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a_sh-v [17]
3 years ago
11

Find the area of the parallelogram

Mathematics
1 answer:
slava [35]3 years ago
4 0

Answer:

A = 864 cm

Step-by-step explanation:

Since the parallelogram looks like a trapezoid, I'm going to use that area formula.

The area of a trapezoid can be found with A = (a + b) h/2. So, substitute in the given values. A = (9 x 24) 8/2. A = 216 x 8/2. A = 864.

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The total length of wires A,B and C is 445cm. Wire A is 45cm longer then wire B,and wire B is half as long as wire C. How long i
dolphi86 [110]

Answer:

A = 145cm

Step-by-step explanation:

A+B+C = 445cm  

b = 1/2c

a = b+45  =  1/2c + 45

445 = c + (0.5c) + (0.5c + 45)

445 = 2c + 45

445 - 45 = 2c

400/2 = c

c = 200cm

a = 1/2c + 45 = 1/2*200 + 45 = 100 + 45 = 145cm

5 0
3 years ago
What are the solutions of the quadratic equation 49x2 = 9? x = StartFraction 1 Over 9 EndFraction and x = StartFraction negative
klemol [59]

Answer:

B C

Step-by-step explanation:

9 0
3 years ago
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The graph of the function f(x) = (x - 3)(x + 1) is shown.
pychu [463]

Answer:

Step-by-step explanation:

Option A. All the real values of x where x < -1

Procedure

Solve the inequality:

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That happens in two cases.

1) When both factors >0

x-3>0 and x+1>0

x>3 and x >-1

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2) When both factors <0

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We have obtained that the function is positive for the intervals  x < -1 and x > 3. But in one of those intervals the function is decresing and in the other is increasing.

You can recognize that the function given is a parabola and, because the coefficient of the quadratic term is positive, the parabola opens upward. Then the function is decreasing in the  first interval and increasing in the second interval.

4 0
3 years ago
Which expression can be used to determine the total weight of a box that by itself weighs 0.5 kilogram and contains t trophies t
BigorU [14]

Answer:

Option A) 1.6t+0.5

Step-by-step explanation:

Let

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we know that

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The linear equation that represent this problem is

1.6t+0.5

4 0
3 years ago
Sam can make 12 salads in 20 minutes. At that rate, how many salads could Sam make in 45 minutes? Here is another one for more p
sp2606 [1]
27 salads because if you out it in a proportion of 12/20=x/45 x= 27

the second question would be $7.40 because $29.60/4 is $7.40
5 0
3 years ago
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