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hoa [83]
2 years ago
7

ON A TIME LIMIT PLS HELP!!!! thank youu

Mathematics
1 answer:
Slav-nsk [51]2 years ago
5 0

Answer:

RQS=110

TQS=70

Step-by-step explanation:

(12x+2)+(7x+7)=180

The two equations added together give us a straight line which is angle 180

19x + 9 = 180

19x = 171

We solve for x

x = 9

Now that we have x we plus in to each equation

RQS= (12(9)+2)

= 110

TQS=(7(9)+7)

=70

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Find 26th term in the arithmetic sequence: -15,-35,-55,-75,...
disa [49]

Answer:

-515

Step-by-step explanation:

In this example the first value is −15 and every value afterwards is 20 less.

After substituting these values to above formula, we obtain:

All we have to do is add 25 twenties or 25 x 20 = 500 and -15 - 500 = -515

5 0
3 years ago
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What is the measure of the missing angle?
choli [55]

Answer:

<u><em>85 degrees</em></u>

Step-by-step explanation:

A triangle's angles must add up to 180 degrees.

50 + 45 = 95

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x = 85

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3 years ago
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Tính tích phân sau bằng cách dùng tọa độ cực I=∫∫ <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B%5Csqrt%7Bx%5E%7B2%7D%20%2B
xenn [34]

It sounds like <em>R</em> is the region (in polar coordinates)

<em>R</em> = {(<em>r</em>, <em>θ</em>) : 2 ≤ <em>r</em> ≤ 3 and 0 ≤ <em>θ</em> ≤ <em>π</em>/2}

Then the integral is

\displaystyle \iint_R\frac{\mathrm dx\,\mathrm dy}{\sqrt{x^2+y^2}} = \int_0^{\pi/2}\int_2^3 \frac{r\,\mathrm dr\,\mathrm d\theta}{\sqrt{r^2}} \\\\ = \int_0^{\pi/2}\int_2^3 \mathrm dr\,\mathrm d\theta \\\\ = \frac\pi2\int_2^3 \mathrm dr \\\\ = \frac\pi2r\bigg|_2^3 = \frac\pi2 (3-2) = \boxed{\frac\pi2}

5 0
2 years ago
I need help pls help me what is the answer to -2(8)
AnnZ [28]

Answer:

-16

Step-by-step explanation:

hope this helps love <3

3 0
3 years ago
6. Ashley bought 4 packages of juicek
olasank [31]
18

Explanation:
4x6=24
2x3=6
24-6=18

Hope this helps!:)
6 0
3 years ago
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