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Deffense [45]
2 years ago
7

If z=4.0 and y=5.6, what is the value of x?

Mathematics
1 answer:
VLD [36.1K]2 years ago
8 0
Where does X fit into this equation?
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Need help with this please
aleksandrvk [35]

Answer: 9 cm

Step-by-step explanation:

By multiplying 5 by 3, you get 15. this would also apply to finding the other side of the rectangle, where you multiply 3 by 3 to get 9.

7 0
3 years ago
Simplify: (sin θ − cos θ)^2 − (sin θ + cos θ)^2 A) −4sin(θ)cos(θ) B) 2 C) sin^2 θ D) cos^2 θ
N76 [4]

Answer:

-4sinθcosθ

Step-by-step explanation:

Note:

1. (a + b)^2 = a^2 + 2ab + b^2

2. (a - b)^2 = a^2 - 2ab + b^2

3. sin^2θ + cos^2θ = 1

(sinθ -cosθ)^2 - (sinθ + cosθ)^2

= sin^2θ - 2sinθcosθ + cos^2θ - (sin^2θ + 2sinθcosθ + cos^2θ)

= sin^2θ + cos^2θ - 2sinθcosθ - (sin^2θ + cos^2θ + 2sinθcosθ)

= 1 - 2sinθcosθ - (1 + 2sinθcosθ)

= 1- 2sinθcosθ -1 - 2sinθcosθ

= - 2sinθcosθ - 2sinθcosθ

= -4sinθcosθ

3 0
3 years ago
Please help me on this one i need it
sergiy2304 [10]
Sophia is more correct in her solution.

7 0
3 years ago
Distributive property of 9*45
Mashutka [201]
<span>9*45
= 9(40 + 5)
= 360 + 45
= 405

answer
</span>Distributive property of 9*45 =  9(40 + 5)
8 0
3 years ago
Please help me find the value of each variable in the parallelogram
seropon [69]

Answer:

K=10 H=65

Step-by-step explanation:

To work out K, you need to know that opposite angles are the same, so 5k is the same as 50, 50÷5= 10, so k=10

To work out H, you know that opposite angles are the same so 2h is the same as 130, 130÷2=65 so h=65

4 0
3 years ago
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