The product of d and 4

Answers

Answer 1

Answer:

Answer: 4d

Step-by-step explanation:

Product means multiplication, so the product of d and 4 means d times 4.

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The minute hand of a clock is 9.5cm long. How far will the hand travel in one day, to the nearest meter

Answers

136.8 meter, or 137 meters

Work:

60 minutes x 24 hours =
1,440 minutes in a day

1,440 minutes x 9.5 cm =
13,680 centimeters

13,680 cm = 136.8 meters // 137

A litter of six Labrador puppies eat 14 pounds of each day at this rate how many pounds of food will 18 Labrador puppies eat?

Answers

Answer:

Step-by-step explanation:

Given x varies inversely with y and xy = 2, what is the value of x when y = 1?a) -1

b) 1/2

c)1

d) 2

Answers

Answer is (d).

Let's take the constant as K.
x=K. (1/y)----(1)'
K= xy
so; according to the data given above K=2.

Let's substitute K=2 & y=1 to ----(1)'

x=2x (1/1)
x= 2×1
so x = 2... :)

Simplify the rational expression. State any excluded values.

Answers

So on the top, you split it up using the difference of squares rule.
You get (x - 6)(x + 6) on the top.

On the bottom, you can undistribute (pull out) -7x.
This gives you -7x(x-6) on the bottom.

Now you can cancel like terms in the numerator and denominator.
You can cancel the (x-6).
You can also move the negative sign from the 7x to the (x + 6)

This leaves you with -(x + 6) over 7x, or (6 - x) over 7x.

To find excluded values, all you need to know is that you can't divide by zero under any circumstances, and you can't have a zero on the top in a rational expression.
The only values for x that would make either of these statements true are if x = 0 (7 × 0 = 0 on the bottom), or if x = 6 (6 - 6 +0 on the top)

So the answer is (6 - x) over 7x, x ≠ 0, 6

294 miles every 14 gallons find the unit rate

Answers

Answer:

21miles

Step-by-step explanation:

If there are 24miles for every 14gallons,

294miles = 14gallons... 1)

To find the unit rate means finding the number of miles for just 1 gallon

xmiles = 1gallon ... (2)

Cross multiplying equation 1 and 2, we have!

294× 1 = 14x

x = 294/14

x = 21miles

The unit rate is 21miles

When you are asked o find the unit rate, you have to take note of the ratio the problem is given to you. In here, you have 294 miles every 14 gallons. All you need to do is to divide it. 294/14 = 21 miles per gallon.

What can multiply to 1500 and add up to 20

Answers

0.01333333333333333333333333333333

because 0.01333333333333333333333333333333*1500=20

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