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VMariaS [17]
3 years ago
13

In making a keychain,Sara uses a pattern of beads 3 times. After the key chain is complete, what fraction of the beads in the ke

y chain are either blue or red ?
Mathematics
1 answer:
podryga [215]3 years ago
4 0
1/2 of the beads will be blue, and 1/2 of them would be red Hope this helped!
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How to calculate rational numbers ​
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Hi my lil bunny!

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The simplest method to find a rational number between two rational numbers x and y is to divide their sum by 2.

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Have a great day/night!

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8 0
3 years ago
Prove the identity.<br>cosx sin (x+y) - sinx cos(x+y) = siny​
Jet001 [13]

Answer:

In the explanation

Step-by-step explanation:

Going to start with the sum identities

sin(x+y)=sin(x)cos(y)+sin(y)cos(x)

cos(x+y)=cos(x)cos(y)-sin(x)sin(y)

sin(x)cos(x+y)=sin(x)cos(x)cos(y)-sin(x)sin(x)sin(y)

cos(x)sin(x+y)=cos(x)sin(x)cos(y)+cos(x)sin(y)cos(x)

Now we are going to take the line there and subtract the line before it from it.

I do also notice that column 1 have cos(y)cos(x)sin(x) in common while column 2 has sin(y) in common.

cos(x)sin(x+y)-sin(x)cos(x+y)

=0+sin(y)[cos^2(x)+sin^2(x)]

=sin(y)(1)

=sin(y)

6 0
3 years ago
Nine years less than 5 times the age a
hichkok12 [17]
5a-9
I think this is the answer I am a little unsure of what the question is.
4 0
3 years ago
Read 2 more answers
What is the simplified base of the function f(x) = One-fourth (Root Index 3 StartRoot 108 EndRoot) Superscript x?
Rainbow [258]

Answer:

The base is: 3 \sqrt[3]{4}

Step-by-step explanation:

Given

f(x) = \frac{1}{4}(\sqrt[3]{108})^x

Required

The base

Expand 108

f(x) = \frac{1}{4}(\sqrt[3]{3^3 * 4})^x

Rewrite the exponent as:

f(x) = \frac{1}{4}(3^3 * 4)^\frac{1}{3}^x

Expand

f(x) = \frac{1}{4}(3^3^\frac{1}{3} * 4^\frac{1}{3})^x

f(x) = \frac{1}{4}(3 * 4^\frac{1}{3})^x

Rewrite as:

f(x) = \frac{1}{4}(3 \sqrt[3]{4})^x

An exponential function has the following form:

f(x)=ab^x

Where

b \to base

By comparison:

b =3 \sqrt[3]{4}

So, the base is: 3 \sqrt[3]{4}

4 0
3 years ago
PLEASE HELP!!!
34kurt

Answer:

n = m-a

Step-by-step explanation:

The formula is :  ...(1)

a is actual cost of an item

m is original price

n is amount of coupon

We need to solve the formula for the amount of coupen.

Subtracting m to the both sides of equation (1).

a-m = m-n-m

-n=a-m

or

n = m-a

So, the formula for the amount of coupon is n = m-a.

8 0
3 years ago
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