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3 years ago

15 Points And Brainliest If You Help And Get It Right!!

Mathematics

2 answers:

emmainna [20.7K]3 years ago

5 0

The answer is 5

Hopefully that helped :)!

zavuch27 [327]3 years ago

4 0

Answer:

Step-by-step explanation:

1. Simplify 4³ to 64.

$\frac{1}{2} (64 - 6 \times {3}^{2} )$

2. Simplify 3² to 9.

$\frac{1}{2} (64 - 6 \times 9)$

3. simplify 6 × 8 to 54.

$\frac{1}{2} (64 - 54)$

4. simplify 64 - 54 to 10

$\frac{1}{2} \times 10$

5. simplify.

$\frac{10}{2}$

6. simplify.

Therefor, the answer is 5

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Using a graphical method, solve the simultaneous equations x+y =4 and y=2x+1

adoni [48]

Answer:

(1, 3)

Step-by-step explanation:

Given the expression

x+y = 4 ... 1

y = 2x+1 ....2

Substitute equation 2 into 1

x + (2x+1) = 4

3x + 1 = 4

3x = 4-1

x = 3/3

x = 1

Since y = 2x + 1

y = 2(1) + 1

y = 3

Hence the solution to the equation is (1,3). This means that the coordinate point on the graph where both lines intersect will be at (1, 3)

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3 years ago

Linda received a credit card through the mail. The interest rate charged by the credit card company is 24.9%. If she maintains a

creativ13 [48]

<span>i think the answer is $597.60 </span>

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4 years ago

Explau why 3.14 us rational but pi is not

saw5 [17]

If 3.14 is rational, why should pi also be rational ?

The answer to your question is: Because pi is not 3.14 .

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4 years ago

Need help with this questions

leva [86]

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4 years ago

4(3x^2y^4)^3 / (2x^3y^5)^4

tatyana61 [14]

Solving the expressions $\frac{4(3x^2y^4)^3}{(2x^3y^5)^4}$ we get $\frac{27}{4x^{6}y^{8}}$

Step-by-step explanation:

We need to Solve the expression: $\frac{4(3x^2y^4)^3}{(2x^3y^5)^4}$

Solving:

$\frac{4(3x^2y^4)^3}{(2x^3y^5)^4}$

$=\frac{4(3^3x^6y^{12})}{(2^4x^{12}y^{20})}\\=\frac{4(27x^6y^{12})}{(16x^{12}y^{20})}\\=\frac{108x^6y^{12}}{16x^{12}y^{20}}$

Applying exponent rule: $\frac{x^a}{x^b}=x^{a-b}$

$=\frac{108x^{6-12}y^{12-20}}{16}\\=\frac{27x^{-6}y^{-8}}{4}$

Another exponent rule says: $x^{-a}=\frac{1}{x^a}=$

$=\frac{27}{4x^{6}y^{8}}$

So, solving the expressions $\frac{4(3x^2y^4)^3}{(2x^3y^5)^4}$ we get $\frac{27}{4x^{6}y^{8}}$

Keywords: Solving Exponents

Learn more about Solving Exponents at:

#learnwithBrainly

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3 years ago