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2 years ago

What is the range in interval notation?

Mathematics

1 answer:

Lera25 [3.4K]2 years ago

4 0

Sorry I don’t know the answer hope you find one bye

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What is the mistake NEED ANSWER ASAP

julsineya [31]

Answer:

The answers are in the image.

Step-by-step explanation:

Charlie made the mistake by not getting the equation equal to zero.

$x^2 - 9x + 8 = 16$

Subtract 16 to both sides making it equal to 0.

$x^2 - 9x - 8 = 0$

Using Quadratic Formula to Solve for x.

4 0

1 year ago

Simplify the expression 5^3 x 5^-5

kotykmax [81]

Answer:

$\frac{1}{5^2}$ --- 1 over 5 squared

Step-by-step explanation:

When multiplying terms with a common base, you just add the exponents:

$x^a\times x^b=x^{a+ b}$

That's true even when you don't have any exponents.

$5\times5=5^1\times5^1=5^{1+1}=5^2=25$

$\rightarrow5^3\times5^{-5}\\\rightarrow5^{3-5}\\\rightarrow5^{-2}$

A negative exponent isn't fully simplified, so there's another rule to use:

$x^{-y}=\frac{1}{x^y}$

That is '1 over x to the y' if it's too small to read.

$\rightarrow5^{-2}=\frac{1}{5^2}$

4 0

2 years ago

Read 2 more answers

Find the measures of the numbered angles in each rhombus. So find 1 2 and 3

lakkis [162]

Answer:

1) 120

2) 30

3) 30

Step-by-step explanation:

Angle 1 is the same as the angle shown at 120

Use that to find 2, which is also 3

so 180-120 = 60

divide by 2

2 and 3 are both 30 each

6 0

3 years ago

1,write the successor of-5 and predecessor of 6 then add them

Alona [7]

Successor of -5=-4
Predecessor of 6=5

$\\ \tt\hookrightarrow -4+5=1$

Let one be x and other be x-1

$\\ \tt\hookrightarrow a-b=x-x+1=+1$

$\\ \tt\hookrightarrow 42-66-(100-24)$

$\\ \tt\hookrightarrow -24-76$

$\\ \tt\hookrightarrow -100$

3 0

2 years ago

Read 2 more answers

What is the solution to 4 to the 3rd power =y

JulsSmile [24]

I think the answer is 64

7 0

2 years ago