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3 years ago

PLEASE WHOEVER ANSWERS ALL OF THEM GETS 80 POINTS AND BRAINLIEST

Mathematics

1 answer:

adoni [48]3 years ago

5 0

60 times 61 = 3660

First two circles will be 60, then the 3 squares is, from left to right, 360, add, you will get 3660.

5. 516

First two circles 36, next two squares, 48, add, 516

6. 1664

First three circles, 104, next three squares, 156.

8. 946

2 circles, 66, 2 squares, 88.

9. 6461

two circles, 71, 3 squares, 639 (I typed them all from left to right.)

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Which expression is equivalent to 3 7/8-6 1/4

Serhud [2]

get a common denominator which is 24

3 7/8 = 3 21/24

6 /4 = 6 6 /24

3 21/24 - 6 6 /24

big number minus small number take sign of larger

6 6/24

- 3 21/24

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5 30/24

3 21/24

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2 9/24

2 3/8

the sign of the larger is negative

-2 3/8

7 0

3 years ago

Am I dealing with harmonic stuff (trig)?

pochemuha

You just need to solve for when $y=0$ :

$\dfrac{\cos8t-9\sin8t}4=0\implies\cos8t-9\sin8t=0$

$\implies\cos8t=9\sin8t$

$\implies\dfrac19=\dfrac{\sin8t}{\cos8t}=\tan8t$

$\implies8t=\tan^{-1}\dfrac19+n\pi$

$\implies t=\dfrac18\tan^{-1}\dfrac19+\dfrac{n\pi}8$

where $n$ is any integer. We only care about when $0\le t\le1$ , which happens for $n\in\{0,1,2\}$ .

$t=\dfrac18\tan^{-1}\dfrac19\approx0.01$

$t=\dfrac18\tan^{-1}\dfrac19+\dfrac\pi8\approx0.41$

$t=\dfrac18\tan^{-1}\dfrac19+\dfrac\pi4\approx0.80$

8 0

4 years ago

The length of the rectangular tennis court at wimbledon is 6 feet longer than twice the width. if the court's perimeter is 240 f

KATRIN_1 [288]

Length (L): 2w + 6

width (w): w

Perimeter (P) = 2L + 2w

240 = 2(2w + 6) + 2(w)

240 = 4w + 12 + 2w

240 = 6w + 12

228 = 6w

38 = w

Length (L): 2w + 6 = 2(38) + 6 = 76 + 6 = 82

Answer: width = 38 ft, length = 82 ft

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3 years ago

Select all the correct answers.

krok68 [10]

Answer:

(x-1)(x-1) and (x-3)(x+2)

Step-by-step explanation:

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3 years ago

Please help!!!!!! Solve for x:

nordsb [41]

A
Explanation: You want to get x by itself. So add +7 to -7 to cancel it out, do the same thing to 4.
x-7=4
+7+7
x=11
x

8 0

2 years ago