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telo118 [61]
3 years ago
9

Show proof and work for brainliest

Mathematics
1 answer:
Andrew [12]3 years ago
7 0

Step-by-step explanation:

There is 6 sides on a rectangular prism

the top would be 6 x 4 = 24 and same for the bottom then I'll do the left amd right sides those are 20 and the front and back sides are 30 so I add all the sides so...

30 + 30 + 20 + 20 + 24 + 24 = 148

so 148 is our answer

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170 percent converted to a fraction equals: ...?
Verdich [7]
There are several ways to do this by converting<span> the percentage to a fraction </span><span>by placing thee expression </span><span>over </span><span /><span><span><span><span><span><span><span>100</span></span></span></span></span></span><span>100</span></span><span>. Percentage means out of 100 and it will look like this 170/100.
Reduced the expression. 17/10
or in whole number it is 1 17/10</span><span />
8 0
3 years ago
Read 2 more answers
Jonah is going to the store to buy candles for his igloo. Small candles cost $3.50 and large candles cost $5.00. He needs to buy
Semmy [17]

Answer:

x+y\geq 20

3.50x+5.00y\leq 80

Step-by-step explanation:

Let x represent number of small candles and y represent number of large candles.

We have been given that Jonah needs to buy at least 20 candles. This means number of small and large candles should be greater than or equal to 20. We can represent this information in an inequality as:

x+y\geq 20...(1)

We are also told that small candles cost $3.50, so cost of x small candles would be 3.50x.

Since large candles cost $5.00, so cost of y large candles would be 5.00y.

We are told that Jonah cannot spend more than $80, this means cost of x small candles and y large candles should be less than or equal to $80. We can represent this information in an inequality as:

3.50x+5.00y\geq 80

Therefore, our required system of inequalities would be:

x+y\geq 20

3.50x+5.00y\leq 80

4 0
3 years ago
77th term for -10,-8,-6
sasho [114]

9514 1404 393

Answer:

 142

Step-by-step explanation:

The first term of this arithmetic sequence is -10. The common difference is -8-(-10) = 2. The n-th term is ...

  an = a1 +d(n -1)

  an = -10 +2(n -1) = 2n -12

Then the 77th term is ...

  a77 = 2(77) -12 = 154 -12

  a77 = 142

The 77th term is 142.

4 0
2 years ago
Is the expression x5×5×5 equivalent to (x5)3 . Why or why not? Explain your reasoning.
Firlakuza [10]
No, it is not equivalent to (x5)3. If yoh were to put 1 as a substitute for x5; 1 × 1× 1 equals 1, as represented in x5x5x5. The thing is (1)3 equals 3, as shown in (x5)3. You can substitute x5 for any number. x5x5x5 is more like it is raised to the third power than multiplied by 3.

Hope this helps!!!
3 0
3 years ago
Dave and Ellen are newly married and living in their first house. The yearly premium on their homeowner's insurance policy is $4
Mila [183]

Answer:

a. $27

b. $9

Step-by-step explanation:

The yearly premium on their homeowner's insurance policy is $450 for the coverage they need.

Their insurance company offers a discount of 6 percent if they install dead-bolt locks on all exterior doors.The couple can also receive a discount of 2 percent if they install smoke detectors on each floor.

a. What discount will Dave and Ellen receive if they install the dead-bolt locks?

0.06\times450=27 dollars

b. What discount will Dave and Ellen receive if they install smoke detectors?

0.02\times450=9 dollars

8 0
3 years ago
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