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Fittoniya [83]
3 years ago
15

Find an exact value. (2 points) cos 15°

Mathematics
1 answer:
aalyn [17]3 years ago
3 0

Answer:

wait...................

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Kyle Eunice has 78 blocks. She stacked it in such a way that the topmost row has one block, the row below it has two blocks, and
myrzilka [38]

Answer:

12

Step-by-step explanation:

1

2

3

4

5

6

7

8

9

10

11

12

1+2+3+4+5+6+7+8+9+10+11+12=78

6 0
2 years ago
Which function represents the quadratic function f(x) = x^2 after a vertical stretch by a factor of number 2?
Zielflug [23.3K]
C is your answer. The coefficient on the x value is always a stretch factor.
3 0
2 years ago
The difference between two numbers is 9 and the product of the numbers is 162. Find the two numbers
fiasKO [112]
Let the no be X and Y

acc to ques....

x-y=9 .........1

xy=162 ..........2

substituting value from 1 in 2 we get;

x=9+y

[9+y][y] = 162

y^2+9y = 162

y^2 + 9y - 162=0

y^2 + 18y - 9y - 162=0

y[y+18] + 9[y+18]=0

[y+9][y+18}

y= -9.................................3


y= -18......................................4



case 1 :

y= -9

x = 9-9=0

case 2:

y= -18

x= 9-18 = -9
7 0
3 years ago
What is the lateral area of the drawing?
katrin2010 [14]

The lateral area of the shape is the sum of the area of all lateral faces.

The area of the lateral face that is rectangle with sides 5 mi and 2 mi is

A=5\cdot 2=10\ mi^2.

As you can see the shape has all four lateral faces of the same rectangular form with the same sides lengths, therefore,

LA=4A=4\cdot 10=40\ mi^2.

Answer: correct choice is B.

8 0
3 years ago
-13 +(-4)-(2-10) +8.
Zolol [24]
I believe the answer is -1
3 0
2 years ago
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