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Amiraneli [1.4K]
3 years ago
14

Solve the following problems. Find x, y

Mathematics
2 answers:
natta225 [31]3 years ago
7 0

Step-by-step explanation:

by using similarity and enlargement

10/8 = 7+y/7

70=56+8y

8y=14

y= 7/4

10/8 = 5+x/5

50=40+8x

x = 8/10 = 4/5

siniylev [52]3 years ago
3 0

Step-by-step explanation:

7/7+y=8÷10

46+8y=70(Cross multiply)

8y=70-46

y=24÷8

y=3

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A and b are positive integers and a−b=2. Evaluate the following:
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Answer:

1/9

Step-by-step explanation:

You can put in any 2 numbers that would make a-b=2 true, so if you use a=4 and b=2, then 3^2/3^4=1/9. This is still true with any 2 numbers that make a-b=2 true. Hope this helps!

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4 years ago
Tell whether the statement is true or false. Tan20 degrees greater than cot20 degrees
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3 years ago
One term of a geometric sequence is a4=135. The common ratio is r=3. Write an explicit rule for the nth term.
Anni [7]

Answer:

a_{n} = 5 * 3^{n-1}

Step-by-step explanation:

To find the nth term of a geometric sequence, you have the general formula:

a_{1} *r^{n-1}

where a1 is the first term and r is the common ratio. In order to find the 4th term, we can substitute what we have(n is 4 because we are looking for the fourth term):

135 = a_{1} * 3^{4 - 1}

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135 = 27a_{1}

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Now, we can substitute the first term back in:

a_{n} = 5 * 3^{n-1}

8 0
3 years ago
There are 6 picas in 1 in. If a line of type is 3 3/4in long. What is this picas in length?
scoray [572]

Answer:

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Step-by-step explanation:

If there are 6 picas in 1 in, then in 3 3/4 in, we will first take this to decimal form, which is

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4 years ago
Can anyone help me please :(
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Step-by-step explanation:

8 0
3 years ago
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