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maxonik [38]
4 years ago
5

Math question please help me!

Mathematics
1 answer:
STALIN [3.7K]4 years ago
7 0

Answer:

im pretty sure its 42%. so it would be d

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How do you describe the sum of two rays for geometry?
Ray Of Light [21]
To find the sum of an infinite geometric series having ratios with an absolute value less than one, use the formula, S=a11−r, where a1 is the first term and r is the common ratio.
3 0
3 years ago
for p(x)= 192 + 21x^3 + 54x^2 - 3x^4 - 264x, use synthetic substitution to evaluate p(1), p(-2), and p(8)
RSB [31]

The value of p(1), p(-2), and p(8) is 0, 744 and 0 respectively

<h3>What is polynomial function?</h3>

Given the function p(x)= 192 + 21x^3 + 54x^2 - 3x^4 - 264x

We are to get the following parameters:

p(1)= 192 + 21(1)^3 + 54(1)^2 - 3(1)^4 - 264(1)\\p(1)=192+21+54-3-264\\p(1)=0

For p(-2)

p(-2)= 192 + 21(-2)^3 + 54(-2)^2 - 3(-2)^4 - 264(-2)\\p(-2)=192-168+216-24+528\\p(-2)=744

For p(8)

p(8)=192 + 21(8)^3 + 54(8)^2 - 3(8)^4 - 264(8)\\p(8)=192+10,752+3,456-12,288-2,112\\p(-2)=0

Hence the value of p(1), p(-2), and p(8) is 0, 744 and 0 respectively

Learn more on polynomials here: brainly.com/question/4142886

7 0
3 years ago
sabine and jack know that 1 kilogram = 2.2 pounds and 1 pound = 0.454 kilogram. they each write an expression to convert 50 poun
zzz [600]

Answer:

50 pounds =  22.7 kilograms

Step-by-step explanation:

Yes both are correct

Sabine :

2.2 pounds =   1 kilogram

     1 pound = 1/ 2.2 kilogram = 0.454 kilogram

50 pounds = 50 * 0.454 =22.7 kilograms

5 0
3 years ago
Isabelle has $84.00 in her account
aliya0001 [1]
Isabelle is poor, sorry.
6 0
4 years ago
Please answer soon. Include Statement and Reason if possible.
Zigmanuir [339]
<h3>Answer:  AC = sqrt(21)/2</h3>

====================================================

Explanation:

Triangle CDA is congruent to triangle CDB. We can use the HL (hypotenuse leg) congruence theorem to prove this. This only works because we have two right triangles.

Since CDA and CDB are congruent, this means their corresponding pieces are the same length. Specifically AD = DB, so

AD+DB = AB

AD+AD = 3

2*AD = 3

AD = 3/2 = 1.5

For triangle CDA, we have AD = 3/2 = 1.5 and CD = sqrt(3). We can use the pythagorean theorem to find the missing side AC

a^2 + b^2 = c^2

(AD)^2 + (CD)^2 = (AC)^2

(3/2)^2 + (sqrt(3))^2 = (AC)^2

9/4 + 3 = (AC)^2

(AC)^2 = 9/4 + 3

(AC)^2 = 9/4 + 12/4

(AC)^2 = 21/4

AC = sqrt(21/4)

AC = sqrt(21)/sqrt(4)

AC = sqrt(21)/2

This is the same as writing (1/2)*sqrt(21) or 0.5*sqrt(21)

5 0
4 years ago
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