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inessss [21]
3 years ago
8

Evaluate 2ac plus 3bc minus abc when a is equal 2 and b equal 2 and c equal 4​

Mathematics
1 answer:
vfiekz [6]3 years ago
8 0

Answer:

24

Step-by-step explanation:

The algebraic expression is:

2ac + 3bc - abc

a = 2, b = 2, c = 4

2ac + 3bc - abc = 2(2)(4) + 3(2)(4) - (2)(2)(4) = 16 + 24 - 16 = 24

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Klio2033 [76]
1/2; there’s always a chance to get either heads or tail, and it doesn’t change after a toss
4 0
3 years ago
You mix 1/3
Oksana_A [137]

Answer:

1 quart blue + 1 1/2 quart red

Step-by-step explanation:

Given:

Ratio of blue paint : red paint = 1/3 : 1/2

simplifying this ratio into whole numbers by multiplying both sides by 2 and 3, we get:

(1/3) x (3x2) : (1/2) x (3x2)

2 : 3

From this we can determine the fractions of red and blue paint used in any total purple mix

fraction of blue paint = 2/(2+3) = 2/5 of purple mix

fraction of red paint = 3/(2+3) = 3/5 of purple mix

we are given that we want to make 2 1/2  (= 5/2) quarts of purple paint

hence

amount of blue paint

= fraction of blue paint in purple mix x total amount of purple paint

= (2/5) x (5/2) = 1 quart

amount of red paint

= fraction of redpaint in purple mix x total amount of purple paint

= (3 /5) x (5/2) = 3/2 quart = 1 1/2 quart

5 0
3 years ago
Here another question on my math quiz "Lucas is making one dozen snacks for his team. He uses 1/4 cup of dried cherries and 2/4
Angelina_Jolie [31]

Answer:

3 cups of dried cherries and 6 cups of drief apricots.

Step-by-step explanation:

one dozen is 12. So,

substitute 1 in 1/4 to 12/4, and 2 in 2/4 to 24/4.

i said 24 for the last one since 2×12=24. so, now we just devide....

12/4=3 and 24/4=6. so you'd need 3 cups of dried cherries and 6 cups of dried apricots total.

6 0
3 years ago
A)none <br> B)7<br> C)6i<br> D)I-6<br> E) - square of 7<br> ( look at the picture better)
Anika [276]

The correct answer is A). None

Step-by-step explanation:

The given quadratic polynomial has 3 roots and some of roots are x=\sqrt{7} and x=6+i

It is necessary to note that one of the roots is a complex number and root of complex number always in pair of the conjugate to each other.

Since x=6+i

Conjugate of (6+i) is (6-i)

<em>Therefore, (6-i) is 3rd required root of a polynomial </em>

<em>The correct answer is A). None</em>

4 0
4 years ago
Elle has a sticker book with 12 pages of stickers. Her friend Erin's book has 3 times more pages. How many pages are in Erin's b
Fed [463]

Answer:

36 pages

Step-by-step explanation:

12 multiplied by 3 is 36

5 0
3 years ago
Read 2 more answers
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