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3 years ago

Answer My Question Please!!!Its 20 Points!!

Mathematics

2 answers:

Degger [83]3 years ago

8 0

GEMDAS or PEMDAS can be used. First grouping, in this case the square root of 25 which equals 5. Next, exponents. 4 squared equals 16.
16-5*2
multiply or divide before addition or subtraction (unless parenthesis is used)
16-10 equals 6.
6 is your answer. Hope this helps!

saul85 [17]3 years ago

7 0

Yo yo yo so first u simplify everything as 4^2= 16 and 25 squared is 5 so order of operations make 5*2 and that equals 10 so finally

16-10=6 so the answer is 6

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Estimate the integral ∫6,0 x^2dx by the midpoint estimate, n = 6

Anettt [7]

Splitting up the interval [0, 6] into 6 subintervals means we have

$[0,1]\cup[1,2]\cup[2,3]\cup\cdots\cup[5,6]$

and the respective midpoints are $\dfrac12,\dfrac32,\dfrac52,\ldots,\dfrac{11}2$ . We can write these sequentially as ${x_i}^*=\dfrac{2i+1}2$ where $0\le i\le5$ .

So the integral is approximately

$\displaystyle\int_0^6x^2\,\mathrm dx\approx\sum_{i=0}^5({x_i}^*)^2\Delta x_i=\frac{6-0}6\sum_{i=0}^5({x_i}^*)^2=\sum_{i=0}^5\left(\frac{2i+1}2\right)^2$

Recall that

$\displaystyle\sum_{i=1}^ni^2=\frac{n(n+1)(2n+1)}6$
$\displaystyle\sum_{i=1}^ni=\frac{n(n+1)}2$
$\displaystyle\sum_{i=1}^n1=n$

so our sum becomes

$\displaystyle\sum_{i=0}^5\left(\frac{2i+1}2\right)^2=\sum_{i=0}^5\left(i^2+i+\frac14\right)$
$=\displaystyle\frac{5(6)(11)}6+\frac{5(6)}2+\frac54=\frac{143}2$

8 0

3 years ago

Calculate the measure of the major arc MPN.

34kurt

Answer:

310°

Step-by-step explanation:

The sum of arcs around a circle is 360°.

MPN +MN = 360°

MPN = 360° -MN . . . . . . . . subtract MN

MPN = 360° -50° = 310° . . . fill in the given value

The measure of major arc MPN is 310°.

4 0

2 years ago

Two othice desks that are

alex41 [277]

Answer:

Research shows that many students who leave school without finishing year 12 will: earn less money when they start work. be more likely to have long periods of unemployment. be less likely to return to study later in life.١٢‏/١٠‏/٢٠١٨

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

What is the number property of 17+0

vladimir1956 [14]

Answer:

The identity property

Step-by-step explanation:

anything added to 0 is itself.

8 0

3 years ago

Mrs. Rodriguez is going to use 6 1/3 yards of material to make two dresses . the large dress requires3 2/3 yards of material. ho

Dmitry_Shevchenko [17]

Answer:

She has 6 1/3. The larger dress need 3 2/3. So 6 1/3 - 3 2/3 = 2 2/3

So Mrs. Rodriguez will need 2 2/3 for the smaller dress

Step-by-step explanation:

7 0

3 years ago