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3 years ago

Use parentheses to make this statement true: 8 x 4 - 2 x 3 + 8 / 2 = 25

Mathematics

2 answers:

Vladimir79 [104]3 years ago

7 0

(8 times 4) - (2 times 3 = 8) divided by 2

ch4aika [34]3 years ago

7 0

(8 x 4) - (((2 x 3) + 8)/2)=25

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What is 71/9 written as a mixed number

mamaluj [8]

You divide 71 by 9 to get 7 8/9

6 0

4 years ago

Read 2 more answers

AC if TC = 20q + 10q^2?

Alexus [3.1K]

Answer:

AC = (20+ 10q)

Step-by-step explanation:

Given that,

Total cost, TC = 20q + 10q²

We need to find AC i.e. average cost.

It can be solved as follows :

$AC=\dfrac{TC}{q}\\\\AC=\dfrac{20q + 10q^2}{q}\\\\AC=\dfrac{q(20+ 10q)}{q}\\\\AC={(20+ 10q)}$

So, the value of AC is (20+ 10q).

4 0

3 years ago

Use the distributive property to write the expression as a product<br> 10+70x

grigory [225]

Answer:

$10(1+7x)$

Step-by-step explanation:

Just factored out the 10.

4 0

3 years ago

Seventy cards are numbered 1 through 70 , one number per card. One card is randomly selected from the deck. What is the probabil

Vanyuwa [196]

Answer:

$Probability = \frac{2}{35}$

Step-by-step explanation:

Given

$Total = 70$

First, we need to list the multiples of 5

$M_5 = \{5,10,15,20,25,30,35,40,45,50,55,60,65,70\}$

Then, multiples of 3 $M_3 = \{3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69\}$

Next, is to list out the common elements in both

$M_3\ n\ M_5 = \{15,30,45,60\}$

$n(M_3\ n\ M_5) = 4$

The required probability is then calculated as thus:

$Probability = \frac{n(M_3\ n\ M_5)}{Total}$

$Probability = \frac{4}{70}$

$Probability = \frac{2}{35}$

7 0

3 years ago

F(x) = x2 - 4x - 21.

mote1985 [20]

Answer:

y-intercept = (0,-21)

vertex = (2,-25)

Step-by-step explanation:

8 0

3 years ago