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3 years ago

Evaluate the expression when c=3 and x=-5. c-7x

Mathematics

2 answers:

Sonja [21]3 years ago

8 0

Look at the attached picture⤴

Hope it will help u....

Nookie1986 [14]3 years ago

7 0

Steps to solve:

c - 7x; c = 3, x = -5

~Substitute

3 - 7(-5)

~Multiply

3 - (-35)

~Simplify

3 + 35

~Add

Best of Luck!

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By selling a watch on 400 and 460’. Loss and profit happened respectively.if the loss and profit are equal, find cp.

Maslowich

Answer:

430

Step-by-step explanation:

Given :-

By selling a watch on 400 and 460’. Loss and profit happened respectively.
The loss and profit are equal.

And we need to find out the CP .So ,

Let :-

CP be x
Profit and Lost be y .

According to the Question :-

$:\implies$ 460 = x + y ( Profit)

$:\implies$ 400 = x - y ( Loss)

Adding both :-

$:\implies$ 460 + 400 = x + y + x - y

$:\implies$ 860 = 2x

$:\implies$ x = 860/2

$:\implies$ x = 430

Hence the Cost price of the watch is 430 .

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3 years ago

What is 3/7 of 49? And how do you get the answer?

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Answer: 21 goodluck

Step-by-step explanation:

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3 years ago

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A rental hall has 60 tables.

luda_lava [24]

Answer:for the second question/First question that is unsolved it's

350

for the second unsolved question its200

for the third unsolved one its 550

Step-by-step explanation:

The first one is wrong 55%=35

45%=25

35x10=350

25x8=200

add it =550

7 0

3 years ago

A share of stocks gained 12 points, then lost 114 points, and then gained 218 points. Find the overall change in its value.

VLD [36.1K]

Answer:

The overall change is 116points gained

Step-by-step explanation:

Points gained = 12points

Points lost = 114points

Points gained = 218points

Unknown:

Overall change in its value = ?

Solution:

The overall change = Total points gained - Total points lost

= (218 + 12) - 114

= 116points

The overall change is 116points gained

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Step-by-step explanation:

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