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Alex777 [14]
4 years ago
10

Write in exponential form: 5 * 5 * (-x) * (-x) * (-x) * (-x)

Mathematics
1 answer:
exis [7]4 years ago
4 0

Answer:c

Step-by-step explanation:

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How far do kala live from the mountains
Alborosie
Recall your d = rt, distance = rate * time.

let's say the rate of speed for Kala was "r" on the way over to the mountains.

Now, on the way over, it took 8 hours due to heavy traffic, whilst on the way back it took only 5 hours since there was no traffic.

The distance covered, say "d" miles, is the same on the way over as well as on the way back.

\bf \begin{array}{lccclll}
&\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\
&------&------&------\\
\textit{to the mountains}&d&r&8\\
\textit{to back home}&d&r+21&5
\end{array}
\\\\\\
\begin{cases}
d=8r\implies \frac{d}{8}=\boxed{r}\\
d=5(r+21)\\
----------\\\\
d=5\left(\boxed{\frac{d}{8}}+21  \right)
\end{cases}
\\\\\\
d=5\left( \cfrac{d+168}{8} \right)\implies d=\cfrac{5d+840}{8}\implies 8d=5d+840
\\\\\\
3d=840\implies d=\cfrac{840}{3}\implies d=280
5 0
3 years ago
Expert Help: Carlos has equal numbers of classical songs, country
motikmotik

Answer:

cool you have your awnser

Step-by-step explanation:

4 0
3 years ago
Part
goldfiish [28.3K]

When a shape is rotated, it must be rotated around a point.

<em>To determine the location of the new triangle, Sonja must subtract (5,-1) from the coordinates of the original triangle, before rotating by </em>90^o<em>.</em>

<em />

From the question, we have:

C = (5,-1) --- the center of rotation

Let the vertices of the triangle be (x,y).

First, she must subtract the coordinates of the center of rotation from the vertices of the triangle.

This gives:

(x,y) \to (x - 5, y + 1)

Then the vertices are rotated by 90^o

<u />

<u>The rule of </u>90^o<u> rotation is:</u>

(x,y) \to (-y,x)

So, we have:

(x - 5,y + 1) \to (-y - 1,x - 5)

From the attachment, the coordinates of the triangle are: (0,2), (0,5) and (4,2)

After rotation, the coordinates are calculated as follows:

(0,2) \to (-2-1,0-5) \to (-3,-5)

(0,5) \to (-5-1,0-5) \to (-6,-5)

(4,2) \to (-2-1,4-5) \to (-3,-1)

Hence, the coordinates are: (-3,-5), (-6,-5) and (-3,-1)

Read more about rotations at:

brainly.com/question/1571997

3 0
3 years ago
Find the quotient for 63÷8 showing work
Nastasia [14]
63/8 is 7.875, or 7 remainder 7.
5 0
3 years ago
Given: ∆DEK, DE = EK
zhannawk [14.2K]
KF= 8 units
m∠DEK = 88°
m∠DFE = 90°
7 0
4 years ago
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