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ANEK [815]
3 years ago
14

Can you help me with this question??

Mathematics
2 answers:
Cloud [144]3 years ago
6 0

Answer:

9.42

Step-by-step explanation:

lukranit [14]3 years ago
5 0

Answer:

9.some thing anwer hoga PlZ do

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A country will produce 3000 missiles this year. Each of the short-range missiles cost $200000 to produce. Each of the medium-ran
Lynna [10]

Answer:

$350,000

Step-by-step explanation:

Let's define:

  • s: amount of short-range missiles produced
  • m: amount of medium-range missiles produced
  • l: amount of long-range missiles produced

From the total production and the ratios we can write the following equations:

s + m + l = 3000

s/m = 3/3 = 1 = m/s

s/l = 3/4 or l/s = 4/3

Dividing the first equation by s, we get:

s/s + m/s + l/s = 3000/s

1 + 1 + 4/3 = 3000/s

10/3 = 3000/s

s = 3000*3/10 = 900

m = 900

l =  4/3*900 = 1200

From the money that the countries plans to use and each missile cost, we can write the following equation:

200,000*s + 300,000*m + cost*l = 870,000,000

Replacing with previous result:

200,000*900 + 300,000*900 + cost*1200 = 870,000,000

cost = (870,000,000 - 200,000*900 - 300,000*900)/1200 = 350,000

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3 years ago
Ed buys a vase for £24 and adds 25% onto the price before putting it into his shop window.
hoa [83]
The price-tag say 30 £
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The science class is taking a field trip. There are a 20 students and a unknown number of adults. The bus holds 35 people at mos
AveGali [126]
It would be 15 because the 35 people at most minus the 20 students equals 15 so that would be the greatest number of adults allowed to be there.
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3 years ago
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There is a pair of x and y values that make each equation true in this system of equations
MAXImum [283]

Given Equations

  • 5x+3y=8--(1)
  • 4x+7y=34--(2)

Let it has solution (x,y)

Add both

\\ \sf\longmapsto 5x+4x+3y+7y=8+34

\\ \sf\longmapsto 9x+10y=42

It will also have same solution (x,y)

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2 years ago
HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! PLZZZZZZZZZ 8PTS!!!!!!!!!!!!!!!!
Harlamova29_29 [7]

Answer:

The first box is c

second box is b

Third box is c

Step-by-step explanation:

6 0
3 years ago
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