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3 years ago

9

PLEASE HELP WILL MARK BRAINLIEST choose the ordered pair that is NOT the solution for these equations.

1 answer:

Pepsi [2]3 years ago

5 0

Answer:

The answer is A)

Step-by-step explanation:

A)-15+1=14

B)0+12=12

C)1+11=12

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Consider the line y=10 x -1 and the point P=(2,0). (a) Write the formula for a function d(x) that describes the distance between

LuckyWell [14K]

Answer:

the formula for a function d(x) that describes the distance is $d(x)=\sqrt{101x^{2}-24x+5}$

Step-by-step explanation:

We are going to define final point $P_{f}=(2,0)$ , and initial point $P_{i}=(x,y)=(x,10x-1)$ , then we can use $d=\sqrt{(x_{f}-x_{i})^{2}+(y_{f}-y_{i})^{2}}$ , so we obtain $d(x)=\sqrt{(2-x)^{2}+(0-(10x-1))^{2}}$ , by developing it $d(x)=\sqrt{(2-x)^{2}+(0-(10x-1))^{2}}\\d(x)=\sqrt{4-4x+x^{2}+(1-10x)^{2}}\\d(x)=\sqrt{4-4x+x^{2}+1-20x+100x^{2}}\\d(x)=\sqrt{101x^{2}-24x+5}\\$

This formula describes the distance between those two points and involves x

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4 years ago

Can someone help me with my delta math assignments i'll give you brainiest and 80 points or more

Anettt [7]

sure what is it about maybe I can help you if it's possible

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3 years ago

Graph system and solution 3x+2y=14 y=1/2x+3

rodikova [14]

Answer:A

Step-by-step explanation: the answer is a

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3 years ago

It is a best practice to analyze data directly on an infected machine. t or f?

Alex Ar [27]

I would say your answer is FALSE

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3 years ago

If the sum of Noor's age and Salma's age = 30, 3 years ago Noor's

Flura [38]

Answer:

Noor's age is 12 & Salma's age is 18

Step-by-step explanation:

Noor's age: N

Salma's age: S

$N+S=30$ : given

$N - 3 = \frac{S}{2}$ : given

$N = \frac{S}{2}+3$ : isolate "N"

$\frac{S}{2}+3 + S = 30$ : substitute the value of N for N to find the value of "S"

$\frac{S}{2} + S = 27$ : subtract 3 from both sides

$\frac{S}{2}*2 + S*2 = 27*2$ ≡ $S + 2S = 54$ : multiply both sides by 2

$3S = 54$ : add like values

$\frac{3S}{3} = \frac{54}{3}$ : divide both sides by 3

S = 18

now insert that value into the initial equation:

$N + 18 = 30$

$N = 12$ : subtract 18 from both sides

8 0

3 years ago