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3 years ago

Donald bought a box of golf balls for $9.59. There were 18 golf balls in the box. About how much did each golf ball cost?

2 answers:

4 0

One pack costs $9.59, which contains 18 balls. To obtain the cost of each ball, you divide $9.59 by 18, which is about 53 cents

d1i1m1o1n [39]3 years ago

3 0

The price (9.59) divided by the number of golf balls (18).

9.59 (divided by) 18 = .53

One golf ball cost around $0.53 or 53 cents.

You can also check the work by multiplying 18 by 0.53 which is 9.59.

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If y = 3x3 – 2x and dx, dt equals 3, find dy, dt when x = –2. Give only the numerical answer. For example, if dy, dt = 4, type o

nlexa [21]

y=3x^3-2x, dx/dy =3

dy/dt= ? (when x=-2)

dy/dt= d/dt (3x^3 -2x)

= 9x^2(dx/dt) -2(dx/dt)

= 9(-2)^2 * 3 - (2*3)

= 9(4)*3 -6

= 102

4 0

3 years ago

Please help with this

OverLord2011 [107]

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7 0

3 years ago

El área de la región rectangular es 4400cm2. Calcula el valor de m

Roman55 [17]

Answer:

m=52.17

Step-by-step explanation:

<em>The complete question in Spanish is</em>

El área de la región rectangular es 4400 cm2. Calcular el valor de m

largo :2m-20

ancho: m

<em>The question in English is</em>

The area of the rectangular region is 4400 cm2. Calculate the value of m

length :2m-20

width: m

we know that

The area of a rectangle is equal to

$A=LW$

where

L is the length

W is the width

we have

$A=4,400\ cm^2$

$L=(2m-20)\ cm$

$W=m\ cm$

substitute in the formula the given values and solve for m

$4,400=(2m-20)m$

Distribute in the right side

$4,400=2m^2-20m$

$2m^2-20m-4,400=0$

Solve the quadratic equation by graphing

Using a graphing tool

The solution is m=52.17 (the positive value is the solution)

see the attached figure

8 0

3 years ago

Ronnie is thinking of a number. He says that he gets the same result when he multiplies by his number by 2 as when he adds 5 to

Anettt [7]

Let's say Ronnie is thinking of X.

If 2(x) = x+5, we would first distribute the 2.

2x = x+5

We would then need to isolate the variable. We would do so by getting all variables to one side. The easier choice would be to subtract x from both sides.

2x=x+5
-1x -1x

This becomes

x=5

Ronnie is thinking of the number five.

5•2=10 and 5+5=10.

8 0

3 years ago

36,6,-24,-54 arithmetic sequences

astra-53 [7]

Since the values are lowering each time and it is an arithmetic sequence, we can assume that each number is being subtracted by the same number. We can figure this out by setting up an equation taking two values from the sequence.
Let's use 36 and 6
36 - x = 6 which gives us 30. We can check our work by subtracting each value by 30 starting from 36.

6 0

3 years ago