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jarptica [38.1K]
2 years ago
15

PLEASE HELP ME ASAP!!!!!!! TY! :)

Mathematics
2 answers:
Tamiku [17]2 years ago
6 0

Answer:

C

Step-by-step explanation:

zysi [14]2 years ago
4 0

Answer:

0 and 3

Step-by-step explanation:

bcoz do thatok u understand

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Find the discriminant and the number of real roots for the equation.<br><br> 4x^2+12x+9=0
netineya [11]

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Step-by-step explanation:

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3 years ago
Which sequence of transformations will result in similar, but not congruent, figures?
Rudik [331]

D.dilation changes the size is your answer. Hope this helps!

8 0
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An article gave the following summary information for fracture strengths (MPa) of n = 196 ceramic bars fired in a particular kil
Oliga [24]

Answer:

54.80 MPa to 55.92 MPa

Step-by-step explanation:

Sample mean fracture strength (x) = 55.36 MPa

Sample standard deviation (s) = 3.99 MPa

Sample size (n) = 196.

The upper and lower bounds for a 95% confidence interval are given by:

U=x+1.960*\frac{s}{\sqrt{n}} \\L=x-1.960*\frac{s}{\sqrt{n}}

The upper and lower bounds of the confidence interval are;

U=55.36+1.960*\frac{3.99}{\sqrt{196}}\\U= 55.92\\L=55.36-1.960*\frac{3.99}{\sqrt{196}}\\L= 54.80\\

The 95% confidence interval for true average fracture strength is 54.80 MPa to 55.92 MPa

4 0
3 years ago
I<br><br> Is x= -2 a solution to:<br> a.<br> 7X = -1<br> b. X* 14 = -28
raketka [301]

Answer:

Step-by-step explanation:

-2 x 14 = -28

b is the answer

8 0
3 years ago
What is the value of the expression below when y= 8 and z= 9?
g100num [7]

Answer:

27

Step-by-step explanation:

5y-2z

1.plug in

5(8)-2(9)

2.solve

5(8)=45

3.solve

2(9)=18

4.subtract

45-18=27

___________________________

answered by aurinda

hope it helps:)

____________________________

4 0
3 years ago
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