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3 years ago

Round to the nearest tenth if neccessary 69.904 divided by 34

Mathematics

2 answers:

Cloud [144]3 years ago

7 0

Answer:

2.056

rounded to the nearest tenth: 2.1

Plz mark brainliest!! :DD

motikmotik3 years ago

5 0

Answer:

2.056

Step-by-step explanation:

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13.55080383<br>16.36940144<br>+ 9.4567438

skelet666 [1.2K]

Answer: not rounded: 39.37694907

Rounded to the nearest tenth: 39.4

Step-by-step explanation:

I suggest using a calculator lol! Hope this helped!

4 0

3 years ago

Factor $\frac{1}{3}$out of $\frac{1}{3}x-\frac{7}{3}$

blagie [28]

Put x-7 in the box and that should wor

5 0

3 years ago

What is the mathematical induction of <br> 1+3+5+...+(2n-1)=n^2

Lena [83]

Let $S(n)$ be the statement that

$1+3+5+\cdots+(2n-1)=\displaystyle\sum_{k=1}^n(2k-1)=n^2$

Check to see that $S(n)$ holds for $n=1$ :

$\displaystyle\sum_{k=1}^1(2k-1)=1=1^2\implies S(1)\text{ is true}$

Now suppose that $S(N)$ is true, and use that assumption to show that $S(N+1)$ must also be true. When $n=N+1$ , you have

$\displaystyle\sum_{k=1}^{N+1}(2k-1)=\sum_{k=1}^N(2k-1)+2(N+1)-1$
$=N^2+2(N+1)-1$
$=N^2+2N+1$
$=(N+1)^2$

and so $S(N+1)$ is also true, thus proving the statement is true for all $n$ .

6 0

4 years ago

Solve for x.

Inessa05 [86]

Answer:

x = 415.05

Step-by-step explanation:

2(x − 412) = -6.1

=> x - 412 = -6.1/2

=> x - 412 = 3.05

=> x = 3.05 + 412

=> x = 415.05

3 0

3 years ago

Read 2 more answers

Multiply the Polynomials:<br><br> (2x+3) (-x+2y-4)

GREYUIT [131]

The result of multiplying the polynomials is (2x + 3) (-x + 2y - 4) = -2x² + 4xy - 11x + 6y - 12

<h3>How to multiply the polynomials?</h3>

The polynomial expression is given as

(2x + 3) (-x + 2y - 4)

Expand the brackets in the above polynomial expression

So, we have

(2x + 3) (-x + 2y - 4) = 2x * (-x + 2y - 4) + 3 * (-x + 2y - 4)

Open the brackets in the above polynomial expression

So, we have

(2x + 3) (-x + 2y - 4) = -2x² + 4xy - 8x + -3x + 6y - 12

Evaluate the like terms in the above polynomial expression

So, we have

(2x + 3) (-x + 2y - 4) = -2x² + 4xy - 11x + 6y - 12

Hence, the solution is -2x² + 4xy - 11x + 6y - 12