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3 years ago

I need answers for #3 and #4

Mathematics

1 answer:

NNADVOKAT [17]3 years ago

8 0

Answer:#3- C. E=155

#4- I think it's G‍♀️

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· Evaluate f(2a + b), where f(x) = 4x2 – 3x.

spayn [35]

Answer:

2af+bf = 2af+bf

Step-by-step explanation

f(x) = 4x2 – 3x. = x(4x−3)

5 0

3 years ago

You take out a 60-day loan for $5000. At the end of the loan, you owe $73.97 in interest. What is the annual percentage rate? Ro

gulaghasi [49]

The PERCENTAGE ANNUAL RATE is 9.0% to the nearest tenth using the SIMPLE INTEREST FORMULA

The question is related to a SIMPLE INTEREST problem:

Loan period = 60 days

using 365 days a year ;

converting to years , 60 days = (60 / 365) years

interest on loan = 73.97

principal = 5000

Using the formula:

interest = (principal * rate * time)

73.79 = (5000 * rate * (60/365)

Rate = 73.79/(5000 * (60/365)) =8.977%

rate = 9%

Therefore, PERCENTAGE ANNUAL RATE is 9.0%

8 0

3 years ago

What is the scientific notation of 832,000

bonufazy [111]

The scientific notation of 832,000 is <span>8.32 × (10)to the fifth power.
Have a great day!

</span>

6 0

4 years ago

Sam and Harry are family. Sam is currently is three times Harry's age. Sam's age is also 10 more than twice Henry's age. What ar

kramer

Answer:

<em>Sam is 30 years old, and Harry is 10 years old.</em>

Step-by-step explanation:

Let us assume that the age of Sam is x and the age of Harry is y.

Sam is currently is three times Harry's age.

So, $x=3y$ ----------------------1

Sam's age is also 10 more than twice Harry's age.

so, $x=2y+10$ ---------------2

Subtracting 2 from 1, we get

$\Rightarrow x-x=3y-2y-10$

$\Rightarrow 0=y-10$

$\Rightarrow y=10$

putting this in equation 1,

$x=3(10)=30$

Therefore, Sam is 30 years old, and Harry is 10 years old.

6 0

3 years ago

Read 2 more answers

Point (4,-5) is mapped onto

Sergio [31]

Answer:

(-5, -4)

Step-by-step explanation:

I got it correct and that is right

4 0

3 years ago