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fgiga [73]
3 years ago
7

(ab² + 13b - 4a) + (3ab² + a +7b)

Mathematics
1 answer:
Natalija [7]3 years ago
4 0

Answer:

4ab² + 20b - 3a

Step-by-step explanation:

This question most likely asks us to simplify the expression, as factoring is not possible...

(ab² + 13b - 4a) + (3ab² + a + 7b),

ab² + 13b - 4a + 3ab² + a + 7b,

ab² + 3ab² + 13b + 7b - 4a + a,

Solution : 4ab² + 20b - 3a

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Graph the equation F(x)=(1/3)^x
scoray [572]

The value of a=9,b=3 and c=1

Step-by-step explanation:

The graph shown is for function f(x)

The given function is f(x)=(\frac{1}{3}) ^{x}

Table says,

X      Y

-2      a

1        b

0       c

1     (1/3)

2    (1/9)

To find value of a:

From table, for output value a, input value, x=(-2)

we can write f(-2)=a

Therefore,

f(x)=(\frac{1}{3}) ^{x}

f(-2)=(\frac{1}{3}) ^{(-2)}

a=(\frac{1}{3^{(-2)}})

a=3^{(2)}

a=9

To find value of b:

From table, for output value a, input value, x=(-1)

we can write f(-1)=b

Therefore,

f(x)=(\frac{1}{3}) ^{x}

f(-1)=(\frac{1}{3}) ^{(-1)}

b=(\frac{1}{3^{(-1)}})

b=3^{(1)}

b=3

To find value of c:

From table, for output value a, input value, x=(0)

we can write f(0)=c

Therefore,

f(x)=(\frac{1}{3}) ^{x}

f(0)=(\frac{1}{3}) ^{(0)}

c=(\frac{1}{3^{(0)}})

c=1

5 0
3 years ago
Sam can prepare 20 wall paintings in 4 weeks. How much time will he need to
Nadusha1986 [10]
Answer:
20=4 weeks
40=8 weeks
60=12 weeks
80=16 weeks
 Hope I helped :)
3 0
3 years ago
The area of the rectangular garden is 38 1/4 square meters the width of the garden is 4 1/2meters find the length of the garden
faltersainse [42]

Answer:

Area = Length * Width

38 1/4 = L * 4 1/2

L = (38 1/4)/(4 1/2) = (153/4)/(9/2) = (153 * 2)/(4 * 9) = 17 1/2

Step-by-step explanation:

6 0
3 years ago
Look for a pattern and predict the next two numbers.<br> -3,0,3, 0, -3,__, __
Andru [333]

Answer:

Next 2 terms: 0, 3

Step-by-step explanation:

The patter in +3, +3, -3, -3

-3 + 3 = 0

0 + 3 = 3

3 - 3 = 0

0 - 3 = -3

-3 + 3 = 0

0 + 3 = 3

7 0
3 years ago
You have a coupon worth $18.00 off the purchase of a scientific calculator. At the same time the calculator is offered with a 15
olchik [2.2K]

Answer:

well using your equation p - 18 = 0.85p the answer is p = 120

when u apply p = 120 to your equation

(120) - 18 = 0.85(120)

simplify

102 = 102

I hope this helps you

8 0
4 years ago
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