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castortr0y [4]
3 years ago
5

Just number 8 please. Reply (asap).

Mathematics
1 answer:
ZanzabumX [31]3 years ago
7 0
4x + 15 = 79
- 15 -15

4x = 64

X = 64/4
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Sakura speaks 150150150 words per minute on average in Hungarian, and 190190190 words per minute on average in Polish. She once
d1i1m1o1n [39]

Answer:

300 words in Hungarian and 570 in Polish.

Step-by-step explanation:

I guess you need to know the number of words in Hungarian and in Polish.

Let H be the words he said in Hungarian, and P the words he said in Polish.

We are told that Sakura uttered a total of 270 more words in Polish than in Hungarian, therefore:

P = H + 270

And that I speak for 5 minutes, we know that the speed of words in Hungarian is 150 and in Polish it is 190, therefore:

5 = H / 150 + P / 190

Thus we have two equations and two unknowns, that is, it has a solution, replacing P:

5 = H / 150 + (H +270) / 190

5 = (190 * H + 150 * H + 270 * 150) / (150 * 190)

5 * 150 * 190 = 340 * H + 270 * 150

H = (5 * 150 * 190 - 270 * 150) / 340

H = 300

Therefore he said 300 words in Hungarian.

In Polish it would be:

P = 300 + 270 = 570

To check we have to:

300/150 + 570/190 = 5

Therefore, Sakura giving the instructions said 300 words in Hungarian and 570 in Polish.

8 0
3 years ago
Find the tenth term of the
REY [17]

Answer:

\frac{1}{128}

Step-by-step explanation:

The n th term of a geometric sequence is

a_{n} = a (r)^{n-1}

where a is the first term and r the common ratio, hence

a_{10} = 4 × (\frac{1}{2}) ^{9} = 4 × \frac{1}{512} = \frac{1}{128}

7 0
4 years ago
What is 3/8 of 2.40 please help me I am bad at maths
olga2289 [7]
2.40 / 8 = 0.3

0.3 * 3 = 0.9

Answer: 0.9 is 3/8 of 2.40
5 0
4 years ago
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Show that the operation * on X is binary such that X*Y=a/b.​
grandymaker [24]

Answer:

x=y

Step-by-step explanation:

you put x and then times the a that equal y

7 0
4 years ago
What is the domain of the function f(x) = 5x+2 when the range is {6, 8, 12}
Elan Coil [88]
The domain of the function are {0.8,1.2,2}
3 0
3 years ago
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