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Rainbow [258]
3 years ago
10

Are the ratios 16:9 and 2:1 equivalent? yes no

Mathematics
1 answer:
yarga [219]3 years ago
3 0

Answer:

No

Step-by-step explanation:

To be equivalent it would have to be 16/8 not 16/9

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20-kilometer race which program is best 10 kilometers day 1 increase by 500 aday or 7,500 on day 1 increase by 0.75 a day
marishachu [46]
7,500 on dat 1 increase by 0.75 a dat is faster
6 0
3 years ago
Ramauri is thinking of a mystery number. He cuts it in half then takes away 9. The result is -5. What is the mystery number
MaRussiya [10]

Answer:

8

Step-by-step explanation:

mystery number= x

he divdes x by 2 and then subtracts 9 and gets -5. reverse the order to find x.

-5+9 which is 4 times 2 which is 8. x is 8

7 0
3 years ago
. If f(x) and g(x) are inverses, what will be the values of f(g(x)) and g(f(x))?
olga_2 [115]

Answer:

f(g(x)) = g(f(x)) = x

Step-by-step explanation:

Lemma;

If f(x) and g(x) are inverses, then the compositions  f(g(x)) = g(f(x)) = x

7 0
4 years ago
5. Makayla had $3.00 to spend at the school store. The prices are shown in
slavikrds [6]
$0.15 because I added all and multiplied them then subtracted it by $3.00
8 0
2 years ago
What is the slope of a line perpendicular to the line whose equation is 5x - y = -7.
BARSIC [14]

keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above

5x-y=-7\implies 5x-y+7=0 \\\\\\ \stackrel{\stackrel{m}{\downarrow }}{5} x+7=y\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}

so a line perpendicular to that one above will have a slope of

\stackrel{~\hspace{5em}\textit{perpendicular lines have \underline{negative reciprocal} slopes}~\hspace{5em}} {\stackrel{slope}{5\implies \cfrac{5}{1}} ~\hfill \stackrel{reciprocal}{\cfrac{1}{5}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{1}{5}}}

3 0
2 years ago
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