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kvv77 [185]
3 years ago
15

2/3 of a number is 11 work out half the number

Mathematics
2 answers:
gtnhenbr [62]3 years ago
7 0
8.25

Look at the attached photo. We see that with the equation we need to get the x alone, to do this we need to get rid of 2/3. To get rid of 2/3 we multiply by the opposite of its. The opposite of 2/3 is 3/2. This cancels out the 2/3 and makes the 11 into 16.5. We then multiply 16.5 with 1/2 and get the final answer of 8.25.

Hope this helps! Please make me the brainliest, it’s not necessary but appreciated, I put a lot of effort and research into my answers. Have a good day, stay safe and stay healthy.

Ugo [173]3 years ago
3 0

Answer:

33/4

Step-by-step explanation:

Let n = number

2/3 * n = 11

Multiply each side by 3/2

3/2 * 2/3 n = 11 * 3/2

n = 33/2

We want to find 1/2 of n

1/2 * 33/2 = 33/4

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Which graph shows a dilation?
dimulka [17.4K]

Answer:

The third one.

Explanation:

A dilation is a shrink or a stretch of a figure.  

In a dilation, all sides either increase or decrease by the same scale factor.  Additionally, in a dilation the angle measures of the figure do not change.

In the first figure, we can see that the base angles of the pre-image are slightly different than those of the image.  This is not a dilation.

In the second figure, the angles are noticeably different; again, not a dilation.

In the fourth figure, much like the second figure, the angles are noticeably different.  This is not a dilation.

In the third figure, however, we can see that the slanted sides of the larger figure go through three boxes; they are three units long.  Additionally we can see that the slanted sides of the smaller figure go through 1 side; this is a dilation b a factor of 3.  

The base sides of the third figure, in the larger shape, are 6 units long; in the smaller figure, they are 2 units long.  This is a dilation by a factor of 3.

6 0
3 years ago
Read 2 more answers
Please help!! I will give a good rating and brainliest if it let's me!!!!
zvonat [6]

Answer:

3/4 is the slope

Step-by-step explanation:

slope= mx+b

so,

(10,30) is an exact meet

so is (50,60)

so what is the rise/run

answer

30/40

or

3/4

so mx+b=

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5 0
2 years ago
(7^2)^6=7^2 X^6<br><br> Value of x
borishaifa [10]

X±49

   ___

Cubed square root of 7 or decimal form of ±25.615140

8 0
3 years ago
Is y=9x proportinal?
igor_vitrenko [27]

Answer:

yeah it is

y is directly proportional to x

proportionality constant is 9

7 0
3 years ago
An airplane is flying from New York city to Los Angeles.The distance it travels in Miles, D, is related to the time in seconds,
deff fn [24]

We have been given an equation d=0.15t that represents the distance an airplane travels in Miles (d) is related to the time in seconds (t).

A. Upon substituting t=1 in our equation we will get,

d=0.15\times 1

d=0.15

We can see that our plane is travelling at rate of 0.15 miles per second.

\text{Speed of plane }=0.15\frac{\text{miles}}{\text{second}}

Therefore, plane is flying at the rate of 0.15 miles per second.

B. To find distance traveled by airplane in 30 seconds we will substitute t=30 in our given equation.

d=0.15\times 30

d=4.5  

Therefore, plane will travel 4.5 miles in 30 seconds.

C. To find time it will take to travel 12.75 miles we will substitute d=12.75 in our given equation.

d=0.15\times t

12.75=0.15\times t

t=\frac{12.75}{0.15}=85

Therefore, plane will take 85 seconds to travel 12.75 miles.

6 0
2 years ago
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