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Anna [14]
2 years ago
5

Help help help plz plz plz

Mathematics
2 answers:
nydimaria [60]2 years ago
8 0

Answer:

x=9

Step-by-step explanation:

9+3=12

12/2=6

REY [17]2 years ago
4 0

Answer:

x = 9

Step-by-step explanation:

The first step is to do get rid of the 2 in  \frac{x+3}{2} you do this by muliplying 2 on each side so it would cancel out the 2 but you also need to multiply the 6 so the result would be x + 3 = 12

The second step is to subtract the 3 from the left side so it would look like this x + 3 - 3 = 12 - 3 so the result would be x = 9

Finally, the answer is x = 9

I hope i was able to help!

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Bruce flipped a penny 5 times. It landed on heads 2 times and tails 3 times. If he flips the coin a 6th time, what statement is
babunello [35]

Answer:

B

Step-by-step explanation:

I would say B because they're only 2 options head and tails.

✩brainliest appreciated ✩

3 0
3 years ago
What is the y-value of the vertex of the function f(x) = –(x + 8)(x – 14)?
maxonik [38]

we have

f(x)=-(x+8)(x-14)

Convert to vertex form

f(x)=-(x+8)(x-14)\\f(x)=-( x^{2}-14x+8x-112) \\f(x)=-( x^{2}-6x-112)\\f(x)=-x^{2}+6x+112

we know that

the equation of a vertical parabola in vertex form is equal to

y=a(x-h)^{2} +k

where

(h,k) is the vertex

f(x)=-x^{2}+6x+112

Group terms that contain the same variable, and move the constant to the opposite side of the equation

f(x)-112=-(x^{2}-6x)

Complete the square. Remember to balance the equation by adding the same constants to each side

f(x)-112-9=-(x^{2}-6x+9)

f(x)-121=-(x^{2}-6x+9)

Rewrite as perfect squares

f(x)-121=-(x-3)^{2}

f(x)=-(x-3)^{2}+121

the vertex is the point (3,121)

therefore

<u>the answer is </u>

The y-value of the vertex is 121

8 0
3 years ago
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Yuliya22 [10]

Answer:

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Step-by-step explanation:

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Shavon sees that the number she's working with is a terminating decimal. She then concludes that her number is rational. What mi
irinina [24]
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5 0
3 years ago
Read 2 more answers
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tangare [24]

Answer:

9.830

Step-by-step explanation:

I'm not sure if it's right but hope this helps you

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