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julia-pushkina [17]
2 years ago
7

Which of the following ratios forms a proportion with 4/15 ?

Mathematics
2 answers:
Temka [501]2 years ago
6 0

Answer:

8/30, 16/60, 32/120, 64/240, 128/480

tiny-mole [99]2 years ago
3 0
12/45 I think...I hope it helps
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there are five people in a room each person shakes the hand of every person exacally once how many handshakes or exchanged
nalin [4]
25  because there's 5 people so you take 5 times 5
5 0
3 years ago
The graph of function g is a vertical stretch of the graph of function f ​​by a factor of 3. Which equation describes function g
anyanavicka [17]

Answer:


Step-by-step explanation:

A vertical stretch by a factor of k means that the point (x, y) on the graph of f (x) is transformed to the point (x, ky) on the graph of g(x), where k <1.

If k =1, then same graph we obtain and if k>1 we get a vertically shrink graph.

In our question, there is a vertical stretch of 3. This means new graph would have points as (x,y/3)

i.e. instead of f(x) = y, we have now f(x) = y/3

So transformation is g(x) = 3f(x)

Option A is correct.

2) Here f(x) = 3x+8 is transformed to g(x) =3x+6

i.e. y intercept is reduced by 2 units.  Hence there is a translation of 2 units down.


8 0
3 years ago
Read 2 more answers
For the situation, write and solve an equation. Then, explain what your solution means. If you get stuck, try drawing a diagram
Bess [88]

Answer:

5r + (5 x 6) = 84

looking for rice per pound.

Step-by-step explanation:

5r + (5 x 6)  = 84

This shows an equation where we need to make r the subject to establish how many pounds a bag of rice weighs.

5r + (5 x 6)  = 84

5r + (30)  = 84

5r = 84-30

5r = 54/5

r  = 10 4/5  

r  =  10.8 pounds

5 0
3 years ago
Read 2 more answers
The square root of -1 is:
Sliva [168]
The square root of -1 is I
4 0
3 years ago
Rationalize the denominator of square root of negative 36 over open parentheses 2 minus 3 i close parentheses plus open parenthe
dem82 [27]
\frac{ \sqrt{-36} }{(2 - 3 i )+( 3 + 2 i )}= \\ = \frac{6i}{5-i}* \frac{5+i}{5+i}= \\ = \frac{30i+6i ^{2} }{25-i ^{2} } = \frac{-6+30i}{25+1}= \\ = \frac{-6+30i}{26}=
= - 3/13 + 15/13 i
5 0
3 years ago
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