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blondinia [14]
3 years ago
6

Evaluate 16^1/2 x 2^-3 Give your answer as a fraction in its simplest form.

Mathematics
1 answer:
kati45 [8]3 years ago
6 0
Your answer would be 1/2
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Double number line 3t+15=45
Reika [66]

Answer:

t=-10 or t=20

Step-by-step explanation:

We want to solve the equation:

|3t - 15|  = 45

We use the definition of the absolute value function to get:

- (3t - 15) = 45 \: or \: (3t - 15) = 45

Divide through the first equation by -1 to get:

3t - 15 =  - 45 \: or \: 3t - 15 =45

We now add 15 to both sides of the equation to get:

3t  =  - 45 + 15 \: or \: 3t  =45 + 15

3t  =  - 30 \: or \: 3t  =60

Divide through by 3

t =  - 10 \: or \: t = 20

4 0
3 years ago
3+<img src="https://tex.z-dn.net/?f=3%2B%5Csqrt%7B2%7D%2F4%5Csqrt%7B2%7D%2B2" id="TexFormula1" title="3+\sqrt{2}/4\sqrt{2}+2" al
tester [92]
This is the answer unless the 2/4 is meaning divide the two if thats the case the answer is 48+√2 over 8

8 0
1 year ago
Simplify the expression and rewrite in rational exponent form.
Dahasolnce [82]

Answer:

4 x^{\frac{11}{10}} \cdot y^{\frac{17}{3}}

Step-by-step explanation:

The given expression: 4 \sqrt[5]{x^{3}} \cdot y^{4} \cdot \sqrt{x} \cdot \sqrt[3]{y^{5}}

Step 1: Change radical to fractional exponent.

Formula for fractional exponent: \sqrt[n]{a}=a^{\frac{1}{n}}

The power to which the base is raised becomes the numerator and the root becomes the denominator.

\Rightarrow 4 x^{\frac{3}{5}} \cdot y^{4} \cdot x^{\frac{1}{2}} \cdot y^{\frac{5}{3}}  

Step 2: Apply law of exponent for a product a^{m} \times a^{n}=a^{m+n}  

Multiply powers with same base.

\Rightarrow 4 x^{\frac{3}{5}+\frac{1}{2}} \cdot y^{4+\frac{5}{8}}  

Take LCM for the fractions in the power.

\Rightarrow 4 x^{\frac{6}{10}+\frac{5}{10}} \cdot y^{\frac{12}{3}+\frac{5}{3}}  

\Rightarrow 4 x^{\frac{11}{10}} \cdot y^{\frac{17}{3}}

Hence the simplified form of 4 \sqrt[5]{x^{3}} \cdot y^{4} \cdot \sqrt{x} \cdot \sqrt[3]{y^{5}} \text { is } 4 x^{\frac{11}{10}} \cdot y^{\frac{17}{3}}.

5 0
3 years ago
Solve the following problems using Pythagoras. Include a diagram . a. How long must a ladder be to reach 12 ft up the wall, if t
RUDIKE [14]

The length of ladder used is 12.25 ft.

<h3>What is Pythagoras theorem?</h3>

Pythagorean theorem, the well-known geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse .

The Pythagoras theorem which is also referred to as the Pythagorean theorem explains the relationship between the three sides of a right-angled triangle. According to the Pythagoras theorem, the square of the hypotenuse is equal to the sum of the squares of the other two sides of a triangle.

example:

The hypotenuse of a right-angled triangle is 16 units and one of the sides of the triangle is 8 units. Find the measure of the third side using the Pythagoras theorem formula.

Solution:

Given : Hypotenuse = 16 units

Let us consider the given side of a triangle as the perpendicular height = 8 units

On substituting the given dimensions to the Pythagoras theorem formula

Hypotenuse^2 = Base^2 + Height^2

16^2 = B^2 + 8^2

B^2 = 256 - 64

B = √192 = 13.856 units

Therefore, the measure of the third side of a triangle is 13.856 units.

given:

base=  2.5 ft,  

perpendicular= 12 ft

Using Pythagoras theorem,

H² =  B² + P²

H² = 2.5² + 12²

H² = 6.25+ 144

H= 12.25 ft

Learn more about Pythagoras theorem here:  brainly.com/question/343682

#SPJ2

6 0
2 years ago
Read 2 more answers
Find the arc length, x, when<br> r= 8 and 0 = 5 radians.
lys-0071 [83]

Answer:

Arc Length = 40

Step-by-step explanation:

Arc Length Formula:  S = rΘ

R = radius

Θ = Radians

<u>Step 1:  Identify the radius and the radian angle</u>

R = 8

Θ = 5 radians

<u>Step 2:  Plug into the equation</u>

S = (8)(5)

<u>Step 3:  Solve</u>

S = 40

Answer:  Arc Length = 40

7 0
3 years ago
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