PLSSSS HELP GIVING 5 POINTS PLUS BRAINLIEST

Mathematics

2 answers:

fiasKO [112]3 years ago

8 0

Answer:

The correct answer is A

Step-by-step explanation:

The Economy of Oceania largely depends on trade and tourism but trade specifically

Reil [10]3 years ago

6 0

Answer:

its c or a but i think its mostly a

Step-by-step explanation:

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(3x^2a - 4y^a z^3a) ^2 ...?

shusha [124]

The answer is 9x⁴ᵃ - 24x²ᵃyᵃz³ᵃ + 16 y²ᵃz⁶ᵃ

(a - b)² = a² - 2ab + b²
(3x²ᵃ - 4yᵃz³ᵃ)² = (3x²ᵃ)² - 2 * 3x²ᵃ * 4yᵃz³ᵃ + (4yᵃz³ᵃ)² =
= 3²x²ᵃ*² - 2 * 3 * 4 x²ᵃ * yᵃz³ᵃ + 4²yᵃ*²z³ᵃ*² =
= 9x⁴ᵃ - 24x²ᵃyᵃz³ᵃ + 16 y²ᵃz⁶ᵃ

8 0

4 years ago

Find the height of the given pyramid. 2.3m 4.5m 6m 7m

Alex Ar [27]

Answer:

The height is 7 m.

Step-by-step explanation:

Volume = 1/3 * area of the base * height, so

28 = 1/3 * 3 * 4 * h

4h = 28

h = 7.

4 0

3 years ago

If Clare earns $75 the next week from delivering newspapers and deposits it in her account, what will her account balance be the

4vir4ik [10]

Answer is x+75

Basically $75

3 0

3 years ago

Which event has a probability of 1/2? Select all that apply.

Ymorist [56]

C, E, and F have 50 50 chance

4 0

3 years ago

Reuben bought a desktop computer and a laptop computer. Before finance charges, the laptop cost $150 more than the desktop. He p

cupoosta [38]

Same case as Pablo's, more or less.

a = price for the desktop

b = price for the laptop

we know the laptop is 150 bucks more than the desktop, b = a + 150.

how much is 7% of a? (7/100) * a, 0.07a.

how much is 9.5% of b? (9.5/100) * b, 0.095b.

total interests for the financing add up to 303, 0.07a + 0.095b = 303.

$\bf \begin{cases}
\boxed{b}=a+150\\
0.07a+0.095b=303\\
----------\\
0.07a+0.095\left(\boxed{a+150} \right)=303
\end{cases}
\\\\\\
0.07a+0.095a+14.25=303\implies 0.165a=288.75
\\\\\\
a=\cfrac{288.75}{0.165}\implies a=1750$

how much was it for the laptop? well b = a + 150.

8 0

3 years ago