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Rufina [12.5K]
3 years ago
12

I need help on the second problem!!!

Mathematics
1 answer:
Levart [38]3 years ago
5 0
Answer:

They are correct.

Explanation:

Since adding two exponents only happens when you multiply two identical bases, that way of solving it is valid.

Hopefully this helped!
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College Math! Pls help
77julia77 [94]

Answer:

right: 11.15

left: 17.15

Step-by-step explanation:

right formula: \int _a^bf\left(x\right)dx\:\approx \Delta \:x\left(f\left(x_1\right)+f\left(x_2\right)+...+f\left(x_n\right)\right)

left formula: \int _a^bf\left(x\right)dx\:\approx \Delta \:x\left(f\left(x_0\right)+f\left(x_1\right)+...+f\left(x_{n-1}\right)\right),

\Delta \:x\:=\:\frac{b-a}{n}

estimating : \int _1^7\left(\frac{7}{x}\right)dx , with n = 6 (number of sub-intervals in Riemann sum)

right: 1 \left(f\left(x_1\right)+f\left(x_2\right)+f\left(x_3\right)+f\left(x_4\right)+f\left(x_5\right)+f\left(x_6\right)\right) =1\cdot \left(\frac{7}{2}+\frac{7}{3}+\frac{7}{4}+\frac{7}{5}+\frac{7}{6}+1\right) = 11.5

left: 1\cdot \left(f\left(x_0\right)+f\left(x_1\right)+f\left(x_2\right)+f\left(x_3\right)+f\left(x_4\right)+f\left(x_5\right)\right) =

1\cdot \left(7+\frac{7}{2}+\frac{7}{3}+\frac{7}{4}+\frac{7}{5}+\frac{7}{6}\right) = 17.15

4 0
3 years ago
GEOMETRY!!!! HELP PLS THANK U
Nana76 [90]

Answer:

i think the answer is 45 degrees

Step-by-step explanation:

6 0
3 years ago
When you multiply a positive integer by a positive integer is the result positive or negative?
Usimov [2.4K]
<span>When you multiply a positive integer by a positive integer then the result must be a Positive Integer.

Hope this helps!
</span>
5 0
3 years ago
8t + 5 = 6t + 1<br><br> a<br> 2<br> b<br> -2<br> c<br> 7
Maksim231197 [3]

Answer:b -2

Step-by-step explanation:

8t + 5 = 6t + 1 subtract 1 from both sides

8t + 4 = 6t subtract 8t from both sides

4 = -2t divide -2 from both sides

-2 = t

Have a nice day :)

8 0
3 years ago
Read 2 more answers
GIVING BRAINLIEST how much tens can go in 1,000
Nastasia [14]
100. 100 times 10 = 1000
4 0
3 years ago
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