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3 years ago

1 2/3 ÷x=2 7/9 solve for x, please

Mathematics

1 answer:

rodikova [14]3 years ago

4 0

Answer:

x = 3/5

Step-by-step explanation:

Solve for x:

5/(3 x) = 25/9

Take the reciprocal of both sides:

(3 x)/5 = 9/25

Multiply both sides by 5/3:

Answer: x = 3/5

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Archy [21]

I feel like its either b or c

3 0

3 years ago

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I need graph help plz

Likurg_2 [28]

Answer:

Step-by-step explanation:

Part A

x-intercepts of the graph → x = 0, 6

Maximum value of the graph → f(x) = 120

Part B

Increasing in the interval → 0 ≤ x ≤ 3

Decreasing in the interval → 3 < x ≤ 6

As the price of goods increase in the interval [0, 3], profit increases.

But in the price interval of (3, 6] profit of the company decreases.

Part C

Average rate of change of a function 'f' in the interval of x = a and x = b is given by,

Average rate of change = $\frac{f(b)-f(a)}{b-a}$

Therefore, average rate of change of the function in the interval x = 1 and x = 3 will be,

Average rate of change = $\frac{f(3)-f(1)}{3-1}$

= $\frac{120-60}{3-1}$

= 30

6 0

3 years ago

Choose the ratio that is equivalent to this one: 8/1<br> A) 5/40<br> B) 40/5<br> C) 13/6

Brums [2.3K]

Answer:

B) 40/5

Step-by-step explanation:

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3 years ago

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What is 2x-3y=5<br> x+2y=-1

ikadub [295]

Answer:

Step-by-step explanation:

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3 years ago

A rock is thrown into the air. The height of the rock is modeled by s(t) = −16tଶ + 64t + 80 feet for t ≥ 0 seconds. The rock hit

ExtremeBDS [4]

Answer:

144 feets

Step-by-step explanation:

Look on s(t) like quadratic function. We need to find maximum of the function using 1st diferetioal:

s(t)=-16t^2+64t+80

s’(t)=-32t+64

S’(t)=0 if t=2

For t>2, s’(t)<0

For t<2, s’(t)>0. So the maximum od function is in the point 2.

S(2)=-16*4+64*2+80=-64+128+80=144

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3 years ago