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Inessa [10]
4 years ago
12

Express each as a single power of 2 2aX2bX2c/2a+b

Mathematics
1 answer:
Lyrx [107]4 years ago
5 0
4ab x c/a + b = 4abc/a + b = 4bc + b = b ( 4c + 1 ) 
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Timothy wants to build a deck with a length that is 4 less than twice its width and an area that is at least 140 square feet. Wh
Verizon [17]

Answer:

2w^2 - 4w > 140

Step-by-step explanation:

Hi :)

4 0
3 years ago
Please help Ladder question!!
PIT_PIT [208]

Answer:

Step-by-step explanation:

This is a related rates problem from calculus using implicit differentiation. The main equation is going to be Pythagorean's Theorem and then the derivative of that. Pythagorean's Theorem is

x^2+y^2=c^2 where c is the hypotenuse and is a constant. Therefore, the derivative of this with respect to time, and using implicit differentiation is

2x\frac{dx}{dt}+2y\frac{dy}{dt}=0 and dividing everything by 2 to simplify a bit:

x\frac{dx}{dt}+y\frac{dy}{dt}=0. Upon analyzing that equation, it looks like we need values for x, y, \frac{dx}{dt}, and \frac{dy}{dt}. And here's what we were given:

\theta=45 and \frac{dx}{dt}=.5  In the greater realm of things, that's nothing at all.

BUT we can use the right triangle and the angle we were given to find both x and y. The problem we are looking to solve is to

Find \frac{dy}{dt} at the instant that \frac{dx}{dt} = .5.

Solving for x and y:

tan45=\frac{x}{6} and

6tan45 = x ( and since this is a 45-45-90 triangle, y = x):

6(\frac{\sqrt{2} }{2})=x=y so

x=y=3\sqrt{2} and now we can fill in our derivative. Remember the derivative was found to be

x\frac{dx}{dt}+y\frac{dy}{dt}=0 so

3\sqrt{2}(\frac{1}{2})+3\sqrt{2}\frac{dy}{dt}=0 and

\frac{3\sqrt{2} }{2}+3\sqrt{2} \frac{dy}{dt}=0 and

3\sqrt{2}\frac{dy}{dt}=-\frac{3\sqrt{2} }{2} and multiplying by the reciprocal of the left gives us:

\frac{dy}{dt}=-\frac{3\sqrt{2} }{2}(\frac{1}{3\sqrt{2} }) so

\frac{dy}{dt}=-\frac{1}{2}\frac{m}{s}

8 0
3 years ago
Simplify 5x+3x+2y+4y halp
konstantin123 [22]

Answer:

8x+6y

Step-by-step explanation:

5x+3x+2y+4y

5x+3x= 8x

2y+4y= 6y

5 0
3 years ago
Read 2 more answers
36x+32=32x-36<br> whats the value of x
bulgar [2K]

Answer:

x = -17

Step-by-step explanation:

<u>Step 1:  Subtract 32x from both sides</u>

36x + 32 - 32x = 32x - 36 - 32x

4x + 32 = -36

<u>Step 2:  Subtract 32 from both sides</u>

<u />4x + 32 - 32 = -36 - 32

4x = -68

<u>Step 3:  Divide both sides by 4</u>

<u />4x / 4 = -68 / 4

x = -17

Answer:  x = -17

8 0
4 years ago
What additional information is needed to determine that ΔABC ≅ ΔEDC using the HL method of congruence? answers: A) ≅ B) No addit
Savatey [412]

Answer:

AC congruent to EC

Step-by-step explanation:

This problem is asking specifically to prove triangles congruent using HL.

HL is a method of proving triangles congruent. HL stands for Hypotenuse-Leg. If you can show that the hypotenuse and leg of one right triangle are congruent to the hypotenuse and leg, respectively, of another triangle, then the triangles are congruent.

Looking at triangle ABC and EDC, we see that the legs AB and ED are congruent. We already have a pair of corresponding congruent legs. Now we need a pair of hypotenuses.

You need AC congruent to EC.

7 0
4 years ago
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