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3 years ago

What is the Value of x? 30 = x -17

Mathematics

2 answers:

iren [92.7K]3 years ago

5 0

47, you would add the seventeen to the opposite side.

Nuetrik [128]3 years ago

5 0

To find the value of x, you need to add 30 and 17 to get the answer. So 30+17= 47.

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The sum of two numbers is ten. One number is twenty less than four times the other. Find the numbers

Brut [27]

Answer:

6 and 4

Step-by-step explanation:

Let one number be x.

Then another will be : 4x - 20

In accordance with the question;

x + 4x - 20 = 10

5x = 10 + 20

x = 30/5

= 6

x = 6

4x - 20 = 4×6 - 20 = 4

So, the numbers are 6 and 4.

5 0

1 year ago

X + y = -1<br> 4x - 2y = -16

djyliett [7]

Answer:

$x=-3 \\and\\ y=2$

Step-by-step explanation:

$x + y = -1$ Equation:1

$4x - 2y = -16$ Equation:2

Solving Equation:1

$x+y=-1$

Subtracting 'y' from both the sides:

$x+y-y=-1-y\\\\x=-1-y$

Putting 'x' in Equation :2

$4(-1-y)-2y=-16\\\\-4-4y-2y=-16\\\\-4-6y=-16$

Adding '4' both the sides

$-6y=-16+4\\\\-6y=-12\\\\y=-12/-6\\\\y=2$

Putting the value of 'y' in equation:1

$x+y=-1$

$x+(2)=-1\\\\x=-1-2\\\\x=-3\\$

The solution is:

$x=-3 \\and\\ y=2$

6 0

2 years ago

if you guys can make it out can you help me find the length of the small right triangle? sorry its really bad drawn

Taya2010 [7]

Answer:

32.0

Step-by-step explanation:

i really can't explain it but comment if need more help

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3 0

2 years ago

What is the least common multiple of 2x^2 and 4x+12

Shalnov [3]

Answer:

4 x ^2 ( x + 3 )

Step-by-step explanation:

The least common multiple (LCM) of two or more non-zero whole numbers is the smallest whole number that is divisible by each of those numbers. In other words, the LCM is the smallest number that all of the numbers divide into evenly.

4 0

2 years ago

a circled circumference is approximately 44cm

Sindrei [870]

Answer:

1. The circle’s radius is approximately 14 cm.

2. The circle’s radius is approximately 7 cm.

3. The circle’s area is approximately 154 cm2

Question:a circled circumference is approximately 44cm

Complete each statement using one of these values : 7,11,14,22,88,138,154,196,380,616, Answers without letters: 1. 14cm 2. 7cm 3. 154 cm2

4 0

2 years ago