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Elanso [62]
3 years ago
15

Which are the solutions of x^2 = -7x -8?

Mathematics
1 answer:
Fudgin [204]3 years ago
7 0
First put in standard form and do factoring or the quadratic formula
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Solve the right triangle. Find all the missing angles and sides. Round to the nearest tenth.
forsale [732]

Answer:

1.

by using Pythagoras theorem

h²=p²+b²

h²=12²+40²

h=√1744

AB=42

2.

x+48°+90°=180°{sum of interior angle of triangle}

x=180°-138°

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5 0
3 years ago
Better anian shows at 50 pounds of dogs get 0.5 milligrams of a certain medicine and that the number of milligrams various direc
miss Akunina [59]

Answer:

Medicine to 10 pound dog = 0.1 milligrams  

Step-by-step explanation:

Given:

Medicine to 50 pound dog = 0.5 mg

Weight of dog = 10 lb

Find:

Amount of medicine

Computation:

Medicine to 1 pound dog = 0.5 mg / 50

Medicine to 10 pound dog = [0.5 mg / 50] 10

Medicine to 10 pound dog = 0.1 milligrams  

7 0
3 years ago
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Help please are fractions help!!!!! thanks
Brrunno [24]

Answer:

See below

Step-by-step explanation:

To solve a proportion ( an equation with two equal fractions), cross multiply by  multiplying numerator and denominator of each fraction.

8/5=24/h                               8h = 5*24                    8h = 120              h=15

h/8=24/5                               5h = 8*24                    5h = 120              h= 24

h/5=24/8                               8h =5*24                     8h = 120              h=15

8/5=h/24                               5h = 8*24                    5h = 120              h=24

8/24=5/h                               8h = 24*5                    8h = 120              h = 15

5/8=h/24                               8h = 5*24                    8h =120               h = 15

h/5=8/24                             24h =5*8                      24h = 40             h = 5/3

3 0
4 years ago
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DanielleElmas [232]

Answer: j-7

Step-by-step explanation:

So Jayson is J

Angelo is 7 years younger than him so j-7

5 0
3 years ago
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cricket20 [7]

Answer:

x=w/1+yz

Step-by-step explanation:

Hope this helped!

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