2 years ago

Ch.3 Test Savings Accounts

Mathematics

1 answer:

Harlamova29_29 [7]2 years ago

8 0

Step-by-step explanation:

5000 x 3 + 3.5% of 5000 x 3 = the answer

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Find the third term of the binomial expansion (4x+y)5 answer

frosja888 [35]

(4x+y)+5
20x+5y
20x+5y+0
third term is zero

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3 years ago

Using the quadratic formula to solve 2x2 = 4x – 7, what are the values of x? 2 plus-or-minus StartRoot 10 EndRoot i 1 plus-or-mi

ioda

Answer:

$x = 1 +/- \frac{i\sqrt{10} }{2}$

Step-by-step explanation:

The equation given is:

$2x^2 = 4x - 7\\\\2x^2 - 4x + 7 = 0$

Using quadratic formula:

$x = \frac{-b +/- \sqrt{b^2 - 4ac} }{2a}$

From the question:

a = 2, b = -4, c = 7

Therefore:

$x = \frac{4 +/- \sqrt{(-4)^2 - 4 * 2 * 7} }{2 * 2}\\\\x = \frac{4 +/- \sqrt{(16 - 56)} }{4}\\\\x = \frac{4 +/- \sqrt{-40} }{4}\\$

=> $x = 1 +/- \frac{i\sqrt{10} }{2}$

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3 years ago

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Bianca uses an overhead projector to explain a new concept to her students. The width of the projected image was 24 feet. The wi

AnnZ [28]

Answer: 10% of 65.9

Step-by-step explanation:

3 0

3 years ago

(x + 5 1/2) 0.75= 5/8 What is x?

swat32

(x + 5 1/2) 0.75= 5/8
Convert 0.75 into a fraction
(x + 5 1/2) 3/4= 5/8
Use distributive property
3/4x + 5 1/2*3/4 = 5/8
Convert 5 1/2 into improper fraction
3/4x + 11/2*3/4 = 5/8
Multiply
3/4x + 33/8 = 5/8
Subtract 33/8 from both sides
3/4x = 5/8 - 33/8
Subtract the numerators but NOT the denominators
3/4x = -28/8
Divide 3/4 on both sides
x = -28/8 divided by 3/4
Convert the division sign to multiplication while flipping the fraction 3/4 to 4/3
x = -28/8 * 4/3
Multiply
Final Answer: x = -112/24 or -4 16/24 or -4 4/6 or -4 2/3 *All answers are equivalent to each other.

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2 years ago

State if the two triangles are congruent. If they are, state how you know.

telo118 [61]

Answer:

yes, by AAS there are two sides of corresponding angles

Step-by-step explanation:

HOPE this helps...

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3 years ago

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