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Juli2301 [7.4K]
3 years ago
13

In the expression 3x + 7, what is the coefficient?

Mathematics
1 answer:
san4es73 [151]3 years ago
4 0

Answer:

3

Step-by-step explanation:

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Find the center of the circle (x-2)^2+(y-8)^2=33
enyata [817]

Answer:

The center is (2,8)

Step-by-step explanation:

The equation of a circle is written as

(x-h)^2+ (y-k)^2 = r^2

where ( h,k) is the center and r is the radius

(x-2)^2+(y-8)^2=33

The center is (2,8) and the radius is sqrt(33)

6 0
4 years ago
Algebraic expression the sum of 12 and k​
USPshnik [31]
The answer is 12+k because sum means addition and it says 12 and k therefore you and 12 and k together and the algebraic expression would be 12+k
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3 years ago
HOMEWORK HELP NEED TO KNOW
Thepotemich [5.8K]
5 is b because 3/6 is equivalent to 1/2
6 is a because 1/6 is less than half
5 0
3 years ago
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Solve simultaneously <br> Y=x-2<br> Y^2=x
omeli [17]
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a=1 \\ b=-5 \\ c=4 \\ \\ x=\frac{-(-5) \pm \sqrt{(-5)^2 - 4 \cdot 1 \cdot 4}}{2 \cdot 1}=\frac{5 \pm \sqrt{25 - 16}}{2}=\frac{5 \pm \sqrt{9}}{2}=\frac{5 \pm 3}{2} \\ \\&#10;x=\frac{5+3}{2} \ \lor \ x=\frac{5-3}{2} \\ \\&#10;x=\frac{8}{2} \ \lor \ x=\frac{2}{2} \\ \\&#10;x=4 \ \lor \ x=1


y=4-2 \ \lor \ y=1-2 \\&#10;y=2 \ \lor \ y=-1 \\ \\ \\&#10; \left \{ {{x=4} \atop {y=2}} \right.  \ \lor \  \left \{ {{x=1} \atop {y=-1}} \right.
8 0
3 years ago
Read 2 more answers
Simplify this, include instructions
Cerrena [4.2K]
<span><span><span>3n</span>+1</span>−<span>2n</span></span>+<span>8

</span><span>Combine Like Terms:
</span>
<span><span><span>3n</span>+1</span>+<span>−<span>2n</span></span></span>+<span>8
</span>(3n+−2n)+(1+8)
=<span>n+<span>9
</span></span>
Answer is n+9


Hope I helped

5 0
3 years ago
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