Answer:
10:30
Step-by-step explanation:
Half an hour is 30 min
Answer:
c = 11.03 m
Step-by-step explanation:
In this given <em>right isoceles triangle</em>, one of the sides are labeled as 7.8 m. We'll label this side as "a."
The length of side "a" is congruent to the other side. Therefore, the measurement of the other side is also 7.8 m.
We can use the Pythagorean Theorem to solve for the measurement of the hypotenuse, side "c."
According to the Pythagorean Theorem:
.
We'll plug in the values for side "a" and side "b" into the formula:
![c^{2} = a^{2} + a^{2}](https://tex.z-dn.net/?f=c%5E%7B2%7D%20%3D%20%20a%5E%7B2%7D%20%2B%20a%5E%7B2%7D)
![c^{2} = 2a^{2}](https://tex.z-dn.net/?f=c%5E%7B2%7D%20%3D%20%202a%5E%7B2%7D)
![c^{2} = 2(7.8 m)^{2}](https://tex.z-dn.net/?f=c%5E%7B2%7D%20%3D%20%202%287.8%20m%29%5E%7B2%7D)
![c^{2} = 121.68 m^{2}](https://tex.z-dn.net/?f=c%5E%7B2%7D%20%3D%20%20121.68%20m%5E%7B2%7D)
To calculate the value of "c," we must take the squared root of
:
![\sqrt{c^{2}} = \sqrt{121.68}](https://tex.z-dn.net/?f=%5Csqrt%7Bc%5E%7B2%7D%7D%20%20%3D%20%5Csqrt%7B121.68%7D)
c = 11.03087 m or 11.03 m
By the way, the value of c = <em>a </em>
Let us assume the number of text books sold by <span>keller publishing = x
Then
Then </span>number of text books sold by <span>Scholastic books = 4x
The total number of text books sold = 7775
Then
x + 4x = 7775
5x = 7775
x = 1555
Then
The nu</span>mber of text books sold by Scholastic books = 4x
= 4 * 1555
= 6220
I hope the procedure is clear enough for you to understand.
Hello!
17 + 330 = 347
347 × 20 = 6,940
6,940 ÷ 102 = 68.039
68.039 ÷ 2 = 34.019
34.019 - 14 = 20.019
Hope This Helps You!
The last step is wrong since if you divide an inequality by a negative, you must also flip the direction of the inequality sign. To solve correctly:
- 6x + 10 > - 44
- 6x > -54
x < 9
i hope this helps! :D