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krek1111 [17]
3 years ago
10

What value of x makes x/20 and 3/4 proportionate

Mathematics
2 answers:
hodyreva [135]3 years ago
8 0
The Answer is x=15. Good luck!
lara31 [8.8K]3 years ago
6 0

Answer:

Step-by-step explanation:

the fractions have to be equivalent to be in proportion so notice that

20 = 4·5  so

\frac{3}{4} = \frac{3*5}{4*5} = \frac{15}{20}

x= 15 because  15/20 is proportionate with 3/4

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Check all of the ordered pairs that satisfy the equation below.
stiv31 [10]

Answer:

Hey there!

y=3/4x shows that the y-value is always 3/4 of the x-value.

Thus, if x is 4, y is 3. It always fits the 4:3 ratio.

The ordered pairs that satisfy this equation are: 28:21 and 16:12

Let me know if this helps :)

6 0
3 years ago
X + y = -15, what is the answer?
kvv77 [185]

Answer:

10+5=15

Step-by-step explanation:

8 0
3 years ago
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Please help me I really need this and show your work if possible
kogti [31]
The temperature at 9 am was -11 degrees.

We know that at 5 am, it was -7 degrees. Since the change of temperature is a negative number, then we subtract the absolute value of the change from -7. -7 - 3 = -10. Following this pattern, we then have:
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-17 + 6 = -11 (8 am - 9 am, added since it was a positive change of temperature)

And our final answer is -11 degrees Fahrenheit.
5 0
3 years ago
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Which number is irrational?
Vsevolod [243]

Answer:

√10.

Step-by-step explanation:

Any square root of a number which is not a perfect square is irrational . In the UK these are called surds.

So √16 = 4 and is rational but √10 is irrational.

6 0
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15+15a = 48 + 6a what does a equal ??
Hoochie [10]

Answer:

єχα¢т fσям:α= 11/3

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Step-by-step explanation:

нσρє ι ¢συℓ∂ нєℓρ!!!!!!!!

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