Solve : 4+3x =(3x-7)+9.
Answers
Hope this helped
Answer:
D.) x = 3
Step-by-step explanation:
4 + 3x = 2(3x - 7) + 9
4 + 3x = 6x - 14 + 9
3x - 6x = 9 - 14 - 4
-3x = -9
x = -(-9)/3
x = 9/3
x =3
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Thank you
Answers
Answer:
Step-by-step explanation:
The 2 legs are congruent.
Let the leg be x, then using Pythagoras' identity in the right triangle
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, thus
x² + x² = 7², that is
2x² = 49 ( divide both sides by 2 )
x² = ( take the square root of both sides )
x =
= ×
=
Answers
2×3 6
__ = __
5×3 15
1×5 5
__ = __
3×5 15
6/15+ 5/15= 11/15.
So the sum is 11/15
2/5 and 1/3
5 and 3 both have 15 as a common multiple.
5*3=15 and 3*5=15
2*3=6 and 1*5=5
6/15 plus 5/15
11/15
Answers
The +30 represents the 30 gallons of gasoline at the beginning of Samantha's road trip.
As each mile, x, does by, 1/25 of a gallon is lost (because the van gets 25 miles per gallon). so you put a negative 1/25 in front of the x. Therefore, when Samantha has driven x miles,she will have y gallons of gas left.
Answers
To find the scale factor you have to enlarge/ dilate A to get B you have a given side so assume that all sides are dilated to the same extent
: .
Thus one can say m would be
And N would be
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You can simplify 6/8 by dividing both the numerator and the denominator by 2.
6/8 = 3/4 or 0.75 of a cup