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3 years ago

Find the value of each variable round your answer to the nearest 10th

Mathematics

1 answer:

Vanyuwa [196]3 years ago

5 0

Answer:

10 for x and y

Step-by-step explanation:

Because the triangle adds up to 30 deggrees

So... you want to take 4 out.

30- 4 = 24

Than...You want to divided 24 by 2.

And that equals 12

Than round 12's by tenth

Which equals 10

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Find the value of k so that the remainder is -26 for<br> (x^4+kx^3-7x^2 +8x-10)+(x+4).

HACTEHA [7]

578 because yea yea yea yea yea

5 0

3 years ago

How do I answer my question

pychu [463]

Sorry to say this but what do u even mean by HOW DO I ANSWER MY QUESTION

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4 years ago

Find the sum of the first 7 terms of the series. 6-12+24-48+...

Mkey [24]

Answer: 258

Step-by-step explanation:

Since, the sum of GP is,

$S_{n}=\frac{a(r^n-1)}{r-1}$

where r is the common ratio,

a is the first term,

n is the number of term,

Here, series is, 6, -12, 24, -48, _ _ _ _

Which is a GP ( Because there is common ratio in the given consecutive terms )

So, for the above series, a = 6, r = $\frac{6}{-12}=-2$ and n = 7,

⇒ $S_{7}=\frac{6(-2^7-1)}{-2-1}$

⇒ $S_{7}=\frac{6(-128-1)}{-3}$

⇒ $S_{7}=\frac{6(-129)}{-3}$

⇒ $S_{7}=\frac{774}{3}=258$

Thus, the sum of the 7 terms of the given series is 258.

7 0

3 years ago

Read 2 more answers

What is the value of p²q² given that p=10 and q=8?

vichka [17]

Answer:

6400

Step-by-step explanation:

Substitute the given value into the expression

p²q²

= 10² × 8²

= 100 × 64

= 6400

4 0

3 years ago

Read 2 more answers

What are the next two terms in the sequence 1,-3,6,-10,15,-21,

kow [346]

Answer:

28, - 36

Step-by-step explanation:

We are given a sequence of 1, - 3, 6, - 10, 15, -21, ..........

Now, the difference of 2nd and 1st term is (- 3 - 1) = - 4 = - 2²

Again, the difference of 3rd and 2nd term is [6 - ( -3)] = 9 = 3²

Now, the difference of 4th and 3rd term is [- 10 - 6] = - 16 = - 4²

Again, the difference of 5th and 4th term is [15 - ( -10)] = 25 = 5²

Now, the difference of 6th and 5th terms is [- 21 - 15] = - 36 = - 6²

Therefore, the difference of the terms are - 2², 3², - 4², 5², - 6², ..........

From this sequence, it is clear that the next two differences will be 7² i.e 49 and - 8² i.e. -64

Therefore, the next two terms of the original sequence will be (- 21 +49) = 28 and (28 - 64) = -36. (Answer)

4 0

3 years ago