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NNADVOKAT [17]
3 years ago
5

Need some help with this please!!

Mathematics
1 answer:
beks73 [17]3 years ago
4 0

Answer:

B,C and B,A

Step-by-step explanation:

Line the cordients and go up right,Then left to find your answer.

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Solve for the indicated variable in each mathematical formula.
yanalaym [24]

1. C=2πr

We need to move r by itself on a side of the equation.

Divide both sides of the equation by 2π. This will cancel out the side with the r.

r=C/2π

2. A=1/2*b*h

Divide both sides by 1/2*h, isolating b

b=A/\frac{1}{2}h

3.y=mx+b

Now we have to do reverse PEMDAS, we have to add/subtract before we can multiply or divide to simplify.

Subtract both sides by b

y-b=mx

Now divide both sides by m

x=\frac{y-b}{m}

Remember we have to divide both terms y and -b by 2, so it goes on the bottom for both.

5 0
3 years ago
Read 2 more answers
If g(x) = 3x² – 2x–5, what is the<br> value of g(-1) ?
garri49 [273]

Answer:

0

Step-by-step explanation:

g(-1)=3×(-1)²-2×(-1)-5 g(-1)=3×1+2-5 g(-1)=3+2-5 g(-1)=5-5 g(-1)=0 ......

6 0
3 years ago
Which of the binomials below is a factor of this trinominal? x^2-13+30
Leona [35]

Answer:

(x-3)(x-10)

Step-by-step explanation:

To factor the equation, break it into two binomials which multiply to make the equation. To write these binomials (x+a)(x+b), find factors which multiply to 30 and add to -13 for a and b.

30: 1, 2, 3, 5, 6, 10, 15, 30

-3+-10 = -13

x^2-13x+30 = (x-3)(x-10)

8 0
3 years ago
Santos flipped a coin 300 times. The coin landed heads up 175 times. Find the ratio of heads to total number of coin flips. Expr
IrinaK [193]
175:300 is simplified to 35: 60 which is simplified to 7: 12 whichis your final answwer
6 0
3 years ago
Does anyone understand this i never get it
JulijaS [17]

Answer: 18

Step-by-step explanation:

6 ÷ 2 = 3

162 ÷ 54 = 3

The constant ratio is 3

6 × 3 = 18

Hope I helped!

5 0
3 years ago
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