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Blababa [14]
3 years ago
7

Help please!

Mathematics
1 answer:
Akimi4 [234]3 years ago
5 0

Answer:

I think it's the 3rd choice

Step-by-step explanation:

\sqrt{81}  = 9

\sqrt{88}  = 9.38083...

\sqrt{100}  = 10

I think it is the third choice because it is between the numbers 9 and 10.

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I'm unsure how to solve for w, can someone please help?
iren2701 [21]

Answer:

w = 1/2

Step-by-step explanation:

One of the ways to solve problems using log is to use these two equations that use the same variables and plug in numbers.

log b (a) = c

b^c = a

By plugging in the numbers we get this:

log 16 (4) = w

16^w = 4

w = 1/2

4 0
3 years ago
Identify the graph of the equation. What is the angle of rotation for the equation?<br><br>xy=-2.5
Maurinko [17]

Answer:

It is B. hyperbola, 45 degrees.

SteIt is p-by-step explanation:

If we rotate the standard form  x^2 - y^2 = 1 through 45 degrees we get xy = 1/2.

xy = -2.5 comes from x^2 - y^2 = -5  being rotated 45 degrees.

3 0
4 years ago
Read 2 more answers
NUMERATOR<br> DENOMINATOR<br><br> 4/40
Andreyy89

Answer:

4 = numerator

40 = denominator

7 0
3 years ago
Read 2 more answers
Help please!!!!!!!!!!!!!!!!!!
DedPeter [7]

Answer:

3/4

Step-by-step explanation:

We want to find the probability that a student has a dog given that they have a cat, this means that the information given from the side that says " does not have a cat " is irrelevant and we only look at the information from the side that says " has a cat "

Probability = favorable outcomes / total # of outcomes

Favorable outcomes = Having a cat and dog , 6 students have both a cat and dog so favorable outcomes = 6

Total # of outcomes = total # of students that have a cat whether they have a dog or not. Total # of tudents that have a cat = 6 + 2 = 8

So probability of having a dog given that they have a cat = 6/8 or 3/4

6 0
2 years ago
The wheels of a bicycle have a diameter of 70cm. How many meters will the bicycle travel if each wheel makes 50 revolutions
slava [35]

Answer:

see explanation

Step-by-step explanation:

1 revolution is equivalent to the circumference of the wheel

1 revolution = πd ( d is the diameter )

                    = 70π cm

50 revolutions = 70π × 50 = 3500π cm = 35π m ≈ 110m ( nearest metre )


5 0
3 years ago
Read 2 more answers
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