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Ksju [112]
3 years ago
13

Not sure how to solve this​

Mathematics
1 answer:
alukav5142 [94]3 years ago
5 0

Answer:

5942

Step-by-step explanation:

you do 5.942 time 10 to the 3rd power and it equals 5942 cause 10 to the 3rd power is 1000 so 1000 time 5.942 equals 5942

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According to the​ research, 43​% of homes sold in a certain month and year were purchased by​ first-time buyers. A random sample
vovangra [49]

Answer Do it

Step-by-step explanation 165 divided by 100 =x times 43

4 0
3 years ago
What is the expression of (0.2)(14)
Natalija [7]
The expression is 2.8 
5 0
3 years ago
Which is a better deal 12.4 ounces for $4.99 or 21 ounces for $6.49?
ella [17]

Answer:

<em>Getting 21 ounces for $6.49 is a better deal!</em>

Step-by-step explanation:

4.99 / 12.4 = 0.402419...

6.49 / 21 = 0.30904...

0.4 is larger than 0.30 therefore 0.30 is less and a better deal.

Have an amazing day! ^-^

4 0
3 years ago
senior citizens receive a 10% discount off the price of a regular dinner special at the dinner bell restaurant. if the cost for
Inessa05 [86]
You can do 1st $12.60 divided by 100 is 0.126 then you do 0.126x10= 1.26 then you add the special price which is $12.60 plus $1.26= $13.86 that is the original price for the dinner.
8 0
3 years ago
An ounce of milk contains 20 milligrams of calcium and 60 micrograms of vitamin A.
vova2212 [387]

Answer:

10 ounces of milk and 50 ounces of orange juice

Step-by-step explanation:

Let the amount of milk be x ounces and the amount of orange juice be y ounces.

1. An ounce of milk contains 20 milligrams of calcium and 60 micrograms of vitamin A. Then x ounces of milk contain 20x milligrams of calcium and 60x micrograms of vitamin A.

2. An ounce of orange juice contains 40 milligrams of calcium and 10 micrograms of vitamin A. Then y ounces of orange juice contain 40y milligrams of calcium and 10y micrograms of vitamin A.

<u>Calcium:</u>

20x milligrams in milk

40y milligrams in orange juice

2,200 milligrams in total

Hence,

20x+40y=2,200

<u>Vitamin A:</u>

60x micrograms in milk

10y micrograms in orange juice

1,100 micrograms in total

Hence,

60x+10y=1,100

Solve the system of two equations:

\left\{\begin{array}{l}20x+40y=2,200\\ \\60x+10y=1,100\end{array}\right.

Divide each equation by 10:

\left\{\begin{array}{l}2x+4y=220\\ \\6x+y=110\end{array}\right.

From the second equation:

y=110-6x

Substitute it into the first equation:

2x+4(110-6x)=220\\ \\2x+440-24x=220\\ \\2x-24x=220-440\\ \\-22x=-220\\ \\22x=220\\ \\x=10\\ \\y=110-6\cdot 10=110-60=50

6 0
3 years ago
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