MATHEMATICS HIGH SCHOOL

A retired couple invested $6000 in bonds. At the end of one year, they received an interest payment of $396. What was the simple interest rate of the bonds?
           
Do NOT round off a decimal answer. 
Do NOT include a  symbol with your answer.

Answers

Answer 1
Answer: That is an interest rate of 6.6%
Answer 2
Answer:

Answer: Simple interest Rate = 6.6%

Step-by-step explanation:

Simple Interest = PRT/100

P = $6000

T=1

R= ?

Simple Interest = 396

From Simple Interest = PRT/100

396 = (6000 x R x 1)/100

396 = 6000R/100

39600 = 6000R

R = 39600/6000

R = 6.6%

Simple interest Rate = 6.6%

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Which expression is equivalent to 2 + 3?A) 3 - 2 B) 3 + 2 C) 3(2) EliminateD) 6

Please help ill give 10 points and a brainly to who ever who can answer this. thanks!!!

Answers

Answer:

Step-by-step explanation:

Help?!?!Amanda is trying to determine the typical mass of eggs that are produced by each of her chickens. Which of the following will give her the most accurate measurement?

A. Take the chicken with the average weight, and determine the average mass of all the eggs laid by that chicken after a few months.
B. Take a random sample of chickens, and determine the average mass of 20 random eggs laid by those chickens.
C. Take a random sample of eggs from each chicken over a few months, and determine the average mass of all the eggs.
D. Take a random sample of eggs from each chicken over a few months, and determine the average mass from each sample of eggs.

Answers

its d as then you have more accurate measurings than the others

the area of a rectangle is 54 cm. The length is 2 cm more than x and the width is 5 cm less than twice x. Slove for x. round your answer to the nearest whole number.

Answers

area=LW
54=LW
L is 2 more than x    L=2+x
w is 5 less than 2x    W=-5+2x



54=LW
L=2+x
W=-5+2x
input
54=(2+x)(-5+2x)
distribute/FOIL
54=-10+4x-5x+2x^2
add like terms
54=-10-x+2x^2
minus 54
2x^2-x-64=0
quadratic formula
x=\frac{ -b+/-\sqrt{b^(2)-4ac} }{2a}
x=\frac{ -(-1)+/-\sqrt{(-1)^(2)-4(2)(-64)} }{2(2)}
x=( 1+/-√(1-(-256)) )/(4)
x=( 1+/-√(1-(-256)) )/(4)
x=4.257 or -3.75
we disregard the negative one because that would make legnth and width negative


x=4 (rounded)

Plz Help. Will give braniest if answered correctly with an explanation!!!

Answers

Answer: Choice C

angle HDG = angle HFE

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Explanation:

We have the statement \triangle DHG \cong \triangle FHE given to us. Note that "H" is in the middle for both sequences of three letters. For DHG, start at H and move back one space to get to D. Move back another unit to wrap around to G. So the new sequence is HDG which forms the first angle.

Follow the same pattern but for FHE now. Start at H, move backward one spot to F, then move back again to wrap around to E. We have HFE

This shows angle HDG pairs up with angle HFE. The corresponding angles are congruent due to CPCTC

CPCTC = corresponding parts of congruent triangles are congruent

Notice how angles HDG and HFE are alternate interior angles, which lead to showing DG is parallel to EF.

Work out 3\5 of 7?

Working out will help too, thanks:)

Answers

(3)/(5)\cdot7=(21)/(5)=4.2

What is the best approximation of the solution to the system, to the nearest integer values?( , ) Graph of a System of Linear Equations. Line 1 is x plus 2y equals 10. Line 2 is 2x minus 3y equals negative 9. The lines intersect at about 1.7, 4.1.

x+2y=10 2x-3y=-9

Answers

Answer

Solution of the system:

x=2,y=4  or as ordered pair: (2, 4)

Explanation

Remember that the point of intersection of two lines is the solution of the system of linear equations. We know from our graph that our lines intersect at the point (1.7, 4.1), so the solution of our system of linear equations is (1.7, 4.1).

Now, to obtain the nearest integer of a decimal, we focus on the number after the decimal point: if the number is five or bigger than five, we add 1 to our integer; if the number is less than five, we keep the integer as it is.

For 1.7

The number after the decimal point is 7. Since 7 is bigger than 5, we add 1 to our integer, so the nearest integer of 1.7 is 2

For 4.1

The number after the decimal point is 1. Since 1 is less than 5, we keep our integer as it is, so the nearest integer of 4.1 is 4
1.7\approx2\n4.1\approx4\n\n(2,4)
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