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katen-ka-za [31]

3 years ago

13

Combine like terms to create an equivalent expression. -5.8c + 4.2 - 3.1 +1.4c

1 answer:

olga2289 [7]3 years ago

6 0

Answer:

-4.4c +1.1

Step-by-step explanation:

-5.8c + 1.4c = -4.4c

4.2 + (-3.1) = 1.1

-4.4c + 1.1

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den301095 [7]

Answer:

Step-by-step explanation:

The stuff that is yellow is the answer!

6 0

3 years ago

What is addition property

n200080 [17]

Answer:

When we add two or more whole numbers, their sum is the same regardless of the order of the addends. The sum of both 2 + 4 and 4 + 2 is 6. That means, we can add whole numbers in any order. When three or more numbers are added, the sum is the same regardless of the grouping of the addends.

Step-by-step explanation:

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6 0

3 years ago

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The Brown family bought 9 bags of cookies. Each bag had 16 cookies. They have since eaten 26 of the cookies. How many cookies do

grigory [225]

Answer:

118 cookies

Step-by-step explanation:

1. 9x 16

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3 0

2 years ago

Find the value of k by<br>quardractic equation two real and equal roots<br>5x - 2kx +20=0

kotegsom [21]

Answer:

k = +10 or -10

Step-by-step explanation:

It's given in the question that the roots of the eqn. are real and equal. So , the discriminant of the eqn. should be equal to 0.

$= > {b}^{2} - 4ac = 0$

$= > {( - 2k)}^{2} - 4 \times 5 \times 20 = 0$

$= > 4 {k}^{2} - 400 = 0$

$= > 4( {k}^{2} - 100) = 0$

$= > {k}^{2} - 100 = 0$

$= > k = \sqrt{100} = + 10 \: or \: - 10$

3 0

2 years ago

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There were 35,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paper

bija089 [108]

Answer:

3,717,000

Step-by-step explanation:

The calculation of paperback copies is shown below:-

Let us assume hardback copies is x, so paperback copies will be 9x

now the equation is

35,000 + x + 9x = 448,000

10x = 448,000 - 35,000

10x = 413,000

$= \frac{413,000}{10}$

= 41,300

Therefore, the paperback copies are

= $9\times 41,300$

= 3,717,000

Hence, the paperback copies is 3,717,000

4 0

3 years ago