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3 years ago

7

At the nursery, the ratio of red flowers to yellow flowers is 5:4. If there are 28 yellow flowers, how many red flowers are ther

e?

1 answer:

galben [10]3 years ago

7 0

There 35 red flowers.

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The expression sin 57° is equal to

ValentinkaMS [17]

Answer:

$cos(33^{\circ})$

Step-by-step explanation:

Given

$sin(57^{\circ})$

Required

Determine an equivalent expression

In trigonometry:

$sin(\theta)= cos(90^{\circ} - \theta)$

In $sin(57^{\circ})$

$\theta=57^{\circ}$

Substitute $57^{\circ}$ for $\theta$

in $sin(\theta)= cos(90^{\circ} - \theta)$

$sin(57^{\circ})= cos(90^{\circ} - 57^{\circ})$

$sin(57^{\circ})= cos(33^{\circ})$

Hence, the equivalent expression is: $cos(33^{\circ})$

5 0

3 years ago

If the coordinates of point A are (-3,2) and the coordinates of point B are (7,6) the x intercept of cd is

Rainbow [258]

You have to use the equation which has just slipped my mind. It say x1-y1 over x2-y2. Then you will find x. I am so sorry this equation name slipped my mind. If I remember I will let you know.

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3 years ago

The diameter of the larger circle is 10.5 cm. The diameter of the smaller circle is 4.5 cm.

blondinia [14]

4.5 / 2 = 2.25cm radius for the smaller circle

3.14 (pi) × 2.25² = 15.89625cm²

10.5 / 2 = 5.25cm radius for the larger circle

3.14 × 5.25² = 86.54625cm²

86.54625 - 15.89625 = <span>70.65cm</span>²

The answer is 70.7cm².

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3 years ago

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Four married couples have bought 8 seats in the same row for a concert. in how many different ways can they be seated

Dimas [21]

If no restrictions 40,320

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3 years ago

Examine the number patter below 1,2,3,5,8,13,21

almond37 [142]

The sequence is the Fibonacci sequence!

It works like this.

1+2=3

2+3=5

3+5=8

5+8=13

8+13=21

and so on.

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3 years ago

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