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dybincka [34]
3 years ago
15

Find cos B. I need more words

Mathematics
1 answer:
densk [106]3 years ago
6 0

Answer:

9/41

Step-by-step explanation:

(refer to to attached diagram)

In our case,

Cos B

= adjacent length / hypotenuse

= BC / AB

= 18 /82  (divide numerator and denominator by 2)

= 9/41

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Pablo is dividing a dish of brownies for a party. The brownie mix cost $2.89. He cuts the brownies into squares that measure 3 i
d1i1m1o1n [39]
Okay so if the pan is 12 inches wide you can divided 3 inches by that and get 4. Then do the same thing for the length, 18, and you get 6. Multiply 6 by 4 to get the number of brownies Pablo cut.

You can check my answer by drawing a box on a piece of paper, and drawing little boxes inside. Keep in mind that each brownie is 1 unit, or 3 inches.
8 0
3 years ago
2х + Зу = 9
umka2103 [35]

Answer:

3

Step-by-step explanation:

Given the 2 equations

2x + 3y = 9 → (1)

- 2x + 2y = 6 → (2)

Adding the 2 equations term by term will eliminate x

(2x - 2x) + (3y + 2y) = (9 + 6), that is

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y = 3

5 0
4 years ago
M u c h h e l p n e e d e d
ddd [48]

Answer:

Statements 2 and 3 are true

Step-by-step explanation:

Reading from the table

When x = -4, y = -1  so statement 1 is false

When x = -1, y = -2.5 so statement 2 is true

When x = 0, y = -3  so statement 1 is true

When x = 2, y = -4 so statement 2 is false

6 0
3 years ago
27. Which expression is NOT equivalent to the other expressions?
Dahasolnce [82]

Answer:

C.

Step-by-step explanation:

Choice A:

(4x^2y)^2=(4x^2y)(4x^2y)=(4 \cdot 4)(x^2 \cdot x^2)(y \cdot y)=(16)(x^{2+2})(y^{1+1})=16x^{4}y^{2}

Choice B:

16x^4y^2 appears exactly the same as choice A simplified.

Choice C:

16x^2y^4 is not the same as A or B since x doesn't have power 4 and y doesn't have power 2.

Choice D:

4^2x^4y^2=(4 \cdot 4)x^4y^2=16x^4y^2 is the same as A and B.

So the only odd ball is C.

6 0
3 years ago
I'm ABC, the measure of
Andreas93 [3]

Answer: D,E,F,G

It's self explanitory

3 0
3 years ago
Read 2 more answers
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