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Elena-2011 [213]
2 years ago
12

Tìm x a) (x+3)²+(x-2)²=2x²

Mathematics
1 answer:
natta225 [31]2 years ago
3 0
The answer is 7 because x+3 is 10. Hope this helped
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A fifth grade class wants to buy their teacher a present that costs 79.75. The students have decided to each contribute $2.75. H
Nutka1998 [239]
29 students have to be in the class. If 29 students each pay 2.75, they will raise up 79.75 dollars! :)
5 0
3 years ago
The Pythagorean theorem is a2+b2=c2. Solve for b.
nata0808 [166]

Answer:

b = √c²-a²

Step-by-step explanation:

b² = c² - a²

b = √c²-a²

3 0
2 years ago
*Please answer before 5:45! I'll award brainliest!*
FromTheMoon [43]

Answer:

A

Step-by-step explanation:

Vertical angles are angles that are formed by 2 lines and are directly accross from each other. They do not share a ray, however they are always the same number of degrees.

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4 0
3 years ago
Estimate how to find 15% tip on $9.79 explain your thoughts
uranmaximum [27]
(15/100) then multiply that with 9.79 and you get $1.4685, which is the answer
5 0
2 years ago
Read 2 more answers
Solve for G<br><br> •1.00<br> •36.03<br> •90<br> •43.34<br> •46.66<br> •7.55
g100num [7]

Answer:42.98

Step-by-step explanation:

Hf=√(11^2-8^2)

Hf=√(121-64)

Hf=√(57)

Hf=7.5

11/sin90 =7.5/sinG

Sin90=1

11/1=7.5/sinG

Cross multiply

11 x sinG=7.5 x 1

11sinG=7.5

Divide both sides by 11

11sinG/11=7.5/11

sinG=0.6818

G=sin(inverse)(0.6818)

G=42.98

6 0
3 years ago
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