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MakcuM [25]
3 years ago
13

Is the ordered pair (-2,7) a solution to the equation 18 - 4x= -2x - 12

Mathematics
1 answer:
sergeinik [125]3 years ago
5 0

Answer:

the answer is No for this question

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Nancy needs at least 1000 gigabytes of storage to take pictures and videos on her upcoming vacation. She
balandron [24]

Answer:

The answer to this question can be defined as follows:

In option 1, She buys 4 memory cards.

In option 2, The cost of memory is $40  

Step-by-step explanation:

Given:

Available space is = 105 GB

required space = 1000 GB

256 GB memory cost $10.

Find needed memory:

=  1000 GB - 105 GB

= 895 GB

∴ the available memory is 256 GB.

∵ 256 × 4 = 1024  GB

The total memory she have = 1024 + 105 = 1129 GB

And  she needs to buy 4 memory cards.

The cost of the four memory cards is= 4 ×10 =  $40.

7 0
3 years ago
Read 2 more answers
Determine whether the equation represents a direct variation. If it does, find the constant of variation. 2y=5x+1
coldgirl [10]
It does represent a direct variation.

Direct variation: y = kx
y varies directly with x

Your equation 2y = 5x + 1 is in the form of y = kx but we need to divide out the 2 from 2y so we have the following
2y = 5x + 1
2y / 2 = 5 x/ 2 + 1/2
y = 5x / 2  + 1/2
y = kx
k = 5/2
k = constant of variation = 5/2
6 0
3 years ago
Read 2 more answers
Find the area of the figure. (Sides meet at right angles.)
user100 [1]
Area is 50 m^2
5 x 3 = 15
7 x 5 = 35
35 + 15 = 50 m^2
6 0
3 years ago
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Simplify to create an equivalent expression.<br> −5(1−5k)−4(2k+5)
BabaBlast [244]

Answer:

17 k + -25

Step-by-step explanation:

Simplify the following:

-5 (1 - 5 k) - 4 (2 k + 5)

-5 (1 - 5 k) = 25 k - 5:

25 k - 5 - 4 (2 k + 5)

-4 (2 k + 5) = -8 k - 20:

25 k + -8 k - 20 - 5

Grouping like terms, 25 k - 8 k - 20 - 5 = (25 k - 8 k) + (-5 - 20):

(25 k - 8 k) + (-5 - 20)

25 k - 8 k = 17 k:

17 k + (-5 - 20)

-5 - 20 = -25:

Answer: 17 k + -25

7 0
3 years ago
Read 2 more answers
How are integers and rational<br> numbers different?
gavmur [86]

Answer:

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Step-by-step explanation: its not a number  ☺️

4 0
3 years ago
Read 2 more answers
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