What 3 consecutive even numbers added together equal 42? Use the equation n+(n+2)+(n+4)=42 to help you solve.
Answers
n+(n+2)+(n+4)=42
n+n+2+n+4=42
3n + 6 = 42
3n = 36
n=12
This means that the first starting number is 12. So the 3 consecutive even numbers would be 12, 14, and 16.
To check this, we can add these numbers together, and see if we get a sum of 42.
12+14+16=42, therefore your answer is correct.
x,x+2,x+2+2
so the add upt o 42
x+x+2+x+2+2=42
add like terms
3x+6=42
subtract 6 from both sides
3x=36
divide by 3
x=12
numbers are x,x+2,x+4
12+2=14
12+4=16
numbers are 12,14,16
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When you multiply two thirds by a fraction less than 1 how does the product compared to the factor
Answers
The equations are- 1) y=-6x+2, 2) y = x^2+7, 3) y = -1/5x^3+7
Step-Wise explanation-
Linear function
let y = -6x+2
if we put x=5 then- y = 32
quadratic function
let y = x^2+7
if we put x=5 then we get y = 32
Cubic function
let y = -1/5x^3+7
if we again put x=5 then we get y= 32
Hence the required functions are y = -6x+2, y = x^2+7, y = -1/5x^3+7
What are functions?
the function is the relationship between units of values. e g y=f(x), for each value of x there is its exists in a set of y. x is an impartial variable even as Y depends variable.
Learn more about functions here
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Answer:
Quadratic: y=x^2-27x-160
not too sure of the other ones sorry
Step-by-step explanation:
Answers
Answer:
4
Step-by-step explanation:
4-0.25*10+0.5*5=4-2.5+2.5=4
g=10
h=5
4-.25(10)+.5(5)
4 -2.5 +2.5
The answer is 4
Answers
Direct variation
Explanation:
Given –2 + 4y + 2 = 8x.
To find the given expression –2 + 4y + 2 = 8x is direct variation or not.
If y varies directly as x, then y = kx.
If y varies inversely as x, then
⇒ –2 + 4y + 2 = 8x
Combine like terms together.
⇒ –2 + 2 + 4y = 8x
⇒ 4y = 8x
Divide both sides of the equation by 4, we get
⇒ y = 2x
Which is in the format of y = kx.
Thus y varies directly as x.
Hence, –2 + 4y + 2 = 8x is direct variation.
Answers
Answer:
Therefore the new coordinate of the point is (2,-4)
Step-by-step explanation:
A point (2,4) is rotated clockwise .
The point (2,4) lies on the first coordinate.If the point rotated clockwise direction It will be go fourth coordinate.
Therefore the new coordinate of the point is (2,-4)
Answers
Given:
Area of a circle = 615.44 in²
Area of a circle is computed by multiplying pi and the radius raised to the 2nd power.
A = π r²
615.44 in² = 3.14 * r²
615.44 in² / 3.14 = r²
196 = r²
√196 = √r²
14 in = r
Diameter is twice its radius. So, d = 2r; d = 2 * 14 ; d = 28 inches
Answer:
The diameter= 28in
Step-by-step explanation:
Answers
Answer:
x =
Step-by-step explanation:
Given equation:
∵taking GCF 8
= 4x × 8
6x + 5 = 32x ⇒ 5 = 32x - 6x ⇒ 5 = 26x ⇒ x =