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Galina-37 [17]
3 years ago
8

If a = -2.6, what is the value of -a

Mathematics
2 answers:
7nadin3 [17]3 years ago
8 0

if a = -2.6

then -a = -(-2.6)

so -a =2.6

Maksim231197 [3]3 years ago
6 0

-2.6 + -2.6= 5.2......right? Or am I looking at this wrong?

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Please I need a lot can someone help
Elodia [21]

Use the substitution method

V= s^3

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Answer : 8 cm^ 3 - A

4 0
3 years ago
For which value of theta is cot theta equal to cos theta?
Oksi-84 [34.3K]

Answer:

\frac{cos \theta}{sin \theta}= cos \theta

If we multiply by cross we got:

cos \theta = sin \theta cos \theta

We can divide both sides of the last equation by cos \theta and we got:

sin \theta = 1

And if we apply arcsin in both sides we got:

\theta = arcsin (1) = \frac{\pi}{2}

And the best solution would be:

C) pi/2

Step-by-step explanation:

For this case we want to solve the following equation:

cot \theta = cos \theta

And we know that by definition cot \theta = \frac{cos \theta}{\sin \theta}

And replacing we got:

\frac{cos \theta}{sin \theta}= cos \theta

If we multiply by cross we got:

cos \theta = sin \theta cos \theta

We can divide both sides of the last equation by cos \theta and we got:

sin \theta = 1

And if we apply arcsin in both sides we got:

\theta = arcsin (1) = \frac{\pi}{2}

And the best solution would be:

C) pi/2

8 0
3 years ago
Three students earned $48.76 at the bake sell. The students split the earnings evenly, how much did each student recieve?
Maru [420]
Well, $48.76 divided by 3 = 16.25333333333333

So, each student will get $16.25 with a penny left over.
8 0
4 years ago
At birth, the ratio of a baby's head length to the length of the rest of its body is
postnew [5]

I would love to help but I don't know I'm so sorry

8 0
1 year ago
Alicia has 3/4 bag of cat food. Her cat eats 1/10 of the food per week. how many weeks will the food last
Sliva [168]

Answer:

It would last 7 1/2 weeks if i'm correct

5 0
3 years ago
Read 2 more answers
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