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lutik1710 [3]
3 years ago
12

Which of these is equivalent to 3^−2?

Mathematics
2 answers:
fenix001 [56]3 years ago
8 0

Answer:

1/3^2

Step-by-step explanation:

flip it to get rid of negative

jeka57 [31]3 years ago
8 0

Answer:

3^{-2}=\left ( \frac{1}{3} \right )^2=\frac{1}{9}

Step-by-step explanation:

According to the Exponents Law. Whenever we have some number whose exponent is a negative one:

b^{-2}=\left ( \frac{1}{b} \right )^{2}=\frac{1}{b^{2}}

The outcome is its reciprocal raised to its positive power.

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What is the length of segment TR with T(-4,5) and R(2, -1)​
Brilliant_brown [7]

Answer:

The length of segment TR with T(-4,5) and R(2, -1)​ is 8.49

Step-by-step explanation:

We need to find the length of segment TR with T(-4,5) and R(2, -1)​

The length of segment can be found using distance formula.

The distance formula is: Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Putting values and finding length

We have: x_1=-4, y_1=5, x_2=2, y_2=-1

Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\Distance = \sqrt{(2-(-4))^2+(-1-5)^2}\\Distance = \sqrt{(2+4)^2+(-1-5)^2}\\Distance = \sqrt{(6)^2+(-6)^2}\\Distance = \sqrt{36+36}\\Distance = \sqrt{72}\\Distance=8.49

We found Distance = 8.49

So, The length of segment TR with T(-4,5) and R(2, -1)​ is 8.49.

5 0
3 years ago
How do u do 8*17 in a distributive property
scZoUnD [109]

Answer:

136

Step-by-step explanation:

You can do 8×10=80

And 8×7=56

Add the two together

Because 10+7=17 you split it, but multiplied it by the 8.

80+56=136

4 0
4 years ago
Plz plz plz plz plz plz help and show your work
Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

i believe this is multiplication so. just multiply 12 3/4 x 2/5. The answer to that would be 12 6/20. Now let's simplify. you can divide this fraction to the fraction 2/2. 12 6/20 divided by 2/2 equals to 12 3/4. I hope this right, and I really hope you get an A on your test.

If it's division than here's the steps. KCFM (keep, change, flip, multiply) keep 12 3/4, change the division symbol to multiplication, and flip the fraction 2/5 to 5/2. last step multiply. 12 15/8. If you can simplify that then simplify it. I don't see anyone to simplify it so your okay.

3 0
4 years ago
Write the number 40/100 as tenths in fraction form and decimal form.
Stolb23 [73]
What is 40/100 as a decimal?
To write 40/100 as a decimal you have to divide numerator by the denominator of the fraction.
We divide now 40 by 100 what we write down as 40/100 and we get 0.4

And finally we have:
40/100 as a decimal equals <span>0.4</span>
5 0
3 years ago
Read 2 more answers
A ship is 1.4° off course. If the ship is traveling at 14.0 miles per hour, how far off course will it be after 2 hours?
sesenic [268]

Answer:

  about 0.7 miles

Step-by-step explanation:

When you draw a diagram of the problem, you see that the shortest distance back to the course is the distance traveled times the sine of the angle:

  distance off course = (14 mi/h)×(2 h)×sin(1.4°) ≈ 0.684 mi

The ship is about 0.7 miles from its intended course.

6 0
4 years ago
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