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jeka94
2 years ago
8

Write the coefficient of a in 7 a​

Mathematics
1 answer:
Arturiano [62]2 years ago
8 0

Given:

The term is 7a.

To find:

The coefficient of "a" in the given term "7a"​.

Solution:

In the product of a number and a variable, the number is called the coefficient of that variable.

In the expression "7a", the number is "7" and the variable is "a". It means the number 7 is the coefficient of "a".

Therefore, the coefficient of "a" in the given term "7a" is 7​.

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Use the formula for simple interest to find the interest rate if a deposit of $1400 earned $490 of interest after 5 years,
mario62 [17]
Given the simple interest formula:

I = P•R•T

where:
I = interest
P = principal
R = interest rate
T = time (in years)

We can isolate R algebraically to find out the interest rate:

I = P•R•T

Divide both sides by P•T:

I / (P•T) = (P•R•T)/(P•T)

The formula for the interest rate is:
R = I / (P•T)

Substitute the given values into this formula to solve for the interest rate (R):

R = I / (P•T)

R = $490/ ($1,400 • 5 years)
R = $490 / $7,000
R = 0.07 or 7%

Therefore, the interest rate is 7%.

Please mark my answers as the Brainliest if you find my explanations and solution helpful :)
7 0
3 years ago
3(b - 15) =9 solve for b
shepuryov [24]
B = 18 because 18-5 is equal to 3 and 3x3 is equal to 9.
4 0
3 years ago
Divide: (12x4 + 9x3 – 10x2) ÷ 3x3
Salsk061 [2.6K]

Answer: 6.111

Step-by-step explanation: first break it down

(12x4 + 9x3 – 10x2) ÷ 3x3

(48 + 27 - 20)/9

(75 - 20)/9

55/9

6.111

4 0
2 years ago
Read 2 more answers
You deposit $600 in a savings account. the account earn 4% simple interest per year.
12345 [234]

Answer:

use some memes juice

Step-by-step explanation:

memes

8 0
3 years ago
What is the y-value when x equals 28? y=310-25(x)
Fofino [41]

Answer:

-390   PLEASE GIVE BRAINLIEST

Step-by-step explanation:

y = 310 - 25(28)

y = 310 - 700

y = -390

5 0
3 years ago
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