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polet [3.4K]
3 years ago
12

What is the value of x

Mathematics
1 answer:
Colt1911 [192]3 years ago
7 0

Answer:

The value of x are all real number on x-axis the number that falls under x

example of the value of x are in this equation

y=2+5x

2x+6y=60

to find x

let make the first one equation 1 and the second equation 2

now, put equation 1 in equation 2

2x+6(2+5x)=92

open the by multiplying every thing in the bracket by 6

2x+12+30x=92

combine the like terms

2x+30x=69212

32x=80

now divide via by 32

32x/32=80/32

x=5/2

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3x + y = – 7<br> Solve to find were the two point intercept
Tju [1.3M]

Answer:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>
  • First we need to convert it into y=mx+c form

{:}\longrightarrow\sf 3x+y=-7

{:}\longrightarrow\sf y=-7-3x

  • Now create table using this
<h3><u>Table</u><u>:</u><u>-</u></h3>

\boxed{\begin{array}{|c|c|c|c|} x & 1 & (-1) & 0 \\ y & -10 & (-4) & -7 \end{array}}

Hence the intercepts are

\therefore\sf A (1,-10),B(-1,-4),C(0,-7)

3 0
3 years ago
Ashley has two coupons for a phone.
Andreas93 [3]
I think it’s Coupon A because the price should be 42.25 or about 42 dollars

6 0
3 years ago
Nora and Eli are making homemade spring
yawa3891 [41]

Answer:

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Step-by-step explanation:

3 0
3 years ago
A pack of 9 toilet rolls costs £4.23
OleMash [197]
 a)  9 toilet rolls cost $ 4.23
       1 toilet roll costs  $ x

          9x = 4.23 * 1
           x= 4.23 / 9
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So in first case one toilet roll costs $ 0.47.

b) 4 toilet rolls cost $1.96
    1 toilet roll costs  $ x
     
    4x = 1.96 * 1
     x = 1.96 / 4
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So in second case one toilet roll costs $ 0.49.

0.47 < 0.49
The toilet roll in first case is cheaper than the toilet roll in second case.

Hope this heps!


8 0
3 years ago
Mrs. Nixon went to the store to buy candy for her
AnnyKZ [126]

Answer:

$2.25

Step-by-step explanation:

First, we (always) highlight key details. In this case, we would highlight that th candy is 90 cents per pound, and the she bought 2.5 pounds. Now, we just multiply 2.5 by .90, and boom! We get $2.25. Mrs. Nixon spent $2.25 (or two dollars and twenty-five cents) on candy bars.

8 0
3 years ago
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