diameter of two circles 3:5
small circle : 3
large circle : 5
circumference of two circles x : 113.1
small circle : ?
large circle : 113.1 m
3:5 = x :113.1
3*113.1 = 5*x
339.3 = 5x
339.3 / 5 = x
67.86 = x
The approximate circumference of the smaller circle is 67.9 m.
Answer: C
67.9 m
Step-by-step explanation:
Answers
Answer:
The perimeter of the regular nonagon is 111.6 cm
Step-by-step explanation:
In this question, we are asked to calculate the perimeter of a regular nonagon given the apothem and the length of its side
Since the polygon is regular, it means the length of its sides are equal.
The polygon we are dealing with here is a nonagon meaning it is a 9 sided polygon
Mathematically, the perimeter is ;
P =n * s
where n is the number of sides and a is the length of one of the side of the polygon
From the question, our s = 12.4 cm
Plugging this into the perimeter equation, we have;
P = 12.4 * 9 = 111.6 cm
Answers
The value of 9x will be equal to 27.
What is an expression?
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Given that 6x-4 is 11 less than 25.
=> 6x - 4 = 25 -11
Take all the constant terms on one side and solve.
=> 6x = 25 - 11 + 4
=> 6x = 18
Divide 18 by 6 to get the value of x.
=> x = 18/6
=> x = 3
The value of 9x will be calculated as below:-
9x = 9×3 = 27
Therefore, the value of 9x will be equal to 27.
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=> 6x - 4 = 25 -11
=> 6x = 25 - 11 + 4
=> 6x = 18
=> x = 18/6
=> x = 3
Now, we know x = 3
So 9x = 9×3 = 27
Answers
Answer:
The number of students in the seventh grade who would be expected to prefer math over science are:
128
Step-by-step explanation:
Total number of students in seventh grade are: 150 students.
Now he took a sample of 25 students and find that the 85% of the sample prefers math over science.
This means that out of the sample the number of students who prefer maths over science is:
Now, out of the total seventh graders the number of students who prefer math over science is:
which is approximately equal to 128.
Hence, the answer is:
128 students
Option 1 : 25
Option 2 : 85
Option 3 :150
Option 4 :128
Solutions - Convert the percent into decimal and multiply.
85% of 150 = 0.85 * 150
= 127.5 which is rounded to 128
Answers
Answer:
a. greater than 180⁰
Step-by-step explanation:
you know its greater than 180⁰ because the angle is more than 90⁰ since it does not have a right angle (the box)
it couldn’t be answer choice A because a 180 degree would be a semi-circle.
Answers
Answer:
the slope is -1
Step-by-step explanation:
for every one x that you move you go down one y so
rise/run = 1/-1
slope is -1
Slope is rise over run or change in y over change in x.
In the graph, the change in y is -2 (line goes down to -2) and the change in x is -2 as well.
Therefore, the slope is -2/-2, which is equivalent to 1. So the slope is 1.