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Nonamiya [84]
3 years ago
7

Factorise 4y^2-23y+15

Mathematics
1 answer:
ivann1987 [24]3 years ago
8 0

Answer:

(4y-3) (y-5)

Step-by-step explanation:

hope that helps

if correct plz mark as brainliest

thank you

19NBoli

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49x2 - 81 is an example of the difference of two
Shkiper50 [21]

Answer:

(4x + 3)(4x - 3) represents the factorization of a polynomial that was the difference of two squares as it is written as product of sum and difference of two numbers.

Step-by-step explanation:

Formulas are used to factorize the polynomials.

In the given question, we can see a difference of squares

the difference of squares can be factorized using the formula

a^2-b^2 = (a+b)(a-b)

Here a^2 and b^2 are squares and factorized as sum and difference of numbers.

So in the given options,

(4x + 3)(4x - 3) represents the factorization of a polynomial that was the difference of two squares as it is written as product of sum and difference of two numbers.

7 0
3 years ago
How much area does the goat have to move around in the barn round to the nearest hundredth (Use 3.14 for up)
PSYCHO15rus [73]
Hello,
A goat is on 15 for rope in the barn means that the radius is 15 feet.
Area of the circle=
πr^2

A=π×15^2
A=225π
A=706.5 square feet. As a result, 706.5 square feet is your final answer. Hope it help!
5 0
3 years ago
Evaluate the expression using a calculator:
tester [92]

The value of the expression is 0.0265. Using exponents and power rules, the required value is calculated.

<h3>What are the exponent and power rules?</h3>

The important exponent and power rules are:

  • a⁻ⁿ = 1/aⁿ; negative exponent
  • (ab)ⁿ = aⁿ × bⁿ; power of a product rule
  • aⁿ × aˣ = aⁿ⁺ˣ; multiplication rule
  • aⁿ/aˣ = aⁿ⁻ˣ; division rule
  • a^{\frac{x}{y} } = \sqrt[y]{a^x}; fractional exponent

<h3>Calculation:</h3>

The given expression is 126^{-3/4}

Using calculator: 126^{-3/4} = 0.0265

Applying the exponent rule for evaluating the given expression:

126^{-3/4}

Applying the negative power rule;

I.e., a⁻ⁿ = 1/aⁿ

⇒ 126^{-3/4}=\frac{1}{126^{3/4}}

Applying fractional exponent rule;

I.e., a^{\frac{x}{y} } = \sqrt[y]{a^x}

⇒ \frac{1}{126^{3/4}}=\frac{1}{\sqrt[4]{126^3} }

⇒ 1/\sqrt[4]{2000376}

⇒ 1/37.6077

⇒ 0.0265

Therefore, the value of the given expression is 0.0265.

Learn more about exponent rules here:

brainly.com/question/11975096

#SPJ1

4 0
1 year ago
What is the midpoint of the segment shown below (2, 4) and (2, -7)
navik [9.2K]

Answer:

(2,-1.5)

Step-by-step explanation:

There are 11 points in between the two points therefore it has to be (2,-1.5)

7 0
3 years ago
PLEASE SHOW WORK ILL GIVE BRAINLIEST DUE TODAY!!!
lana [24]

Answer:

1.) 169

2.) 63

3.) 50

4.) 221

5.) 6

6.) 501

7.)11

8.) 9

Step-by-step explanation:

sorry i dont have time for the explanation. :( i hope i helped you still

4 0
3 years ago
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