Six less than two thirds of a number is 18. solve.
show an equation

Answers

Answer 1

Answer: 18=(2/3)x-6
+6 +6
24=(2/3)x
÷(2/3) ÷(2/3)
36=x
check it now
18=((2/3)(36))-6
18=(24)-6
18=18
that is a true statement so x must be equal to 36
x=36

Answer 2

Answer: 6-2/3=18 That is my answer

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Evaluate 2(x+1)-3 when x=6
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The coordinates of the vertices of ANGLE PQR are P(-3,3), Q(2,3), and R(-3,-4). Find the side lengths to the nearest hundredth and the angle measures to the nearest degree.
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Factor completely:v^4+6v^2+5

I need help with this pleaseee

Answers

Answer:

9. obtuse isosceles

10. equiangular equilateral

For 10., it is also acute equilateral, but if you can pick only one answer, go with the answer above which is more descriptive.

Step-by-step explanation:

Two sides are congruent. The third side is not congruent to the other two.

According to sides: isosceles triangle.

One angle is obtuse.

According to angles: obtuse triangle

10.

All sides are congruent.

According to side: equilateral triangle.

All angles are congruent, and each angle measures 60 deg. All angles are acute.

According to angles: equiangular triangle

According to angles: acute triangle.

both are the first answers

Solve for x
w=-2x+p/2

Answers

Answer:

x= -w/2 + p/4

Step-by-step explanation:

hope this helps!

6. Write two rational numbers which are their own reciprocals ?

Answers

1 and -1 are the only rational numbers which are their own reciprocal. $\:$

A rock is dropped from the edge of a cliff. The equation below gives the distance, d, the rock travels in t seconds.d=5t^2 + 5t
How long does it take for the rock to travel 30 meters?
A. 3 seconds
B.5 seconds
C.6 seconds
D.2 seconds
pls !! help !!!

Answers

Final answer:

To find the time it takes for the rock to travel 30 meters, we solve the given quadratic equation and obtain the value of t. The rock takes 3 seconds to travel 30 meters.

Explanation:

To find out how long it takes for the rock to travel 30 meters, we need to solve the equation d = 5t^2 + 5t, where d is the distance and t is the time in seconds. We'll set d equal to 30 and solve for t:

30 = 5t^2 + 5t

Now, we can rearrange the equation to form a quadratic equation:

5t^2 + 5t - 30 = 0

Next, we can solve this quadratic equation using factoring, completing the square, or the quadratic formula. By factoring, we get:

(t - 3)(5t + 10) = 0

From this, we can see that there are two possible solutions for t: t = 3 and t = -2. However, since time cannot be negative in this context, we discard the negative solution. Therefore, the rock takes 3 seconds to travel 30 meters.