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2 years ago

Someone help me with this question (No scammer links please)

Mathematics

1 answer:

egoroff_w [7]2 years ago

3 0

Answer:

69cm

Step-by-step explanation:

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Factor Completely: 25x2 - 64 A) 5(x - 8)(x + 8) B) 5(x - 8)(x - 8) C) (5x - 8)(5x + 8) D) (25x - 1)(x + 64)

ZanzabumX [31]

Rewrite it in the form a^2 - b^2, where a = 5x and b = 8

(5x)^2 - 8^2

Use the Difference of Squares; a^2 - b^2 = (a + b)(a - b)

= C. (5x - 8)(5x + 8)

4 0

3 years ago

Each person eats 2/3 of a pound of turkey. how many pounds of turkey will be needed for 8 people

dezoksy [38]

Multiply 2/3 by 8 and you will get 16/3 or 5.33 repeating.

4 0

3 years ago

Read 2 more answers

10 1/8 +2 1/4 Show work please and no links

omeli [17]

Step-by-step explanation:

Please refer to the attachment

4 0

2 years ago

Whats the producr of -2x cubed + x - 5?

baherus [9]

The answer is -2x^3+10x^2

4 0

3 years ago

Find the annual interest rate.

slega [8]

The annual interest rate is 3.5%.

Solution:

Given Interest (I) = $26.25

Principal (P) = $500

Time (t) = 18 months

Rate of interest (r) = ?

Time must be in years to find the rate per annum.

1 year = 12 months

Divide the time by 12.

Time (t) = $\frac{18}{12}=\frac{3}{2}$ years

Now, find the rate of interest using simple interest formula.

Simple interest formula:

$$I=\frac{Prt}{100}$

$$26.25=\frac{500\times r\times \frac{3}{2} }{100}$

$$26.25\times 100 =500\times r\times \frac{3}{2}$

$$2625 =250\times r\times 3$

$$2625 =750\times r$

$$\Rightarrow r=\frac{2625}{750}$

⇒ r = 3.5%

Hence the annual interest rate is 3.5%.

8 0

3 years ago