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3 years ago

HELPPPPPPPPPPPPP and please don't put the "link" i really need answers!!!

Mathematics

1 answer:

Roman55 [17]3 years ago

7 0

Answer:

The first option is

A(x) = 10000(1.05)ˣ

The second option is:

B(0) = 1000
B(1) = 1100
The ratio is 1.1 and the zero term is 1000

The equation for this option is:

B(x) = 1000(1.1)ˣ

Now, which option is better?

It depends on the number of x. It is assumed the genie is offering money or similar reward.

For the values of x below 50 option A is better and option B is much better for x > 50.

See the graph in the attachment, where green line represents the option A and red line is option B.

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Mrs.Lohens made curtains for her children’s bedrooms. She used 4 3/4 yards of fabric for Nickys room and 6 5/8 yards for Linda’s

Gelneren [198K]

Answer:

$11\frac{3}{8}\ yd$

Step-by-step explanation:

we know that

To find out the total yards of fabric used, add up the yards of fabric used for Nickys' room and the yards of fabric used for Linda's room

$4\frac{3}{4}+6\frac{5}{8}$

Convert mixed number to an improper fraction

$4\frac{3}{4}\ yd=4+\frac{3}{4}=\frac{4*4+3}{4}=\frac{19}{4}\ yd$

$6\frac{5}{8}\ yd=6+\frac{5}{8}=\frac{6*8+5}{8}=\frac{53}{8}\ yd$

Adds the fractions

$\frac{19}{4}+\frac{53}{8}=\frac{2*19+53}{8}= \frac{91}{8}\ yd$

Convert to mixed number

$\frac{91}{8}\ yd= \frac{88}{8}+ \frac{3}{8}= 11\frac{3}{8}\ yd$

6 0

3 years ago

Explain the method for determining the correct degree and classification of a polynomial?

Rasek [7]

For determining the correct degree of a polynomial, you need to look at each term and find the degree by adding the exponents of each variable in it. The largest degree is the degree of the polynomial.

Classification by the number of terms:
monomial (1 term)
binomial (2 terms)
trinomial (3 terms)
polynomial (four or more terms).

6 0

3 years ago

If you want to construct a 90% confidence interval, what critical value (z*) should you use? Group of answer choices 2.576 1.960

Rom4ik [11]

Answer:

For this case we know that the confidence level is 90% so then the significance level is $\alpha=1-0.9 =0.1$ and $\alpha/2 =0.05$ . And we can find in the normal standard distribution a value who accumulates 0.5 of the area on each tail and we got:

$z_{\alpha/2}= \pm 1.645$

And the best option would be:

1.645

Step-by-step explanation:

We assume that the parameter of interest is $\theta$ and we can assume that the distribution for this parameter is normally distributed so then the confidence interval assuming a two sided interval is given by: