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babunello [35]
3 years ago
11

According to the lecture, a valedictory speech should last approximately ________ minutes.

Mathematics
1 answer:
fiasKO [112]3 years ago
6 0
<span>According to the lecture, a valedictory speech should last approximately 15 minutes. </span>
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The students in Suzanne's school are painting a rectangular mural outside the building that will be 15 feet by 45 feet. Scale dr
Katarina [22]

Answer:

The dimensions on paper are 1.992ft by 5.976ft with a scale factor of 7.53

Step-by-step explanation:

The first step will be to find the diagonal of the rea life mural.

We can use Pythagoras' Theorem to do this.

Diagonal = \sqrt{15^2 +45^2 } =47.43 feet.

Now we have the real-life diagonal, we will now relate the diagonal of the painting outside with the one on paper. We can do this by dividing the two diagonals.

This will be 47.43 / 6.3 units = 7.53.

The scale factor is 7.53

To get the dimensions of the length and the breadth on paper, we divide the outside dimensions by the scale factor.

This will be

Length = 15/ 7.53 = 1.992

Breadth = 45/7.53 = 5.976

Therefore, the dimensions on paper are 1.992ft by 5.976ft with a scale factor of 7.53

3 0
3 years ago
PLEASE HELP ASAP ILL MARK YOU AS Brainliest
LiRa [457]
Well atleast I tried
Here you go:

8 0
3 years ago
A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box is 55 p
Natali [406]

Answer:

Large boxes = 40 lbs.

Small boxes = 15 lbs.

Step-by-step explanation:

L = Large Box

S = Small Box

I started by making the equations, L + S = 55 and 60L + 50S = 3150. I made the first equation L = 55 - S and substituted that in for L in 60L + 50S =3150. After finding S, I plugged that back into L + S = 55 and got the answers.  

3 0
3 years ago
-5x+2=22<br>A. 96<br>B. 6<br>C. 4<br>D. -4<br>O need the answer​
fredd [130]
Start by subtracting 2. You end up with -5x=20. Because the five is negative, the second number must be negative, because two negatives always make a positive in multiplication. Pick the only negative answer, which is D, -4
4 0
2 years ago
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Rosy waxes 2/3 of her car with 1/4 bottle of car wax. At this rate , what fraction of the bottle of car wax will rosy use to wax
maxonik [38]

Answer:

8/3 = 1/x or x = 3/8

Step-by-step explanation:

Set up the ratio

(2/3)/(1/4) = 1/x  

solve for x  

 

8/3 = 1/x or x = 3/8

5 0
3 years ago
Read 2 more answers
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