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Y_Kistochka [10]
3 years ago
11

Which property of exponents must be used first to solve this expression? (xy^2)^1/3

Mathematics
1 answer:
Pavel [41]3 years ago
5 0
^^To solve you must use the fractional exponent rule.

I dont quite understand what the question is asking but thats what I have to help :)

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What is the value of y in this triangle?<br><br> A ) 124°<br> B ) 98°<br> C ) 56°<br> D ) 36°
Zolol [24]
180-134=46 98+46=144. 180-144=36. angle y=36. So the answer is D)36.
5 0
3 years ago
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Solvę for x. Assume that lines which appear tangent are tangent.
Tom [10]

Answer:

7

Step-by-step explanation:

Use secant-tangent product theorem.

1. Set up the equation

(x-3)(x-3+5) = (x-1)²

2. Solve

(x-3)(x+2) = (x²-2x+1)

(x²-x-6) = (x²-2x+1)

3. Solve for x

Subtract x² from both sides

-x-6 = -2x+1

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6 0
3 years ago
Given that PS is a median of triangle PQR, find RQ<br> A.6<br> B.12<br> C.19<br> D.38
Zinaida [17]
The median triangle is a line segment that connects the vertex and the midpoint of the opposite side. Therefore, in the given, we can say that RS = QS

Equating RS and QS, we will find the value of X

RS = QS 
5x-11 = 2x+7
5x-2x = 7+11    ⇒ combine like terms
3x = 18             ⇒ divide both sides by 3 to get the x value 
x = 6

Find the value of RS and QS, in this, we will show that two are equal

5(6)-11 = 2(6)+7
19 = 19  ⇒ correct

Therefore RQ is the sum of RS and QS or simply twice the length of either segment

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5 0
3 years ago
A 3.00-g copper penny at 25.0°C drops from a height of50.0 m to the ground. (
Gnoma [55]
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(0.6)mgh=mcΔT
We see we can divide out the mass from each side
0.6gh=cΔT,   then 0.6gh/c=ΔT
(0.6)9.81(m/s²)50m/385(J/kg°C) = 0.7644°C
since this is the change in temperature and it started at 25°C we get
T=25.7644°C
As you can see the result does not depend on mass.  The more massive the copper object the more potential energy it will have to contribute to the heat energy, but the more stuff there will be to heat up, and the effect is that the mass cancels.
6 0
3 years ago
Which number is the same distance as 10 from 0 on number line
mote1985 [20]

Answer:

-10

Step-by-step explanation:

8 0
2 years ago
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