Question 3 of 8 Which of the symbols correctly relates the two numbers below? Check all that apply. 19 ? 20

Mathematics

1 answer:

levacccp [35]3 years ago

7 0

Answer:

a and d

Step-by-step explanation:

it has a ratio comparison

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Maddie mailed y letters in january. she mailed 3 times

Digiron [165]

The expression which shows the amount of money, in dollars Maddie spent on mailing letters in March is 3.7 +0.74 y.

Given Maddie mailed y letters in January. She mailed 3 times as many letters in February. In March she mailed 10 letters more than half of what she mailed in January and February.

Expression is combination of numbers, symbols, fraction, coefficients which are not found in equal to form.

Letters mailed in January=y

Letters mailed in February=3y

Letters mailed in March=10+(y+3y)/2

=10+2y

Amount of mailing of 1 letter=$0.37.

Amount of mailing of letters in March=0.37(10+2y)

=3.7+0.37*2y

=3.7+0.74y

Hence the expression which shows the amount of letters mailed in March is 3.7+0.74 y.

Learn more about expression at brainly.com/question/723406

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8 0

2 years ago

D (9x -31) =-2) +33) E ZDCE= Blank 1:

melisa1 [442]

Answer:

x = 6 $\frac{8}{9}$

Step-by-step explanation:

From what I think the equation is, I got x = 6 $\frac{8}{9}$

4 0

2 years ago

In a one-tail hypothesis test where you reject h0 only in the upper tail, what is the p-value if z-stat= 1. 70?

11111nata11111 [884]

In a one-tail hypothesis test where you reject h0 only in the upper tail

-1.2910 is the p-value.

A p-value is a statistical measure used to test a hypothesis against observed data. The p-value measures the probability of getting the observed result given that the null hypothesis is true. The lower the p-value, the higher the statistical significance of the observed difference.

For null hypothesis significance tests, the p-value is the probability of obtaining an extreme test result that is at least as extreme as the actually observed result, given that the null hypothesis is true.

Learn more about p-value here: brainly.com/question/4621112

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