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3 years ago

Can you help me solve these questions....please and thank you!

Mathematics

1 answer:

FromTheMoon [43]3 years ago

5 0

42)
prime numbers are 41, 43, 47
answer
F. 3

35)
36 colored
faction 36/60 = 18/30 = 6/10 = 3/5

faction not equivalent to is 8/20

answer is C. 8/20

11)
answer is D. 18.21

cause 18.21 > 17.06 and 18.21 < 18.307

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A superintendent of schools wonders if scores on a test of science achievement differ for female and male 8th grade students. To

lina2011 [118]

Answer:

b. 2-independent sample t-test

Correct for this case is the best test since the result from each group are independent and we can compare the sample means between th two groups

Step-by-step explanation:

For this case the intention is try to test if scores on a test of science achievement differ for female and male 8th grade students. let's analyze the possible options for this case:

a. 2-dependent sample t-test

False is not possible since the nature of the gender is not possible to conclude tha the results from boys and girls are dependent

b. 2-independent sample t-test

Correct for this case is the best test since the result from each group are independent and we can compare the sample means between the two groups

c. Correlation

False we can't compare the means of interest with a correlation coefficient since that's not the purpose of the study

d. 2-way ANOVA

False we have just one variable between two groups so is not possible to apply a 2 way ANOVA

5 0

3 years ago

Show how you can make a ten to find the sum 8+9

GarryVolchara [31]

Instead of 8+9= 17 do 10+ 7= 17
Simple!

7 0

3 years ago

4. Which of the two figures below has the lesser volume?

elena55 [62]

Answer:

cylinder has greater volume

7 0

3 years ago

Which physical feature is shown?

alukav5142 [94]

Answer:

APPALACHIAN MOUNTAINS

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6 0

2 years ago

Write an equation of the line through (6,-5) having slope 0. Give the answer in standard form.

allsm [11]

0x + 1y = -5 is the standard form of equation

Solution:

Given that we have to write the equation of line passing thorugh (6, -5) and has slope 0

The equation of line in slope intercept form is given as:

y = mx + c ---------- eqn 1

Where, "m" is the slope of line and "c" is the y - intercept

Given that, m = 0

Given point is (6, -5)

To find the y - intercept:

Substitute (x, y) = (6, -5) and m = 0 in eqn 1

-5 = 0(6) + c

c = -5

Substitute c = -5 and m = 0 in eqn 1

y = 0x + (-5)

y = -5

The standard form of equation is given as:

The standard form of an equation is Ax + By = C

In this kind of equation, x and y are variables and A, B, and C are integers

y = -5

0x + 1y = -5 is the standard form of equation

8 0

2 years ago