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Greeley [361]
2 years ago
14

8/9 divided by 2/9 Write the expression in unit form. Please explain.

Mathematics
2 answers:
Nikitich [7]2 years ago
7 0
8/9 divided by 2/9

You cant divide fractions so you switch it to muliplication. You also need to find the reciprocal so it would be 8/9 times 9/2. You could simplify 8/9 into 4/1 and simplify 9/2 into 1/1. 4/1 times 1/1 equals 4/1 also known as 4. Your answer would be 4.
mamaluj [8]2 years ago
4 0
8/9 divided by 2/9
is equal to the expression
8/9 times 9/2
~~~~~~~~~~~~~cross this line to solve~~~~~~~~
multiply both the numerators and the denominators together
(8*9) (9*2)
you will get 72/18
which is simplified to 4
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Conor has a roll of fence that is 25 feet long. He needs 8 yards of fence to go around a flower bed. Does he have enough fence t
vlabodo [156]

Answer:

Yes he has enough fence to go round the flower bed.

Step-by-step explanation:

1 yard = 3 feet

25 feet = 25/3 = 8.33 yards

Yes he has enough fence to go round the flower bed.

8 0
2 years ago
- In the following diagram of triangle QRS, QR = 8 and QS = 17. Determine the value of sin Q. Show how you
dimaraw [331]

Answer:

SinQ=\frac{15}{17}

Step-by-step explanation:

We draw the right triangle as shown in the image attached.

Δ QRS

Where R is the right angle

Given

QR = 8

QS = 17

Now, using Pythagorean Theorem, we can find RS:

QR^2+RS^2=QS^2\\8^2+RS^2=17^2\\RS^2=17^2-8^2\\RS^2=225\\RS=\sqrt{225}\\RS=15

Now, we know the ratio Sine as:

Sin(\theta)=\frac{Opposite}{Hyotenuse}

Where \theta is the angle (here angle Q)

Opposite side is RS (which is 15)

Hypotenuse is given as QS (which is 17)

So,

SinQ=\frac{15}{17}

This is the value of SinQ.

We don't want the angle, so we'll stop here.

5 0
2 years ago
Central school is hosting a “central has talent” show. They will award various prizes for the best 3 acts in the show. First pla
Serjik [45]
Well you didn't post the expressions but let X be the amount of money for first place. This means X-50 would be the amount of second place because <span>each subsequent place after 1st wins $50 less than the previous place. Thirds, would be X-50-50 or X-100

Thus the total amount of money would be all of the values combined which is X+X-50+X-100=3X-150
</span>
8 0
2 years ago
Suppose that 3% of all athletes are using the endurance-enhancing hormone EPO (you should be able to simply compute the percenta
trapecia [35]

Answer:

Step-by-step explanation:

So there is a 3% probability that an athlete is using EPO .

The probability of showing positive on a test when you've used it is 0.99.

3% x 0.99= 2.97%

The probability of a positive result without EPO is 0.1

97% x 0,1 = 9,7 %

My guess is that 2.97% + 9,7% = 12.67% or 0.1267.

I don't know i may be wrong because you've put as an answer 0.0297 but if you like you may take only the first part of the answer.

6 0
2 years ago
A yard is equal in length to three feet. The function f(x) takes a measurement in yards (as input) and returns a measurement in
Grace [21]
If it takes yards and turns it into feet then it just multiplies it by 3

so if the input is 10.5 then you just multiply it by three

31.5 feet is the imput
3 0
2 years ago
Read 2 more answers
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