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3 years ago

I only need Q d please (the last question)

Mathematics

1 answer:

irinina [24]3 years ago

3 0

Answer:

December at -10

Step-by-step explanation:

first you rule out all positive numbers

then you finder the biggest number with a negative side and that is you lowest temperature

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Evaluate the expression x²-3y +12 for x= -2 and y = 5

n200080 [17]

Answer:

Step-by-step explanation:

x²-3y + 12
(-2)²-3(5) + 12
4 - 15 + 12
-11 + 12
1

4 0

3 years ago

!!!!Cosines / sines . Find a and round to the nearest 10th.

nadya68 [22]

I think Erica said I messed this one up. It looks the same. Oh yeah I think this was the one I thought $a=1.8=3\sqrt{2}-\sqrt{6}$ , Answer: 1.8.

Let's do it again.

$\dfrac{a}{\sin(180 - (15+105))}=\dfrac{2}{\sin 105^\circ}$

$a = \dfrac{2 \sin(60)}{\sin 105^\circ}$

$a \approx 1.8$

Yes, same as before.

4 0

4 years ago

Hi guys i cant get this question can yous please help me its due in two days

Natasha2012 [34]

Answer:

(2400+420).

Step-by-step explanation:

We can break this into the same pattern as the other numbers, giving us:

(60×40)+(60×7)

When we multiply these we get:

(2400+420).

7 0

4 years ago

How do you solve right triangles in trigonometry

Ann [662]

In trigonometry, to solve right triangles, we use sine, cosine, and tangent (their definitions, and the laws of sine and cosine) to help us fill in the blanks. Do you need more information (I'm rusty on law of sines and law of cosines, but pretty fresh on definitions and identities).

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3 years ago

What is the measure of Angle

postnew [5]

Answer:

90°

Step-by-step explanation:

90°

8 0

3 years ago

Read 2 more answers