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3 years ago

EASY GEOMETRY QUESTION

Mathematics

1 answer:

DerKrebs [107]3 years ago

7 0

Answer:

30 degree of angle

Step-by-step explanation:

1 angle25 inches 25 plus 25 equal 50

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What is 455 dived by 67

denis-greek [22]

In think you actually wanted the answer to the division of 455 by the number 67.
455/67 = 6.791.
For dividing such large numbers, try to go step by step. In this case try the multiplying 67 by 1 first, then by 2, then by 3, then by 4, then by 5, then by 6 and lastly by 7. When you multiply 67 by 7, then you will get 469. So this will show you that you cannot go beyond multiplying with 6. When you multiply 67 with 6 you get 402. hen again try multiplying the remainder and proceed accordingly.

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3 years ago

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The product of the ages of three teenagers is 4590. How old is the oldest?

alukav5142 [94]

The three teens age's are most likely 18, 17, and 15. They are NOT 19. The oldest would be 18. I found this out by dividing 4590 by all of the answer choices. Hope this helped!

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3 years ago

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Need help answering this question!

Katarina [22]

Answer:

6.6 i think

Step-by-step explanation:

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3 years ago

School is making digital backups of old reels of film in its library archives the table shown approximate run Times of the films

Gemiola [76]

One technique that you can apply when solving such a problem is trial and error. We try to use each equation to prove that a given value of x on the table given will correspond to the value of y on the table.

a) Let's try to put x = 3 for the first equation and we must get an answer equal to 2.25.

$y=7.72(3)-29.02=-5.86_{}$

Since the value of y is not equal to 2.25 and the deviation is too large. this equation is not a good model,

b) We put x = 3 on the second equation and solve for y

$y=-7.52(3)^2+0.19(3)+3.26=-63.85$

Since the value of y is not equal to 2.25 and the deviation is too large. this equation is not a good model,

c) We put x = 3 on the third equation and solve for y,

$y=0.4(3)^2+0.79(3)-4.93=1.04$

Again, the value that we get is not equal to 2.25, hence, this equation is not a good model. But since its value is close to 2.25, we try to other values of x. If x = 5, we get

$y=0.4(5)^2+0.79(5)-4.93=9.02$

which has a slight deviation on the given value of y on the table for x = 5. let's try for x = 7. We have

$y=0.4(7)^2+0.79(7)-4.93=20.2$

and the answer has a small deviation compared to the actual value given. The other values of x can again be put on the equation and check their corresponding value of y, and the resulting values are as follows

$\begin{gathered} y=0.4(8)^2+0.79(8)-4.93=26.99 \\ y=0.4(12)^2+0.79(12)-4.93=62.15 \\ y=0.4(14)^2+0.79(14)-4.93=84.53 \end{gathered}$

And as you can see, the deviation of values from the table to calculated becomes smaller. Hence, this is the best model.

d) We put x = 3 on the third equation and solve for y,

$y=4.19(1.02)^3=4.45_{}_{}$

Again, the value that we get is not equal to 2.25, hence, this equation is not a good model. But since its value is close to 2.25, we try to other values of x. If x = 5, we get

$y=4.19(1.02)^5=4.63$

where the answer's deviation is too large compared to the value of y if x = 5 on the table given.

Based on the calculations used above, the best equation that can be a good model is equation 3.

5 0

1 year ago

Plz help me! ASAP! Thanks!

Orlov [11]

Just add 5 on both sides:
x-5>10
x>15

6 0

4 years ago