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Diano4ka-milaya [45]
3 years ago
12

Nine times the sum of a number and two is forty five. What is the number? {Write an equation.}

Mathematics
1 answer:
shusha [124]3 years ago
3 0

Answer:

Step-by-step explanation:

9*n+2=45

9*n+2-2=45-2

9*n=43

<u>9n</u>=<u>43</u>

9     9

n=4 7/9

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Use integration by parts to find the integrals in Exercise.<br> ∫(4x-12)e-8x dx.
stepladder [879]

Answer:

e(2x^{2} -12x)-4x^{2}+C

Step-by-step explanation:

We have been given an indefinite integral as \int \left(4x-12\right)e-8x\:dx. We are asked to find the given integral.

Let us solve our given problem.

\int \left(4x-12\right)e\:dx-\int 8x\:dx

Take out constant:

e\int \left(4x-12\right)\:dx-8\int x\:dx

e(\int 4x\:dx -\int 12\right\:dx)-8\int x\:dx

e(\frac{4x^{1+1}}{2} -12x)-8*\frac{x^{1+1}}{1+1}+C

e(\frac{4x^{2}}{2} -12x)-8*\frac{x^{2}}{2}+C

e(2x^{2} -12x)-4x^{2}+C

Therefore, our required integral would be e(2x^{2} -12x)-4x^{2}+C.

5 0
3 years ago
Find the unit price of a 3-pack of bottled juice for$6.75. how much does 1 bottle cost.​
Olin [163]

Answer:

the answer is 2.25

Step-by-step explanation:

you divide 6.75÷ 3

6 0
3 years ago
Read 2 more answers
Add the two expressions. 8.9x−5 and −6.8x+8 Enter your answer, in simplified form, in the box.
Verizon [17]
Let's simplify step-by-step.<span><span><span><span>8.9x</span>−5</span>−<span>6.8x</span></span>+8</span><span>=<span><span><span><span><span><span>8.9x</span>+</span>−5</span>+</span>−<span>6.8x</span></span>+<span>8

</span></span></span>Combine Like Terms:<span>=<span><span><span><span>8.9x</span>+<span>−5</span></span>+<span>−<span>6.8x</span></span></span>+8</span></span><span>=<span><span>(<span><span>8.9x</span>+<span>−<span>6.8x</span></span></span>)</span>+<span>(<span><span>−5</span>+8</span>)</span></span></span><span>=<span><span>2.1x</span>+<span>3

The simplified answer is </span></span></span><span><span>2.1x</span>+<span>3</span></span>
8 0
3 years ago
Help mathematics need answer asap
Elina [12.6K]
Idk but it can't be 10 or 9.7 bc a triangle's hypotenuse is always longer than its legs
5 0
3 years ago
I need help please and thanks
lakkis [162]

Answer:

the answer is associative

Step-by-step explanation:

3 0
3 years ago
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