Help plis help Question 1

Question 9

timurjin [86]

Answer:

The required number is 70.

Step-by-step explanation:

let the no. be 10y + x where x is unit digit and y is ten's digit.

given , sum of the digit is 7

x + y = 7 ...(1)

also , reversing the no. we get 10x + y ,where x is ten's digit and y is unit digit.

given reversed digit decreases the number by 63 .

so, 10y + x - ( 10x + y ) = 63

9y -9x = 63

( dividing both side by 9 )

y - x = 7 ....(2)

adding 1 and 2 [ refer attachment ]

so the required original number is

10y + x = 10×7+0 = 70

8 0

2 years ago

Which equation shows a y- intercept of -5

Assoli18 [71]

Hi there!

»»————-　★　————-««

I believe your answer is:

Option B) $y=x-5$

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Here’s why:

Most options (Second, Third, and Fourth) are in slope intercept form.

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$\boxed{\text{Slope-Intercept Form}}\\\\y=mx + b\\\\\boxed{\text{Key:}}\\\\m - \text{The Slope}\\\\b- \text{The Y-Intercept}$

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We are looking for the equation where '-5' is in b's place.

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$\boxed{\text{Which equation shows a y-intercept of -5?}}\\\\---------\\\text{A}) -5y = x\\\\\text{This equation in slope-intercept form is }y=\frac{1}{5}x.\\\\\text{The 'b' part is not shown. This means that the line passes through the}\\\text{origin.}\\\\---------\\\\\text{B})\text{ }y = x-5\\\\\text{This option shows a slope of one and a y-intercept of -5.} \\\\\text{Therefore, \boxed{\text{option B is the correct answer.}}}\\\\----------\\\text{Option C has a y-intercept of 5, and Option D has a}\\$

$\text{y-intercept of 1.}$

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»»————-　★　————-««

Hope this helps you. I apologize if it’s incorrect.

8 0

3 years ago

Which values from the given replacement set make up the solution set of the inequality?

soldi70 [24.7K]

Answer:

8,9 10

Step-by-step explanation:

when u add them they are all less than 18

3 0

3 years ago

Evaluate the expression 15x + 4 for x = −1 1/2 (20 points + Brainliest for right answer)

SpyIntel [72]

Answer:

11/-30 Hope this helped :)

Step-by-step explanation:

15x + 4 = -1 1/2

15x = -5 1/2

x = 11/-2*1/15

x = - 11/-30

7 0

3 years ago

192 fl oz = how many pt

castortr0y [4]

12, 12 pints1 pint = 16 ounces 1 ounce = 0.06 pin

8 0

3 years ago