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scZoUnD [109]
3 years ago
11

Find the interest rate. SHOW ALL WORK to receive FULL CREDIT.

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
7 0

Answer: Interest rate is: $800

Step-by-step explanation: add 400 + 40 and equal that to 800 basically on how i did it was i used my mathematics calculator and it had 800 on it so yeah hope this help

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I will give u brainliest
Lady bird [3.3K]

Answer:

130

Step-by-step explanation:

I don' know my explanation.

6 0
3 years ago
George is throwing a party for his son's 9th birthday he orders for sandwiches to the party if each person will eat 2/3 of a san
ddd [48]

Answer:

George can feed 6 people.

Step-by-step explanation:

Given:

Number of sandwiches = 4

Each person eats two-third of a sandwich.

Therefore, number of persons eating 4 sandwich is given as:

\textrm{Number of persons} =\frac{\textrm{Total sandwiches eaten}}{\textrm{Total sandwiches eaten by 1 person}}

Therefore,

\textrm{Number of persons} = \frac{4}{\frac{2}{3}}\\\\\textrm{Number of persons} =4\times \frac{3}{2}=6

7 0
3 years ago
Solve the system using substitution.<br> 2x = 5y + 14<br> x = 5y
andrew-mc [135]

Answer:

<h2>y = 2.8</h2><h2>x = 14</h2>

Step-by-step explanation:

To solve an equation, we can only have one variable. In this case, we are given the system 2x = 5y + 14. However, we are given the value of x in terms of y. We can substitute 10y in for 2x and solve.

10y = 5y + 14

First, we need to get all the variables on one side of the equation, so we subtract 5y.

5y = 14

Divide by 5

y = 14/5 or 2 4/5 or 2.8

Now for the x part.

2x = x + 14

Subtract 1x

x = 14

Now we check our answer.

2(14) = 5(2.8) + 14

28 = 14 + 14

28 = 28

Because 28 equals 28, our solutions are correct.

7 0
3 years ago
(3x-1)(ax+b) = 12x² - 19x + cWork out the values of a, b and c.
Snezhnost [94]
The value of a, b, c is
a=4
b= -5
c= 5

4 0
3 years ago
Jgvgvgvqvgsvgcqsccdvg
kupik [55]

Answer:

the first thing you do is 50,000 ×3% x1 and multiple it with the percent sign then it will give you 1,500

4 0
3 years ago
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