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solniwko [45]
2 years ago
5

100 points

Mathematics
2 answers:
ad-work [718]2 years ago
8 0

Answer:

  • $450

Step-by-step explanation:

<u>Given:</u>

  • Principal P = $5000
  • Interest rate r = 9% simple
  • Time t = 1 year

<u>Interest amount:</u>

  • I = Prt/100
  • I = 5000*9*1/100 = 450
saw5 [17]2 years ago
5 0

Answer:

$4,500

Step-by-step explanation:

For simple interest,

I = prt,

where

I = interest

p = principal

r = annual interest rate

t = number of years

We have p = $5,000, r = 9% = 0.09; t = 1 year

I = $5,000 × 0.09 × 1

I = $450

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A pizza shop charged $49.57 for 3 large pepperoni pizzas. This price included a $2.50 delivery fee.
jek_recluse [69]

Answer:

$15.69

Step-by-step explanation:

subtract delivery fee: 49.58 - 2.5 = 47.07

divide by amount of pizzas: 47.07 / 3 = 15.69

8 0
3 years ago
Read 2 more answers
Need help asap! Fill in the blank by entering just a number…
daser333 [38]

Answer:

x = 6

Step-by-step explanation:

CT is a median, which means it divided AB into two equal parts so we can write the following equation:

7x + 9 = 5x + 21 transfer like terms to the same side of the equation

7x - 5x = 21 - 9 do the extraction

2x = 12 divide both sides by 2

<u>x = 6</u>

6 0
1 year ago
a certain number of two digit is three times the sum of its digit and if 45 added to it the digit will be reversed find the numb
bogdanovich [222]
· Author has 184 answers and 67.6K answer views
Let the number be (10 x + y)

Then, 10 x + y = 3 * (x + y) (given)

Or, 10 x + y = 3 x + 3 y

Or, 10 x - 3 x = 3 y - y

Or, 7x = 2 y

Or, x = 2 y / 7 ( Eq. 1)

Also, 10 x + y + 45 = 10 y + x ( given)

Or, 10 x - x = 10 y - y - 45

Or, 9 x = 9 y - 45 ( Eq. 2)

Substituting the value of x from (Eq. 1) in (Eq. 2), we have:

9 * 2 y / 7 = 9 y - 45

Or, (9 y ) - (18 y / 7) = 45

Or, 63 y - 18 y = 315

Or, 45 y = 315

Or, y = 7

From (Eq. 1),

x = 2 * 7 / 7 = 2

So, the number is 10 x + y = (10 * 2) + 7 = (20 + 7) = 27

Answer

Check:

Sum of the digits = 2 + 7 = 9

9 * 3 = 27 ✓

Adding 45 to the number 27, we get 72. So, the digits get reversed.
5 0
3 years ago
Question 18 plz help &lt;3
Karolina [17]

Answer:

4

Step-by-step explanation:

3 0
3 years ago
(a + 3)(a - 2)<br><br><br> hurry helpppp asapppp
mote1985 [20]

(a+3)(a-2)

Multiply the two brackets together

a^2-2a+3a+3*-2

a^2+a-6

Answer is a^2+a-6

7 0
3 years ago
Read 2 more answers
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