MATHEMATICS MIDDLE SCHOOL

The one cost DVD is 16.98, and the cost of another DVD is 9.29. Ed estimated the cost of the two DVD to be about 27. Is his estimate higher or lower than the actual cost? Explain

Answers

Answer 1

Answer:

Answer:

Higher

Step-by-step explanation:

16.98 + 9.29 = 26.27 < 27.00

26.27 is rounded to 26.10 or 26.00 so Ed's estimate is higher

Hope this helps

Answer 2

Answer:

Answer:

another DVD is $9.29. Ed estimated the cost of the two DVDs to be about $27. Is his estimate higher or lower than the actual cost? your answer is 21.

Step-by-step explanation:

brainliest please

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Find the volume of the prism. Round to the nearest tenth if necessary.

Answers

The volume of a prism = the area of the base × the prism's height
$V=Bh$

Our base is a triangle, which has this area formula:
The area of a triangle = 1/2 × the triangle's base × the triangle's height
$A=\frac12bh$

Let's plug in 6 for the base of our triangle and 5.2 for its height.
$A=\frac12*6*5.2$
Crunch some numbers...
$A=15.6$

Now that we know the area of the base, let's find the volume of our prism.
$V=Bh$
Let's plug in 15.6 for the area of the base and 9 for the height of the prism.
$V=15.6*9$
Crunch some more numbers...
$V=140.4$
Remember to add your units!

$\boxed{V=140.4\ m^3}$

9(4 - s) = 10 + 4s
What is the answer?

Answers

36-9s=10+4s
36=10+13s
26=13s
2=s

Hope this helps :)

Before you can do anything, you need to get rid of the parenthesis so you can deal with the numbers inside them.

Distribute the 9:
36-9s=10+4s

Combine like terms (I subtracted the 10 from 36 and added the -9s to 4s)
26=13s

Divide by 13 to get s alone

s=2

Hope this helps

A trapezoid has base lengths of 3 yards and 10 yards and a height of 2.5 yards. What is the area of the trapezoid? 1. 32.5 yd2 2. 16.25 yd2 3. 28.75 yd2 4. 8.13 yd2

Answers

The answer is 16.25 yd2

Answer:

25 1/6 yd2

Step-by-step explanation:

hope this helps! :)

If a pair of shoes costs a retailer $24 and he sells them for $39.60, what is his rate of profit

Answers

Answer:

he will get $15.60 profit for every one pair of shoes he sells

Step-by-step explanation: yep your welcome

Please help 99 points!!!! 6x-3=3x-9

Answers

Answer: x=-2

Step-by-step explanation:

addition property of equality is adding the same number to both sides of an equation does not change the equation.

distributive property: a(b+c)=ab+ac

add 3 both sides of an equation.

6x-3+3=3x-9+3

simplify an equation

6x=3x-6

subtract 3x both sides of an equation

6x-3x=3x-6-3x

simplify

3x=-6

divide 3 both sides of an equation

3x/3=-6/3

simplify

-6/3=-2

the answer should be the negative sign.

x=-2

Hope this helps!

Thanks!

I think It would be x= -1

A membership at a yoga studio costs $35 per month.Write an equation for the cost of the membership, c, that you pay if you keep your membership for m months.

How much will your membership cost if you keep it for 20 months?

Answers

Answer:

Write an equation for the cost of then membership, c, that you pay if you keep your membership for m months.

Answer: c=35m

How much will your membership cost if you keep it for 20 months?

Answer: 700

Step-by-step explanation:

Answer:

c=35m

700

Step-by-step explanation:

IT WORKED ON KHAN ACADEMY

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