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3 years ago

The sum of 6 and another number is 23, write and solve an equation to find the other number

Mathematics

2 answers:

Elenna [48]3 years ago

8 0

Answer:

6+x=23

Step-by-step explanation:

So, the number you need to find is x, so x plus 6 equals 23 (the sum of the two numbers).

Hope this helped :)

zlopas [31]3 years ago

7 0

Answer: 23 - 6 = x

x = 17

Step-by-step explanation:

6 + x = 23

x = 23 - 6

23 - 6 = 17

x = 17

6 + 17 = 23

Hope this helps!

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3 years ago

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djyliett [7]

Answer:

60°

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Step-by-step explanation:

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3 years ago

3 and 1/3 +[-2 and 1/4]+1 and 5/6

IceJOKER [234]

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3 years ago

Andrew is about to leave for school. If he walks at a speed of 50 meters per minute, he will arrive 3 minutes after the bell rin

Mariana [72]

Answer:

The answer is: 13 minutes

Step-by-step explanation:

First Let us form equations with the statements in the two scenario

$time=\frac{distance}{speed}$

Let the time in which the bell rings be 'x'

1. If Andrew walks (50 meters/minute), he arrives 3 minutes after the bell rings. Therefore the time of arrival at this speed = (3 + x) minutes

$3 + x =\frac{distance}{50}\\distance = 50(3+x) - - - - - (1)$

2. If Andrew runs (80 meters/minute), he arrives 3 minutes before the bell rings. Therefore the time taken to travel the distance = (x - 3) minutes

$x - 3 = \frac{distance}{80} \\distance = 80(x-3) - - - - - (2)$

In both cases, the same distance is travelled, therefore, equation (1) = equation (2)

$50(3+x)=80(x-3)$

$150 +50x=80x-240\\$

Next, collecting like terms:

$150 + 240 = 80x - 50x\\390 = 30x\\30x = 390\\$

dividing both sides by 3:

x = 390÷30 = 13

∴ x = 13 minutes

7 0

3 years ago

Convert this equation to standard form: y=1/2x + 2/3

dsp73

The answer would be,
$- \frac{1}{2}x + y = \frac{2}{3}$
Hope this helped
:D

7 0

3 years ago