Estimate the sum by rounding each mixed number to the nearest half or whole number.8 1/5+ 1 7/16

Answers

Answer 1

Answer: You round the 1st number to the nearest whole number which is 8. The second number is rounded to the nearest half.
So it would be 8 + 1 8/16 = 9 1/2.

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PLEASE HELP!!! 60 points will be rewarded to the person that answers this question correctly. The two figures below have the same perimeter. What is the value of x?1. Write an equation that can be used to represent the situation above 2. Solve the equation 3. Prove the solution by plugging it into both sides of the equation
It a grade 9 please help me do this I don’t really understand it at all

What is the answer? -5+(-4)=?

Answers

Answer:

Minus 9

Step-by-step explanation:

Choose the two equations you would use to solve the absolute value equation below. Then solve the two equations.|2x + 5| = 3

Answers

First equation: 2x+5=3
Second equation: 2x+5=-3
Solution for first equation:
2x+5=3
subtract 5
2x=-2
divide by 2
x=-1
Solution for second equation:
2x+5=-3
subtract 5
2x=-8
divide by 2
x=-4

$Formula\ for\ absolute\ value\n\n|a|=a,\ for\ a \geq 0\n or\n|a|=-a,\ for\ a<0\n\n|2x+5|=3\n\n2x+5=3\ \ \ \ or\ \ \ \ 2x+5=-3\n\n2x=-2\ \ \ \ or\ \ \ \ 2x=-8\n\nx=-1\ \ \ \ or\ \ \ \ x=-4$

Orlando invested $16,000 in an eight-year CD bearing 6.5% interest, but needed to withdraw $3,500 after five years. If the CD’s penalty for early withdrawal was one year’s worth of interest on the amount withdrawn, when the CD reached maturity, how much less money did Orlando earn total than if he had not made his early withdrawal?a.
$227.50
b.
$682.50
c.
$910.00
d.
$455.00

Answers

B is the correct answer. Firstly, you have to work out the amount of interest earned per year by multiplying the sum invested ($16,000) by the interest rate (6.5%, or 0.065). Then multiply the result by eight to find out how much money Orlando would get when the CD reaches maturity if he doesn't withdraw any money. To calculate interest when money is withdrawn, multiply the annual interest by five, to work out how much interest Orlando earns in the first five years. Then work out the interest on the reduced investment ($16,000 - $3,500) in the same way and multiply by three to calculate the remaining three years' interest. Add the total interest for three years to the total interest to five years, which will tell you how much interest Orlando recieves when he makes the withdrawal. Finally, you can now take this away from the interest he would have made if he had not made a withdrawal, and this will tell you the difference.

The real correct answer is C. $190.00

Your school raised 125% of its fundraising goal.The School raised $6750.What was the goal?

Answers

Answer:

When school raised $ 6750 the goal was 5400

Step-by-step explanation:

Let the initial fundraising goal be 100.

as per the given statement your school raised 125% of its fundraising goal.

⇒ school raised = $(125)/(100) * 100 = $ 125$

Equivalent ratios are two ratios that express the same relationship between numbers.

then, By equivalent ratio :

$(125)/(100) = (6750)/(x)$

after cross multiply we get;

$125 x = 6750 * 100$

Divide both sides by 125 we get;

$(125x)/(125) =(6750 * 100)/(125)$

Simplify:

x = 5400

Therefore, the goal was 5400 when the school raised $ 6750

The goal was to raise $5400.
I got this by making this: x/6750=100/125
Then you cross multiply and solve for x

Simplify (3x2 − 3 + 9x3) − (4x3 − 2x2 + 16).x3 − 5x2 + 25
−x3 + x2 − 25
5x3 + x2 + 13
5x3 + 5x2 − 19

Answers

Answer: 5x³ + 5x² - 19

Answer:

The answer is D

Step-by-step explanation:

Let's simplify step-by-step.

3x2−3+9x3−(4x3−2x2+16)

Distribute the Negative Sign:

=3x2−3+9x3+−1(4x3−2x2+16)

=3x2+−3+9x3+−1(4x3)+−1(−2x2)+(−1)(16)

=3x2+−3+9x3+−4x3+2x2+−16

Combine Like Terms:

=3x2+−3+9x3+−4x3+2x2+−16

=(9x3+−4x3)+(3x2+2x2)+(−3+−16)

=5x3+5x2+−19

Answer:

=5x3+5x2−19

A boat is moving at a velocity of –14 miles per hour.If east is taken as the positive direction, what direction is the boat moving?

A.It is moving east, but is slowing down.
B.It is moving west, but is slowing down.
C.It is moving east.
D.It is moving west.

Answers

Answer:

Step-by-step explanation:

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