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4 years ago

What is 12minus 2 multiply 6 plus 2 divide by 2

Mathematics

2 answers:

meriva4 years ago

6 0

$12-2*6+2/2
 \\ PEMDAS
 \\ 12-(2*6)+(2/2)
 \\ 12-12+1
 \\ 1$

defon4 years ago

5 0

$12-2*6+ \frac{2}{2} \\ \\ =12-12+1 \\ \\ =1$

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The equation d = 2t + 8 gives d, the total depth in inches of accumulated snow based on t, the time in hours since a storm began

ruslelena [56]

Answer:

It is expected to fall 2 inches of snow for each additional hour.

Step-by-step explanation:

As we want to find the amount of snow that will fall for each additional hour, we just need to use slope of the equation.

The slope is the value '2' that is together with the variable 't', and it means that if we increase the value of t by 1 unit, the value of d will increase by 2 units.

So we have that for each additional hour, it is expected to fall 2 inches of snow.

7 0

3 years ago

Which of the following is the solution to the differential equation dP/dt+P=10 with the initial condition P(0)=4

Ber [7]

Answer:

Option C. $P=10-6e^{-t}$

Explanation:

1. Separate variables:

$\dfrac{dP}{dt}+P=10\\ \\ \\ \\\dfrac{dP}{dt}=-P+10\\ \\ \\ \dfrac{dP}{-P+10}=dt$

2. Find the indefinite integrals

$-\ln{(10-P)}=t+C$

3. Solve for P

$10-P=e^{-t+C}\\ \\ 10-P=Ke^{-t}\\ \\ P=10-Ke^{-t}$

4. Use the initial condition, P(0) = 4, to find K:

4 = 10 - K(e⁰)

4 = 10 - K

K = 10 - 4

K = 6

5. Substitute K = 6 into the integrated equation:

$P=10-6e^{-t}$

That is the option C.

4 0

3 years ago

Solve for X then find the measure of

Savatey [412]

Answer:

x=11

m<a=80º

m<b=80º

Step-by-step explanation:

They are congruent so

8x-8=5x+25

8x=5x+33

3x=33

x=11

6 0

3 years ago

Read 2 more answers

This is so stressful, i’ve tried everything and I don’t get this at all.

yuradex [85]

N = 5

These are similar triangles so their sides are proportional. The scale factor is the smaller triangle to the large triangle is

5/12.5 = 4/10 = 2/5

So if AB corresponds to QR (2 corresponds to n) then n = 5

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2 years ago

the lengt of a rectangular garden is represent by 3x - 4 and the width is tepresented by 2x - 5. which of the fallowing represen

N76 [4]

The correct answer would be C)6x2-23X+20

5 0

4 years ago