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Viefleur [7K]
3 years ago
10

PLEASE HELP I WILL GIVE 100 POINTS AND BRAINIEST

Mathematics
2 answers:
mamaluj [8]3 years ago
8 0

Answer:

B

Step-by-step explanation:

solniwko [45]3 years ago
7 0

Answer:

B. 24.96%

ik the 100 points is a scam but can i have brainliest?

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If x^2+y^2=14 annd xy=5 find the value of (1/2x+1/2y)^2
Leviafan [203]

Answer:

<h2>              7</h2>

Step-by-step explanation:

 \left(\frac12x+\frac12y\right)^2=\\\\=\left[\frac12(x+y)\right]^2=\\\\=\left(\frac12\right)^2\left(x+y\right)^2=\\\\=\frac14\left(x+y\right)^2=\\\\=\frac14(x^2+2xy+y^2)=\\\\=\frac14(x^2+y^2+2xy)=\\\\=\frac14(14+2\cdot5)=\\\\=\frac14\cdot28=\\\\=7                          

4 0
3 years ago
Add. (5x3 – 3x + 12) + (4x3 + 10x2 – 2x)
Alex
3+3x+12+20-2x
35+x

ANSWER: 35+x
4 0
2 years ago
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What is the value of 7.92 × 1010?<br><br> 79,200,000,000<br> 7, 920<br> 0.0000792
Keith_Richards [23]
A move decimal behind the 7 ten places to the right since its positive
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2 years ago
Solve for B in the picture below
Oxana [17]

Answer:

b= -48

Step-by-step explanation:

by transposing,

43=59+b/3

b/3+59=43

b/3=43-59

b/3= -16

b= -16×3

b= -48

therefore the answer is b= -48

hope it helps!!!

PLEASE MARK BRAINLIEST..

5 0
2 years ago
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I need your help, please answer!!
dlinn [17]

Answer:

non linear ( ꈍᴗꈍ)( ╹▽╹ )( ╹▽╹ )

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3 years ago
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