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2 years ago

A box contains 42 red counters, 90 yellow counters and no other counters.

Mathematics

1 answer:

Luba_88 [7]2 years ago

8 0

Answer:

1, 2, 3, 6

Step-by-step explanation:

This questions is asking the GCF of 42 and 90. To find them, we have to find all their factors.

42 90

1, 42 1, 90

2, 21 2, 45

3, 14 3, 30

6, 7 5, 18

6, 15

9, 10

Now we find the numbers that match up.

They both share 1, 2, 3, and 6 thus this is our answer

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What is (-33x-78)+(5x8x9x10)divided by9.75

kherson [118]

Answer:

6,174

Step-by-step explanation:

(-33 * - 78) + (5 * 8 * 9 * 10)

Remove the brackets:

-33 * - 78 + 5 * 8 * 9 * 10

Solve like so:

-33 * - 78 = 2,574

5 * 8 * 9 * 10 = 3,600

(2,574) + (3,600)

2,574 + 3,600 = 6,174

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3 years ago

What are the ratios of sine, cosine, and tangent for angle Y? sin(Y) = StartFraction X Z Over X Y EndFraction; cos(Y) = StartFra

Sholpan [36]

Answer:

$\sin Y= \frac{XZ}{XY}$

$\cos Y= \frac{YZ}{XY}$

$\tan Y= \frac{XZ}{YZ}$

Step-by-step explanation:

Given

See attachment for triangle

Required

Find $\sin, \cos$ and $\tan$ of angle Y

For angle Y:

$Opposite = XZ$

$Adjacent = YZ$

$Hypotenuse = XY$

The $\sin$ of an angle is calculated as:

$\sin\theta = \frac{Opposite}{Hypotenuse}$

So:

$\sin Y= \frac{XZ}{XY}$

The $\cos$ of an angle is calculated as:

$\cos\theta = \frac{Adjacent}{Hypotenuse}$

So:

$\cos Y= \frac{YZ}{XY}$

The $\tan$ of an angle is calculated as:

$\tan\theta = \frac{Opposite}{Adjacent}$

So:

$\tan Y= \frac{XZ}{YZ}$

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2 years ago

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Gnom [1K]

Answer:

20/3

Step-by-step explanation:

(3/8)*(10/9)*16

This is 30/72 = 5/12

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1 year ago

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