3 years ago

What are the domain and range of x= -2?

1 answer:

3 0

Answer:

The range is all real numbers, because it's a vertical line, and the domain is -2 because it's a vertical line with -2 as it's only x.

Step-by-step explanation:

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How do i find a formula for "1+3+5+7+......+(2n-1)

nata0808 [166]

Answer:

Step-by-step explanation:

common difference d=3-1=2

first term a=1

an=a+(n-1)d

2n-1=1+(l-1)2

2n-1=1+2l-2

2n-1=2l-1

l=n

(i used l for number of terms)

number of terms=n

$S_{n}=\frac{n}{2} (first ~term+last~term)\\=\frac{n}{2} (1+2n-1)\\=n^2$

7 0

3 years ago

What is this fraction in simplest form 12/75 please help me this homework is so hard my teacher said just try your best

garri49 [273]

Answer:

4/25

Step-by-step explanation:

12 divided by 3

72 divided by 3

Greatest Common Divisor:

So 12/72 simplifed would be 4/25 and the GCD would be 3.

8 0

2 years ago

Is this a complementary, supplementary, vertical, or adjacent ill give brainly

WINSTONCH [101]

Answer:

its complemtary

Step-by-step explanation:

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6 0

3 years ago

Simplify the following expression: 5 + (b + 2) What is the answer?

dolphi86 [110]

Answer:

5 + ( b + 2)

5 + b + 2

5 + 2 + b

7 + b

8 0

3 years ago

Evaluate

SCORPION-xisa [38]

Value of the expression will be 7

Explanation

Given value of the variables are : $p= \frac{1}{2}$ and $q=7$

Given expression: $8p+3q-18$

So, plugging the values of $p$ and $q$ into the above expression, we will get...

$8p+3q-18\\ \\ = 8(\frac{1}{2})+3(7)-18\\ \\ =4 + 21-18\\ \\ =25-18\\ \\ =7$

So, the value of the expression will be 7.

5 0

3 years ago

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