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HACTEHA [7]
3 years ago
11

What is the value of this expression when a = 3 and b = negative 2? (StartFraction 3 a Superscript negative 2 Baseline b Supersc

ript 6 Baseline Over 2 a Superscript negative 1 Baseline b Superscript 5 Baseline EndFraction) squared
Mathematics
2 answers:
Vlad [161]3 years ago
8 1

Answer:

The answer is NOT 625 that answer is to this question: What is the value of (Negative 5) Superscript 4?  that equals 625

The actual answer is: -27

Step-by-step explanation:

9*-2 is 81 and 6*-1 is -6 and we put 81 over -6 and we divide that and get -13.5 then we do -2*6 and we get -64 and then we have -2*5 and that equals -32, we then get 2 after we divide those two numbers. after that we times -13.5 by 2 and we get -27.

I just did this and i will see if it works thanks. :)

erastova [34]3 years ago
4 0

Answer:

625

Step-by-step explanation:

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The temple at the top of pyramid is approximately 24 meters above the ground, and there are 91 steps leading up the temple. How
slamgirl [31]

Answer:

13.187 meters

Step-by-step explanation:

Basically, there are 24 meters for every 91 steps: \frac{24}{91}

There are x meters for every 50 steps: \frac{x}{50}

\frac{24}{91} =\frac{x}{50}

Cross multiply

91x = 1200

Divide both sides by 91 to isolate the variable, x

91x/91 = 1200/91

x = 13.186813

7 0
3 years ago
Mark knows that he will need to buy a new car in 5 years. The car will cost $15,000 by then. How much should he invest now at 8%
exis [7]
X - initial investment
8% - annual rate

x·=15,000,

so x = 10094.54   

ANSWER: $10,094.57
3 0
3 years ago
Katrina drove 250 miles in 4 hours. How many miles did she drive in 1 hour? HELP ME FAST PLS ILL LOVE U FOREVER <3
tatuchka [14]

Answer:

62.5 miles per hour

Step-by-step explanation:

All you have to do is divide 250 miles by 4 hours, to get the unit rate of miles per hour. I hope this helps :)

3 0
3 years ago
5 and 3/7 - 4 and 5/7
Art [367]
The correct answer is 5/7 or 0.7142857
Hope this helps you! :)
5 0
3 years ago
Find the general solution of the differential equation and check the result by differentiation. (Use C for the constant of integ
tensa zangetsu [6.8K]

Answer:

y=3t^9+C

Step-by-step explanation:

Given:  \dfrac{dy}{dt}=27t^8

We want to obtain the general solution of the given differential equation.

dy=27t^8$ dt\\$Take the integral of both sides\\\int dy =\int 27t^8$ dt$\\y=\dfrac{27t^{8+1}}{8+1} +C$, (where C is the constant of integration)$\\y=\dfrac{27t^{9}}{9} +C\\\\y=3t^9+C

The general solution of the differential equation is: y=3t^9+C

CHECK:

\dfrac{d}{dt} y=\dfrac{d}{dt}(3t^9+C)=\dfrac{d}{dt}(3t^9)+\dfrac{d}{dt}(C)\\\\\text{Since derivative of a constant is zero}\\\\\dfrac{dy}{dt}=27t^{9-1}\\\dfrac{dy}{dt}=27t^8

4 0
3 years ago
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