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4 years ago

8

Mary has five puppies. The weights of the puppies are 6 pounds, 14 pounds, 6 pounds, 12 pounds, and 7 pounds. What is the mean w

eight of the puppies?

1 answer:

Alex73 [517]4 years ago

8 0

The mean is 11.4 pounds :)

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The graph shows a function.<br> Find the value of b and d.

True [87]

Answer:

<em>The required values are b=-6 and d=4</em>

Step-by-step explanation:

The graph corresponds to the function

$r(x) =x^2+bx^2+8x+d$

We are required to find the values of b and d.

They can be found by using two points that are clearly visible on the graph. For example, the points (0,4) and (2,0) belong to the function. Substituting their values in the function:

$4 =0^2+b*0^2+8*0+d$

Simplifying:

4 = d

d = 4

Now use the point (2,0):

$0 =2^2+b*2^2+8*2+d$

Since d=4, and calculating

$0 =4+4b+16+4$

Simplifying:

$4b = -24$

Dividing by 4:

$b = -24/4 = -6$

$b = -6$

The required values are b=-6 and d=4

5 0

3 years ago

Simplify to create an equivalent expression. 8−4(−x+5)

White raven [17]

8 - 4(-x + 5)

As you already know, in order to find the equivalent expression to our already given one, we have to simplify it first :)

8 +4x - 20

**Remember that a negative times a negative is always a positive!!**

Add like terms.

4x + (8 - 20)

Simplify.

4x + (-12)

Get rid of parenthesis.

4x - 12

Look at our answer choices.

Our answer is a. 4x - 12

~Hope I helped!~

3 0

3 years ago

If p=3(2q+r), express q in terms of p and r.

Kruka [31]

Answer:

$q=\frac{1}{6}p- \frac{1}{2}r$

Step-by-step explanation:

$p=3(2q+r)$

$2q+r=\frac{p}{3}$

$2q=\frac{p}{3} -r$

$q=\frac{p}{6}- \frac{r}{2}$

6 0

3 years ago

Best estimate for 1kg =1,000g

Sphinxa [80]

I think the answer is 1g

3 0

3 years ago

A kg of aluminum earns a collector $2.50 at the recycling center. If I collect 14 kg. Of aluminum cans, how much money will I ea

saul85 [17]

Answer:

$ 35

Step-by-step explanation:

$\frac{1}{14} = \frac{2.5}{x}$

$x = 14 \times 2.5 \\ \\ x = 35$

8 0

3 years ago

Read 2 more answers