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daser333 [38]
3 years ago
13

New appliances for the kitchen will include a new refrigerator ($1,649.99), dishwasher ($369.99), and electric range ($1,146.99)

which will be purchased at the local appliance store. Estimate the cost of the appliances to the nearest hundred dollars. Then calculate the actual total cost of the appliances. New appliances for the kitchen will include a new refrigerator ($1,649.99), dishwasher ($369.99), and electric range ($1,146.99) which will be purchased at the local appliance store. Estimate the cost of the appliances to the nearest hundred dollars. Then calculate the actual total cost of the appliances.
Mathematics
1 answer:
Andreyy893 years ago
6 0

Answer:

estimated price is $3167 and actual price is $3166.97

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A pair of jeans had a 40% off sale. but, when bill came to buy them a month later the sale was over and he had to pay the regula
malfutka [58]
He lost 40% of $370 which is $148
6 0
4 years ago
-4x + 7 = 11 help me please!
lyudmila [28]
-4x + 7 = 11 

First, subtract 7 from both sides. / Your problem should look like: -4x = 11 - 7
Second, subtract 11 - 7. / Your problem should look like: -4x = 4
Third, divide both sides by -4. / Your problem should look like: x =   \frac{4}{-4}
Fourth, change the fraction to a negative. / Your problem should look like: x =  -\frac{4}{4}
Fifth, cancel 4 out. / Your problem should look like: x = -1

Answer: x = -1

7 0
3 years ago
Read 2 more answers
How do I do this problem
Vilka [71]
Do you mean 7?

You need to multiply each like term differently ( 1. Coefficient, 2. M term, 3. N term, and 4. O term)

1. The coefficients are 4 and 7, and as you have already solved, that equals to 28.

2. The m terms are (m • m) because there is one m in (4mno) and one m in (mn). m • m would equal to m^2.

3. The n terms are (n • n^2 •n) because there is one n in (4mno), n^2 in (7n^2o^2), and one n in (mn). They would equal n^4.

4. The o term would stay as o^2 as there are not other o terms.

To piece it all together, your answer would be 28m^2n^4o^2, or 28 • m ^2 • n^4 • o^2.
7 0
3 years ago
What do we use mathematical induction for?
stepladder [879]

proving statements!

it's the very definition of it

6 0
3 years ago
Read 2 more answers
The square of a negative number is twenty-eight more than three times the negative number. Find the number.
MAXImum [283]
The number is x

it is negative
the square is 28 more than 3 times itself
x²=28+3x
minus (28+3x)
x²-3x-28=0
factor
(x-7)(x+4)=0
set to zero

x-7=0
x=7
this is not the answer because we were told the number was negative


x+4=0
x=-4
correct

the number is -4
test
(-4)²=28+3(-4)
16=28-12
16=16
check


the number is -4
8 0
3 years ago
Read 2 more answers
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