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vovikov84 [41]
3 years ago
5

Is 9.7.... A whole number,integer,rational number,irrational number,or a real number

Mathematics
1 answer:
NARA [144]3 years ago
5 0
9.7 is a rational number and a real number.


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Transversal t cuts parallel lines rand s. Which angles must be congruent to 22?
Nesterboy [21]
The answer is A 3,6,7
5 0
3 years ago
Find the 20th term of the arithmetic sequence
Irina18 [472]
First we must look at the sequence 15,9,3,-3...

You can see that the value is decreasing by 6 every term. Because the rate is drawing at a constant rate the sequence must be linear, meaning that the slope is -6.

If we look at the general function of a line in slope intercept form:

y = mx + b
where m is the slope and b is the y intercept. The trick to find the y intercept is to go backwards, in other words what was the previous term? 15+6=21. Therefore, m=-6 and b=21 and thus,

y =  - 6 x+ 21
Since we want to know the value of y even x=20 we obtain:

y =  - 6(20) + 21 \\  \\ y =  - 99
4 0
4 years ago
Read 2 more answers
Find the tangent of angle Θ in the triangle below.
Rina8888 [55]

Answer: \frac{\sqrt{65}}{4}

Step-by-step explanation:

By the Pythagorean theorem, the unknown side has length

\sqrt{9^{2}-4^{2}}=\sqrt{65}

Therefore,

\tan \theta=\boxed{\frac{\sqrt{65}}{4}}

4 0
2 years ago
Can someone explain how to do this
lutik1710 [3]

Answer:

28 x 6

Step-by-step explanation:

You times 28 with 6 snice, there are 6 sides.

28 x 6 = 168 meters

Answer: 168 meters

3 0
3 years ago
Convert the rectangular coordinates (4√3,−4) to polar form. Let r>0 and 0≤θ<2π.
spayn [35]

Answer:

(8,150)

Step-by-step explanation:

Polar form is in,

(r,theta).

To find r, apply pythagorean theorem using both coordinates to find r.

(4 \sqrt{3} ) {}^{2}  + ( - 4 {}^{2} ) =  {r}^{2}

48 + 16 =  {r}^{2}

r = 8

To find theta, since we know the opposite and adjacent side, apply the tangent function.

\tan(x)  =  \frac{ - 4}{4 \sqrt{3} }

Apply inverse tan function

\tan {}^{ - 1} ( \frac{ - 4}{4 \sqrt{3} } )  =  - 30

Since the degrees have to be in between 0 and 360. Add 180 to -30.

- 30 + 180 = 150

So the answer is

(8,150).

3 0
3 years ago
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