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shepuryov [24]
3 years ago
13

Does 9 only have one square root? Why or Why not?

Mathematics
1 answer:
malfutka [58]3 years ago
5 0

Answer:

9 actually has 2 square roots,

Step-by-step explanation: any positive real number has 2 square roots , positive, and a negative, and nine is a real number, so nine's square roots would be -3 and +3

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Divide and simplify<br> ax + ay + bx + by/<br> x+y
Kisachek [45]

Answer:

a + b

Step-by-step explanation:

ax + ay + bx + by

a(x +y) +b(x + y)

(a + b) ( x + y)

therefore (a + b) ( x + y) divide x+y

x + y is canceled out both in the denominator and numerator

= a+b

4 0
3 years ago
Read 2 more answers
Write an equation of the line that is parallel to 2x + 4y = 6 and passes through the point (6, 4).
notsponge [240]

Answer:

Step-by-step explanation:

Here's a completely valid trick for finding the equation of this new line:

Start with the given  2x + 4y = 6.  Replace that '6' with 'C.'  We need to find C.  To do this, replace x with 6 and y with 4 and calculate C:

2(6) + 4(4) = C, or 12 + 16 = C.  Thus, C = 28, and the desired equation is

2x + 4y = 28, or (in simplified form)    x + 2y = 14

3 0
3 years ago
7. Which of these statements is true?
Mice21 [21]

Answer:

A. because 5 < 6. 1-(-4)=5. and 4-(-2) =6

3 0
2 years ago
Answer and explanation please?
nignag [31]
The answer would be A. m= -3/5 and b=-4/5
"m= -5-1 divided by 7--3
or, -6/10
or, -3/5.

to find the (B)

<span><span>(-3,1). y=mx+b or 1=-3/5 × -3+b, or solving for b: b=1-(-3/5)(-3). b=-4/5.</span><span>(7,-5). y=mx+b or -5=-3/5 × 7+b, or solving for b: b=-5-(-3/5)(7). b=-4/5.</span></span>See! In both cases we got the same value for b. And this completes our problem.

<span><span>The equation of the line that passes through the points(-3,1) and (7,-5)is</span><span>y=-3/5x-4/5"</span>
Source: webmath</span>
5 0
3 years ago
Find the area and circumference.
saveliy_v [14]

Answer:

  • area ≈ 176.7 cm²
  • circumference ≈ 47.1 cm

Step-by-step explanation:

The radius is half the diameter, so is ...

  r = d/2 = 15 cm/2 = 7.5 cm

The area formula is ...

  A = πr²

Filling in the radius, we have ...

  A = π·(7.5 cm)² = 56.25π cm² ≈ 176.7 cm² . . . area

__

The circumference formula is ...

  C = πd

Filling in the diameter, we have ...

  C = π·(15 cm) = 15π cm ≈ 47.1 cm . . . circumference

5 0
4 years ago
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