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Lilit [14]
3 years ago
6

Also can anyone help with these problems too?

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
7 0

Answer:

6. a

------

7. b

------

8. d

------

9. d

------

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What’s the answer I need help!!
Kruka [31]

Answer:

150

Step-by-step explanation:

add three x plus 30 get 30 then add 6y plus 120 and get 120 add them and get 150

8 0
3 years ago
Can someone please clearly explain how to correctly work out Q6? Much appreciated
steposvetlana [31]

s =1/2(u+v)t

u = 16, v=16, t=90

s = 1/2(16+16)90

s = 1/2(36)90

s = 16*90

s = 1440

4 0
3 years ago
Select the correct answer.<br> Which equation represents a function?
inn [45]

Answer:

C

Step-by-step explanation:

'x=' create vertical lines which are not functions whereas

'y=' create horizontal lines which are functions

7 0
3 years ago
4. See if you can find "like-terms" in the expression and
WITCHER [35]

Answer:

After finding like terms and solving, we get \mathbf{3x^2+3x+16}

Step-by-step explanation:

We need to find like terms and simplify the expression 4- 2x + x^2 + 5x + 12 + 2x^2

Like terms: The terms who have same variable and exponent are called like terms.

So, Combining like terms and solving:

4- 2x + x^2 + 5x + 12 + 2x^2\\=4+12-2x+5x+x^2+2x^2\\Now \ solving:\\=16+3x+3x^2\\Rearranging \ the \ terms:\\=3x^2+3x+16

So, after finding like terms and solving, we get \mathbf{3x^2+3x+16}

<u><em>Note: In the question given we have - and + sign with the term 5x</em></u> i.e 4- 2x + x^2 -+ 5x + 12 + 2x^2

I have solved using +5x, but if the term is -5x then the solution will be:

4- 2x + x^2 - 5x + 12 + 2x^2\\=4+12-2x-5x+x^2+2x^2\\Now \ solving:\\=16-7x+3x^2\\Rearranging \ the \ terms:\\=3x^2-7x+16

So, the answer will be: \mathbf{3x^2-7x+16}

7 0
3 years ago
What is the measure of angle x , rounded to the nearest hundredth?
rosijanka [135]

Answer:

The correct answer is option 1

23.96°

Step-by-step explanation:

Tan ∅ = Opposite side/Adjacent side

From the given figure we can see that it is a right angled triangle.

<u>To find the value of x </u>

Tan ∅ = Opposite side/Adjacent side

Opposite side = 4

Adjacent side = 9

Tan x = 4/9 = 0.4444

x = tan⁻¹ (0.4444) = 23.9624 ≈ 23.96°

Therefore the correct answer is first option.  

23.96°

5 0
3 years ago
Read 2 more answers
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