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drek231 [11]
3 years ago
11

Find two consecutive whole numbers that 7 lies between.

Mathematics
1 answer:
Wittaler [7]3 years ago
5 0
The answer is actually 3 and 4.

\sqrt{7} lies between the two consecutive numbers 3 and 4.

I hope this helped! :))
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سا (a) From the definition of derivatives determine dy÷dx if y = -2÷x​
harina [27]

Step-by-step explanation:

Given: y = -\dfrac{2}{x}

Derivative of a power function x^n:

\dfrac{d}{dx}(x^n) = nx^{n-1}

Therefore,

\dfrac{dy}{dx}=-2(-1)x^{-2} = \dfrac{2}{x^2}

3 0
3 years ago
What equation will give the perimeter of the figure? HELP HELP HELP
nata0808 [166]

Answer:

(2l + 2w) + (a + b + c)

Step-by-step explanation:

The formula for the perimeter of a rectangle is

P = 2l + 2w

so if you substitute, it becomes

P = 2(12) + 2(2)

= 24 + 4

= 28

For the perimeter of a triangle the correct formula would be

P = a + b + c

The missing side in the triangle is 3 because 15 - 12 is 3.

If you substitute, it becomes

P = 2 + 3 + 6

P = 11

If we add both perimeters together we get the full perimeter of the figure which is

28 + 11 = 39

I am not sure if you wanted the answer as well but just in case :)

4 0
3 years ago
Four times the difference of a number and 16.
allsm [11]

Answer:

4(n-16)

Step-by-step explanation:

4 Four

( ) Times

n number

16 16

- difference

4 0
3 years ago
Which of the following is an x intercept of the function f(x)=x^2-81?
Doss [256]
<span>x intercept when f(x) = 0
so
</span><span>x^2-81 = 0
x^2 = 81
x = + 9 and x = -9

Answer
</span><span>C -9</span>
4 0
3 years ago
Read 2 more answers
There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the di
Olin [163]

Solution: We are given:

ACT scores follow normal distribution with \mu=20.9,\sigma =4.8

SAT scores follow normal distribution with \mu=1026,\sigma=209

Now, let's find the z score corresponding to Joe's SAT score 1351.

z=\frac{x-\mu}{\sigma}

        =\frac{1351-1026}{209}

        =\frac{325}{209}

        =1.56

Therefore, Joe's SAT score is 1.56 standard deviations above the mean.

Now, we have find the Joe's ACT score, which will be 1.56 standard deviations above the mean.

Therefore, we have:

z=\frac{x-\mu}{\sigma}

1.56=\frac{x-20.9}{4.8}

1.56 \times 4.8 = x - 20.9

7.488=x-20.9

x=20.9+7.488

x=28.388 \approx 28.4

Therefore, Joe's equivalent ACT score to SAT score 1351 is 28.4    

7 0
3 years ago
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