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svp [43]
3 years ago
7

Sandy has four boxes filled with pink ribbons and yellow ribbons. The table shows the number of pink and yellow ribbons in each

box.
Box Number
Pink Ribbons
Yellow Ribbons
1
4
5
2
16
20
3
12
15
4
36
45

A fifth box has pink and yellow ribbons in the same proportion as Sandy’s first four boxes. Which tables could represent box number 5?
Mathematics
1 answer:
Virty [35]3 years ago
7 0
There would be 3 boxes of pink ribbon and 2 of yellow ones
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Simplify (5x-7) (2x+3) (7x-8)
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Answer:

70x³ - 73x² - 155x + 168

Step-by-step explanation:

Given

(5x - 7)(2x + 3)(7x - 8) ← expand the first pair of factors using FOIL

= (10x² + x - 21)(7x - 8)

Each term in the second factor is multiplied by each term in the first factor, that is

10x² (7x - 8) + x(7x - 8) - 21(7x - 8) ← distribute the 3 parenthesis

= 70x³ - 80x² + 7x² - 8x - 147x + 168 ← collect like terms

= 70x³ - 73x² - 155x + 168

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3 years ago
If the measure of angle ACB is 65 degrees, find the measure of angle BCD
jolli1 [7]

Answer:

the answer is 25

Step-by-step explanation:

you take 65 and add 90 to it because there is an angle that is 90 and you should get 115 then you take 115 and subtract it from 180. and you will get 25 and 25 is your answer.

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6 0
3 years ago
Calculate the value of angle A and C of ∆ ABC. Where b=1435cm, a= 782cm and B= 115.6°.​
Monica [59]

The Law of Sines says

\dfrac{\sin A}{a} = \dfrac{\sin B}{b} = \dfrac{\sin C}{c}

\sin A = \dfrac a b \sin B

A = \arcsin( \dfrac{782}{1435} \sin 115.6 ) = 29.44^\circ

We don't have to worry about the obtuse supplement because a triangle can only have one obtuse angle, and that's B.

C = 180 - 115.6 - 29.44 = 34.96^\circ

Answer: A=29.44°, C=34.96°

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What is the equation that models the sequence 6,12,24,48
labwork [276]
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Pls help me with this
Julli [10]

Answer:

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Step-by-step explanation:

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