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iragen [17]
3 years ago
13

1. Mary is making a necklace by alternating red, yellow, and green beads. In

Mathematics
1 answer:
Feliz [49]3 years ago
6 0

Answer:    20/ 60 = 1/3

Step-by-step explanation:

60 beads in total which makes that the denominator and how many red beads in the numerator (20) then just reduce the fraction

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Help me please I got to finish it
Scorpion4ik [409]

Answer:

\frac{52}{63}

4 0
3 years ago
The density of oxygen is 0.001429 grams per cubic centimeter. How is this number written in
Anika [276]

We have been given that the density of oxygen is 0.001429 grams per cubic centimeter. We are asked to write the given number in scientific notation.

To convert a number into scientific notation, we write the given number as product of two numbers. One factor is a number between 1 and 10, while the 2nd factor is power of 10.  

When a decimal is to the left of given number, then we need to move the decimal to right such that the number gets between 1 and 10. Then, we multiply the number by negative power of 10 that many times, we moved the decimal to right.    

We can see that decimal is to left of our number. To place decimal after 1, we have to multiply 10 to 3 times. To keep the value of number same we will multiply the same negative power (negative 3).

0.001429\times 10^3\times 10^{-3}

(0.001429\times 10^3)\times 10^{-3}

(1.429)\times 10^{-3}

1.429\times 10^{-3}

Therefore, the number 0.001429 will be 1.429\times 10^{-3} in scientific notation.

7 0
3 years ago
If these two shapes are similar, what is the measure of the missing length x?
Rus_ich [418]

Answer:

x=22\ yd

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional

so

\frac{x}{14}=\frac{77}{49}

solve for x

x=\frac{77}{49}(14)

x=22\ yd

6 0
3 years ago
Write an equation for the line that is parallel to y = 2x + 6 and passes through (-1,5).
Fantom [35]

Answer:

y=2x+7

Step-by-step explanation:

A linear equation is typically organized in the form y=mx+b, where m is the slope of the line and b is the y-intercept (the y-coordinate of the point on the line that crosses the y-axis).

Parallel lines <em>always</em> have the same slope. When we examine the given equation, y=2x+6, we can identify immediately that 2 is in the place of m, the slope. This means that the slope of the line we're trying to solve for is also 2. So far, our equation looks like this:

y=2x+b

The last thing we need to calculate is b, the y-intercept. We can do this by plugging in the given point (-1,5) as x and y.

y=2x+b

5=2(-1)+b

5=-2+b

Add 2 to both sides to isolate b

5+2=-2+b+2

7=b

Now that we know b, we plug that into our original equation and now we have a final equation of:

y=2x+7

I hope this helps!

6 0
3 years ago
Evaluate the expression (4p - m) divided by 4 where m= -4 and p = 2. Show your work
artcher [175]

Answer:

I'm not sure if you meant that when you said "divided by 4"

7 0
3 years ago
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