3 years ago

M^2 + 2m - 15 =0 sorry

Mathematics

1 answer:

agasfer [191]3 years ago

3 0

(m - 3)(m + 5)= 0
m= {3, -5}

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ASAP !!

brilliants [131]

Answer:

Step-by-step explanation:

8 0

3 years ago

What is 1/1 minus 7/12

Stolb23 [73]

5/12 because 1/1 is a whole, 1, so all you have to do is 1 - 7/12.

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3 years ago

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In a class of 40 students, 5 like neither Nokia nor

Vikki [24]

Answer:

No student liked only Nokia

Step-by-step explanation:

The information can be illustrated as shown on the Venn diagram.

The number of students who liked only Nokia is x.

The sum of all regions in the Venn diagram should be 40.

We add all to get:

$5 + 5 + 30 + x = 40$

$40 + x = 40$

$x = 40 - 40$

$x = 0$

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8 0

3 years ago

Factor the expression<br> C^2 - 2c - 63

vagabundo [1.1K]

Answer:

(c + 7) ( c - 9)

Step-by-step explanation:

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3 years ago

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Due to ever-changing technology, a new XYZ Smartphone decreases in value 20% each year. (a) How much will this $1000 phone be wo

neonofarm [45]

Answer:

1.) $640 2.) 7 years.

Step-by-step explanation:

1000 x .2 = 200 1 yr

1000 - 200 = 800

800 x .2 = 160 2 yrs

800 - 160 = 640

640 x .2 = 128 3 yrs

640 - 128 = 512

ANYWAYS THIS WOULD TAKE TO LONG! SO HERE IS THE ANSWER TO B.

5 0

3 years ago