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3 years ago

please help , giving brainliest and a thanks ,(right answers only) scammers get reported. (worth 20 points)

Mathematics

1 answer:

Vadim26 [7]3 years ago

8 0

Answer:

The work is shown below; y=3

Step-by-step explanation:

$4.5=1.5y\\\frac{4.5}{1.5} =\frac{1.5y}{1.5} \\3=y$

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An $80.00 coat is marked down 20%. It does not sell, so the shop owner marks it down an additional 15%. What is the new price of

stiv31 [10]

Answer:

$54.40

Step-by-step explanation:

First, find the new price after the 20% markdown:

80(0.8)

= 64

Then, find the price with the 15% markdown:

64(0.85)

= 54.4

So, the new price of the coat is $54.40

6 0

4 years ago

Q5.) Use the model to determine when the population of the country will be 827 million.

Aneli [31]

The country population would be 827 million in about 20 years.

This can be found by replacing "t" with 20 and solving. The solution would be about 8273.28 million. Thus meaning in about 20 years, the population would be 827 million.

8 0

4 years ago

What is 6.86 6.8 7 6.9 6.827 from least to greatest

Nikitich [7]

Answer:

ITS 1, 2, 3, 4, 5 HOW MANY DOGS ARE IN MY BASEMENT WATCHING DORA THE EXPLORA

Step-by-step explanation:

4 0

3 years ago

6x + -2y² + 4xy² + 3x² + 5xy² simplify it

r-ruslan [8.4K]

$\large\displaystyle\text{$\begin{gathered}\sf 6x+-2y^{2}+4xy^{2}+3x^{2} +5xy^{2} \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf Group\:like\:terms \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf =3x^2+6x-2y^2+4xy^2+5xy^2 \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf Sum\:similar\:elements:\:4xy^2+5xy^2=9xy^2 \end{gathered}$}$

$\boxed{\large\displaystyle\text{$\begin{gathered}\sf 3x^2+6x-2y^2+9xy^2 \end{gathered}$} }$

7 0

2 years ago

Read 2 more answers

which is the slope of a line that is perpendicular to the line that passes through the points (29, 24) and (3, 4)?

Nataliya [291]

Answer:

26/20

Step-by-step explanation:

y2-y1 divided by x2-x1

4-24= -20

3-29= -26

-20/-26= m

perpendicular means to switch the numbers and change the sign

a perpendicular slope to -20/-26 is 26/20.

3 0

3 years ago