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dexar [7]
3 years ago
13

Solve the equation maybe brainly?

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
5 0

Answer:

Step-by-step explanation:

5D-7=38

5D=38+7=45

D=45/5=9

12-3S=48

-3S=48-12=36

S=36/(-3)=-12

max2010maxim [7]3 years ago
3 0

Answer:

D=9

S= -12

Step-by-step explanation:

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What is the area of the trapezoid ​
Travka [436]

Answer:

A=2132

Step-by-step explanation:

Solution

A=a+b/ 2h=44+8/ 2·82=2132

8 0
3 years ago
You are making 6 quarts of
Ivenika [448]

1.5 quarts of 20% fruit juice and 4.5 quarts of 100% fruit juice.

Step-by-step explanation:

Let x be the number of quarts of 100% fruit juice

Let y be the number of quarts of 20% fruit juice

The equation for amount of quarts is ;

x+y=6

x=6-y-------------------equation 1

The equation for the amount of quarts of fruit juice to get 80% fruit juice will be;

x(100%)+y(20%)=80%------however you need to make 6 quarts so divide first portion of equation by 6

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Multiply both parts of the equations by 6

x(100%)+y(20%)=480% --------------equation 2

Use equation 1 in 2

(6-y)(100%)+y(20%)=480%

600-100y+20y=480

600-80y=480

600-480=80y

120=80y

120/80 =y

1.5=y

Use the value of y in equation 1

x=6-y  , x= 6-1.5=4.5

So you have,

1.5 quarts of 20% fruit juice and 4.5 quarts of 100% fruit juice.

Learn More

Mixtures equations;brainly.com/question/11898822

Keywords : quarts,party,bottles,punch

#LearnwithBrainly

6 0
3 years ago
What is the approximate area of the circle shown?
lubasha [3.4K]

Answer:

254 cm^2

Step-by-step explanation:

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6 0
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Nat2105 [25]

Answer:

Saanvi is 15 and her brother is 7

Step-by-step explanation:

If Saanvi is 15 and her brother was 7 she would be 8 years older than her brother. If you add their ages together (15+7) it equals 22.

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3 years ago
I Need Help ..
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Answer: cos ( 390 ) − 4 cot ( − 45 ) sin (330 )

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