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3 years ago

ASAP!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

jek_recluse [69]3 years ago

7 0

Answer:

Step-by-step explanation:

First, convert R as a percent to r as a decimal

r = R/100

r = 8/100

r = 0.08 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 1,950.00(1 + 0.08/2)(2)(4)

A = 1,950.00(1 + 0.04)(8)

A = $2,668.71

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Simplify the expression. Use standard polynomial format. x(2x + 3) + (x - 3)(x - 4)

timofeeve [1]

Answer:

x(2x + 3) + (x - 3) (x - 4) = 3x²- 4x + 12

Step-by-step explanation:

Expand:

x(2x + 3): 2x² + 3x

2x² + 3x + (x - 3) (x - 4)

Expand:

(x - 3) (x - 4): x²- 7x + 12

2x² + 3x + x²- 7x + 12

Simplify:

2x² + 3x + x² - 7x + 12: 3x² - 4x + 12

= 3x² - 4x +12

5 0

3 years ago

If f(x) = 2х2 +1 and g(x) = х2 -7, find (f-g)(x).

Nookie1986 [14]

Option A

If f(x) = $2x^2 + 1$ and g(x) = $x^2 - 7$ then $(f - g)(x) = x^2 + 8$

Solution:

Given that f(x) = $2x^2 + 1$ and g(x) = $x^2 - 7$

To find: (f - g)(x)

We know that,

(f – g)(x) = f (x) - g(x)

Let us substitute the given values of f(x) and g(x) in above formula,

$(f - g)(x) = 2x^2 + 1 - (x^2 - 7)$

For solving the brackets in above expression,

There are two simple rules to remember:

When you multiply a negative number by a positive number then the product is always negative.

When you multiply two negative numbers or two positive numbers then the product is always positive.

So the expression becomes,

$(f - g)(x) = 2x^2 + 1 -x^2 + 7$

Combining the like terms,

$(f - g)(x) = 2x^2 - x^2 + 1 + 7\\\\(f - g)(x) = x^2 + 8$

Thus option A is correct

8 0

3 years ago

Add. Express your answer in simplest terms. 1/5+2/3

DedPeter [7]

Y0ou find a common denominatior, in this case is 15.... then multiply whatever u had to get the denominator 15 times the top number, so 3/5 + 10/15 = 13/15

4 0

3 years ago

Read 2 more answers

Pls help is easyyyyy geometry

Makovka662 [10]

Answer:

A = 30 unit^2

Step-by-step explanation:

To find the area of the triangle

A = 1/2 b*h where b is the length of the base and h is the height

b = 12 and h =5

A = 1/2 (12*5)

A = 1/2 *60

A = 30 unit^2

8 0

3 years ago

Daniel can by a particular brand of juice in a 6 ounce bottle or a 10 ounce bottle the juice in a 10 ounce bottle contains 150 c

olasank [31]

Answer: There are 90 calories in a 6-ounce bottle.

Step-by-step explanation:

We assume that the quantity of juice in the bottle is directly proportional to the number of calories it contains.

Given: 10 ounces of juice has 150 calories.

i.e. 1 ounce of juice has $\dfrac{150}{10}$ calories.

i.e. 1 ounce of juice has 15 calories.

Now, In 6 ounce of juice, the number if calories = 15 x 6 = 90 calories

Hence, there are 90 calories in a 6-ounce bottle.

7 0

3 years ago