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nadezda [96]
3 years ago
6

A^2+2ab+b^2=25, find a+b

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
7 0

Answer:

Step-by-step explanation:

hello :

a²+2ab+b²=25,

(a+b)² = 25

a+b=5 or a+b= -5

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Nine out of ten students prefer math class over lunch. How many students do not prefer math if 200 students were asked
Nimfa-mama [501]

Answer:

i think probably 20

Step-by-step explanation:

if 200 students, students do not prefer math 10/100 × 200 = 20

4 0
2 years ago
Consider a single span of the spinner. Which events are mutually exclusive? Select two options. Landing on a shaded portion and
Sidana [21]

Answer:

Landing on a 3 and on a shaded area

Step-by-step explanation:

Mutually exclusive means there is now way the two events can happen at the same time. This is the only option where it can either be one or the other

5 0
3 years ago
Read 2 more answers
What is the solution of 5/2-7= 3/4x+14,
Sidana [21]

Answer:

D) x = 12

Step-by-step explanation:

Given:

\sf{\dfrac{5}{2}x-7=\dfrac{3}{4}x+14 \implies \dfrac{10}{4}x-7=\dfrac{3}{4}x+14}

1. Multiply both sides by 4

\sf{4\left(\dfrac{10}{4}x-7\right)=4\left(\dfrac{3}{4}x+14\right)}\\\\\implies 10x-28=3x+56

2. Subtract 3x from both sides

\sf{10x-3x-28=3x-3x+56}\\\\\implies 7x-28=56

3. Add 28 to both sides

\sf{7x-28+28=56+28}\\\\\implies 7x=84

4. Divide both sides by 7 to isolate the variable:

\sf{\dfrac{7x}{7}=\dfrac{84}{7}}\\\\\implies x=12

Learn more here:

brainly.com/question/27844194

3 0
2 years ago
What is the line of best fit for these points?<br> (0,6)(2, 10)(-2, 2)(-1,4)
Likurg_2 [28]

Answer:

Connect the dots, just label them on the graph and draw a line almost like connecting the dots

7 0
3 years ago
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If we were to put this in terms of a venn diagram, we would have 360 owning only brand X, 500 owning only brand Y, and 80 in between, owning both. Therefore, 80 out of the 580 owners of brand Y may have X as well, which we put into fraction form 80/580, and reduce to 4/29.
7 0
3 years ago
Read 2 more answers
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