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777dan777 [17]
3 years ago
9

ASAP!! NEED HELP WITH ONLY 21 AND 23 !!!

Mathematics
1 answer:
Lesechka [4]3 years ago
5 0
The picture is all laggy

Can you upload it one more time
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Solve the system of equations by substitution. Write your solution as an ordered pair
attashe74 [19]
X + 8x = 81
9x = 81, x = 9
y = 8(9), y = 72
Solution: (9, 72)
6 0
2 years ago
Read 2 more answers
(name the intersection of the figure) pls help if ur good at geometry
Ipatiy [6.2K]

Answer:

im ok, i can help

Step-by-step explanation:

6 0
2 years ago
Pleas help me (and pls don't ban my question this time Brainly)
Evgesh-ka [11]

Answer:

d = 7.2

Step-by-step explanation:

12 + d = -4.8

subtract 12 from both sides and you get

d = 7.2

5 0
2 years ago
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A circular swimming pool has a diameter of the 26 feet.
kherson [118]
Hey there! :)

The formula for finding area of circles is: π · r²

<em>Remember that radius is half the diameter. To find radius when the diameter is given, divide by 2</em>

d = 26

26 ÷ 2 = 13
_____________________________________________________________

π · r²

r = 13
13² = 13 × 13 = 169

169 × 3.14 = 530.66 = 530.7

The area of the swimming pool is 530.7 ft²

Hope this helps :)
7 0
3 years ago
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I'm really confused, can someone please help me with this problem?
stiv31 [10]

Answer: x = 6.25

5 ÷ 0.8

= 6.25

6 0
3 years ago
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