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3 years ago

My name is kannmani! anyone can introduce themselves by commenting or answering!

Mathematics

1 answer:

adell [148]3 years ago

4 0

Answer:

Hi my name is Misbah! How do you do?

Step-by-step explanation:

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I cannot figure this out. Any help would be appreciated.

Lesechka [4]

So you are finding M
90+x+15+3x+15=180
4x=60
X = 15
LMN = 15+15
LMN = 30
hopefully this is correct :)

7 0

2 years ago

How many nickels in five dollars

soldi70 [24.7K]

There are 20 nickels in 1 dollar so you would do 20 x 5 which is 100

So there are 100 nickels in 5 dollars :)

Brainliest Answer please.

8 0

3 years ago

Read 2 more answers

9/20

NISA [10]

For this case we must find the solution of the following quadratic equation:

$x ^ 2 + 5x + 7 = 0$

Where:

$a = 1\\b = 5\\c = 7$

Then, the solution is given by:

$x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}$

Substituting the values:

$x = \frac {-5 \pm \sqrt {5 ^ 2-4 (1) (7)}} {2 (1)}\\x = \frac {-5 \pm \sqrt {25-28}} {2}\\x = \frac {-5 \pm \sqrt {-3}} {2}$

By definition we have: $i ^ 2 = -1$

$x = \frac {-5 \pm \sqrt {3i ^ 2}} {2}\\x = \frac {-5 \pm i \sqrt {3}} {2}$

Thus, we have two complex roots.

Answer:

The equation has no real roots.

4 0

3 years ago

Write the place vslue of 7in 67,689

Tems11 [23]

The value of 7 can be wrote as

7,000 or seven thousand

8 0

3 years ago

The distance on the number line from -10 to -2 equals 5x – 12. What is the value of x?

Troyanec [42]

It would be: - 2 - (-10) = 5x - 12

= -2 + 10 = 5x - 12

= 8 + 12 = 5x

= x = 20 / 5

= x = 4

4 0

3 years ago