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3 years ago

Can someone answer Please??

Mathematics

1 answer:

Zarrin [17]3 years ago

3 0

Y=5^x when x is 2.

y=5^2

y=25

Hope this helps!

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A restaurant has 18 tables and 54 chairs. The

luda_lava [24]

Answer:

The ratio is 1:3

Step-by-step explanation:

Let

x -----> the number of tables in the restaurant

y ----> the number of chairs in the restaurant

we know that

To find out the ratio of tables to chairs in the restaurant, divide the number of tables by the number of chairs

we have

$x=18\ tables\\ y=54\ chairs$

The ratio is equal to

$\frac{18}{54}$

Simplify

Divide by 18 both numerator and denominator

$\frac{1}{3}$

therefore

The ratio is 1:3

6 0

3 years ago

Find z 1 ÷ z 2 for z 1 = 9(cos225° + isin225°) and z 2 = 3(cos45° + isin45°).

olga nikolaevna [1]

$\bf \qquad \textit{division of two complex numbers} \\\\ \cfrac{r_1[cos(\alpha)+isin(\alpha)]}{r_2[cos(\beta)+isin(\beta)]}\implies \cfrac{r_1}{r_2}[cos(\alpha - \beta)+isin(\alpha - \beta)] \\\\[-0.35em] \rule{34em}{0.25pt}$

$\bf \begin{cases} z1=9[cos(225^o)+i~sin(225^o)]\\\\ z2=3[cos(45^o)+i~sin(45^o)] \end{cases}\implies \cfrac{z1}{z2}\implies \cfrac{9[cos(225^o)+i~sin(225^o)]}{3[cos(45^o)+i~sin(45^o)]} \\\\\\ \cfrac{9}{3}[cos(225^o-45^o)+isin(225^o-45^o)]\implies 3[cos(180^o)+i~sin(180^o)] \\\\\\ 3[(-1)+i~(0)]\implies -3+0i$

8 0

4 years ago

Read 2 more answers

A typical tip in a restaurant is 15% of the total bill. If the bill is $160, what would the typical tip be?

Svet_ta [14]

Answer:

15 percent of 160 is 24, so $24

6 0

3 years ago

100 points! Please help Mhanifa. Write an equation of the perpendicular bisector of the segment with the endpoints G(3,7) and H(

andre [41]

Answer:

y = -1/3x + 4/3

Step-by-step explanation:

Perpendicular bisector is the line with opposite-reciprocal slope and passes through the midpoint

The slope of GH is:

m = (-5 - 7)/(-1 - 3) = -12/-4 = 3

Perpendicular line has slope:

-1/m = -1/3

Midpoint of GH is:

x = (3 - 1)/2 = 2/2 = 1
y = (7 - 5)/2 = 2/2 = 1

The line with the slope of -1/3 and passes through point (1, 1) is:

y - 1 = -1/3(x - 1) in point-slope form

And

y = -1/3x + 4/3 in slope-intercept form

4 0

3 years ago

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3 + x + x = 15 Just need a simple answer and explanation thank you

klemol [59]

Answer:

Step-by-step explanation:

3+x+x=15

3+2x=15

2x=15-3

2x=12

x=12/2

x=6

4 0

3 years ago

Read 2 more answers