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rodikova [14]
3 years ago
5

. Shelly buys a dining room table that costs $950. The store has discounted the table 30%. She has a 25% off coupon to use after

the store discount. How much does Shelly pay for the table?​
Mathematics
1 answer:
Alona [7]3 years ago
8 0

Answer:

$498.75

Step-by-step explanation:

You multiply 950(.3) because you need to change the percent into a decimal by moving the decimal to the left two places. you should get 285. this is how much gets taken off

then subtract 950-285 because you need to find your remaining price. you should get 665

now, multiply 665(.25) because that is the percent that is being taken off. you should get 166.25

subtract 665-166.25 and you get 498.75

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PLease help if u can✊​
Vaselesa [24]

Answer:

5 hours

Step-by-step explanation:

75 + 55x = 350

75 - 75 + 55x = 350 - 75

55x = 275

\frac{55x}{55} = \frac{275}{55}

x = 5

4 0
3 years ago
Write an equation for a circle with a diameter that has endpoints at (–4, –7) and (–2, –5). Round to the nearest tenth if necess
Zinaida [17]

since we know the endpoints of the circle, we know then that distance from one to another is really the diameter, and half of that is its radius.

we can also find the midpoint of those two endpoints and we'll be landing right on the center of the circle.

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{-4}~,~\stackrel{y_1}{-7})\qquad (\stackrel{x_2}{-2}~,~\stackrel{y_2}{-5})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ \stackrel{diameter}{d}=\sqrt{[-2-(-4)]^2+[-5-(-7)]^2}\implies d=\sqrt{(-2+4)^2+(-5+7)^2} \\\\\\ d=\sqrt{2^2+2^2}\implies d=\sqrt{2\cdot 2^2}\implies d=2\sqrt{2}~\hfill \stackrel{~\hfill radius}{\cfrac{2\sqrt{2}}{2}\implies\boxed{ \sqrt{2}}} \\\\[-0.35em] ~\dotfill

\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ (\stackrel{x_1}{-4}~,~\stackrel{y_1}{-7})\qquad (\stackrel{x_2}{-2}~,~\stackrel{y_2}{-5})\qquad \qquad \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{-2-4}{2}~~,~~\cfrac{-5-7}{2} \right)\implies \left( \cfrac{-6}{2}~,~\cfrac{-12}{2} \right)\implies \stackrel{center}{\boxed{(-3,-6)}} \\\\[-0.35em] ~\dotfill

\bf \textit{equation of a circle}\\\\ (x- h)^2+(y- k)^2= r^2 \qquad center~~(\stackrel{-3}{ h},\stackrel{-6}{ k})\qquad \qquad radius=\stackrel{\sqrt{2}}{ r} \\[2em] [x-(-3)]^2+[y-(-6)]^2=(\sqrt{2})^2\implies (x+3)^2+(y+6)^2=2

4 0
3 years ago
Read 2 more answers
URGENT<br>please find the mean and standard deviation too​ (number 6)
adell [148]

Answer:To calculate the standard deviation of those numbers:

1.Work out the Mean (the simple average of the numbers)

2.Then for each number: subtract the Mean and square the result.

3.Then work out the mean of those squared differences.

4.Take the square root of that and we are done!

Step-by-step explanation:

5 0
3 years ago
Hiii please help i’ll give brainliest if you give a correct answer tysm!
taurus [48]
20 people






Reason - following the sequence
8 0
3 years ago
What is the final amount is 2250 is decreased by 2% followed by a further 3% decreased?Give your answer rounded to 2 do
Bas_tet [7]

Answer:

100-2=98

2250/100x98=2450

100-3 = 97

2450/100 X 97= 2376.50

6 0
3 years ago
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