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Mnenie [13.5K]
4 years ago
13

Please help:)))))))))))

Mathematics
1 answer:
seropon [69]4 years ago
3 0

Answer:

good evening good evening good evening good evening

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Find the interest earned if you place $76.43 into an account that pays 21.5% simple interest, and leave it in for 3 years.
o-na [289]

A = $125.73

I = A - P = $49.30

hey!

Equation:

A = P(1 + rt)

Calculation:

First, converting R percent to r a decimal

r = R/100 = 21.5%/100 = 0.215 per year.

Solving our equation:

A = 76.43(1 + (0.215 × 3)) = 125.72735

A = $125.73

The total amount accrued, principal plus interest, from simple interest on a principal of $76.43 at a rate of 21.5% per year for 3 years is $125.73.

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hope i helped in some way! keep pushing you got this

4 0
3 years ago
1. Suppose a and b are real numbers where a > 0 and b < 0.
Nat2105 [25]

a) –a + b is negative

b) a – b is positive

c) b-a is negative

Step-by-step explanation:

1. Suppose a and b are real numbers where a > 0 and b < 0.

a. Is –a + b positive or negative. Explain how you know.

We know a > 0 and b < 0. so, let a =6 and b = -5

Putting values:

–a + b

= -(6)+(-5) = -6-5 = -11

So, –a + b is negative

b. Is a – b positive or negative? Explain how you know.

We know a > 0 and b < 0. so, let a =6 and b = -5

Putting values:

a - b

=6-(-5) = 6+5 = 11

So, a – b is positive

c. Is b – a positive or negative. Explain how you know

We know a > 0 and b < 0. so, let a =6 and b = -5

Putting values:

b-a

=(-5)-(6)

= -5-6

= -11

So, b-a is negative

Keywords: Solving Integers:

Learn more about solving integers at:

  • brainly.com/question/5496711
  • brainly.com/question/11549940
  • brainly.com/question/11334714

#learnwithBrainly

3 0
3 years ago
Find a value of k such that kx2 + 12x − 4 = 0 has one real-number solution. Explain.
Marta_Voda [28]

Answer: if x is to the 2 power then

kx^2+12x-4=0         Add 4 to the both sides

kx^2+12x=4             Divide both sides by 12

kx^2=1/3x                square root the both sides

k=0.6x

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
4. Tabatha is dining out at Mandee's and decides to get an order of curly fries.
julsineya [31]

Answer:

$22.33

Step-by-step explanation:

A 20% tip would be 0.20. Multiply the cost by 0.20 to get the tip amount or multiply the cost by 1.20 to get the total amount including tip.

subtotal --> $18.61

tip --> $3.72

18.61 x 0.20 = 3.72

total --> $22.33

5 0
3 years ago
1) The minimum thickness of Saturns A ring is one-tenth kilometer. Write this decimal using a negative exponent.
yulyashka [42]

Answer:

1)10^{-1}

2)2^{-2}

3)12^{-2}

Step-by-step explanation:

Using negative exponent rule:

1) one -tenth of kilometer =.1 =\frac{1}{10}=10^{-1}

Using negative exponent rule:

2) \frac{1}{4} =\frac{1}{2^{2} }=2^{-2}

Using negative exponent rule:

3)\frac{1}{144} =\frac{1}{12^{2} }= 12^{-2}


5 0
3 years ago
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