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mrs_skeptik [129]
3 years ago
6

Plzz help me out don’t understand

Mathematics
1 answer:
tiny-mole [99]3 years ago
3 0

Answer:

5 {x}^{2}  - 7x = 2 \\  x(5x - 7) = 2 \\ x = 2 \: and \: 5x - 7 = 2 \\ 5x = 2 + 7 \\ 5x = 9 \\ x = 9 \div 5 \\ x = 1.8

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No jk drtyguhiytr5tyguhigyft fyguhijk
Artemon [7]

Answer:

1232

Step-by-step explanation:

13/91= 176/x

1/7=176/x

x= 176*7

x= 1232 bass

8 0
4 years ago
A semicircle has an area of 76.97 km² . Find its radius
vagabundo [1.1K]
Area of a semicircle = 1/2 πr² 

 1/2 πr²  = <span>76.97

Multiply both sides by 2:
</span>πr² = 153.94

Divide both sides by π:
<span>r</span>² = 49

Square root both sides:
r=√49

r = 7

Answer: r = 7
4 0
4 years ago
Read 2 more answers
A fisherman caught one fish that was 12/5 feet long and a second fish that was 9/4 feet long. How much longer was the first fish
Scrat [10]
Answer: the first fish was 3/20 feet longer.

Explanation: in order to compare the fractions you need to multiply 12/5 by 4 and 9/4 by 5. That leaves us with 48/20 and 45/20 after that you simply subtract and are left with 3/20.
7 0
3 years ago
Multiples of 3 are always multiples of 6.
Elena L [17]

Answer:yes 3x2=6

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
A) 24 is what percent of 60
choli [55]

A) 24/60 = 0.4 or 40%

B) 8/x = 4/10 → 20

C) 120 * 0.7 = 84

D) 30/120 = 0.25 or 25%

E) 112/x = 56/100 → 200

F) 128/80 = 1.6 or 160%

G) x/45 = 140/1000 → 63

H) 15/x = 6/100 → 250

7 0
3 years ago
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