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3 years ago

20 less than 5 times a number is 85. What is the number

Mathematics

1 answer:

AveGali [126]3 years ago

5 0

Answer: I don’t understand the question??

Step-by-step explanation: Can you say the question again like the same way the homework does

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Write a cubic function whose graph goes through the points: (-5, 0) (1, 0) (2, -2) (4, 0)

Free_Kalibri [48]

Answer:

f(x) = $\frac{1}{7}(x+5)(x-1)(x-4)$

Step-by-step explanation:

Let the equation of the give cubic function is,

f(x) = p(x - a)(x - b)(x - c)

Here, a, b, c and d are the x-intercepts of the given graph.

Since, x-intercepts given in the graph are x = -5, 1 and 4,

Equation of the curve will be,

f(x) = p(x + 5)(x - 1)(x - 4)

Since, the graph of this function passes through (2, -2) also

-2 = p(2 + 5)(2 - 1)(2 - 4)

-2 = -p(14)

p = $\frac{2}{14}$

p = $\frac{1}{7}$

Therefore, equation will be,

f(x) = $\frac{1}{7}(x+5)(x-1)(x-4)$

5 0

3 years ago

What is the quotient?<br> 5-6/53

madreJ [45]

Answer:

-1/53

Step-by-step explanation:

6 0

3 years ago

Dori spent 1/5 of her money on a toy boat and scuba goggles. The toy boat cost 2 times as much as the goggles. The toy boat cost

Korolek [52]

Answer:

Dori has $48 left.

Step-by-step explanation:

The boat costs twice as much as the goggles, divide 8 by 2 to find the price of the goggles. The price of the goggles is $4.

Add $8 and $4 to get $12. This is the total money Dori spent.

Since this is 1/5 of her money, multiply $12 by 5 to get $60. This is the money Dori had.

Subtract the $12 from the $60 to get $48. This is the money Dori has left.

4 0

2 years ago

Julie rides her bike form the sports complex to school. the she rides from the school to the mall, and then to the library. kyle

Svetllana [295]

Between the two persons presented above, Julie had ridden farther. This is because from the routes she had taken, she would be covering greater distance compared to Kyle. Julie still ad to ride from the complex to school.

6 0

3 years ago

Read 2 more answers

Scientists estimate the rate of a kangaroo pouncing at full speed to be 66 feet per second. Write a function rule to describe th

aleksandrvk [35]

Distance equals rate times time, so:
D = (66 ft/s) * t

4 0

3 years ago