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Lerok [7]
3 years ago
10

The math teachers inspect the homework assignments from a random sample of 50 students at the school. Only 68% of the students c

ompleted their math homework. A significance test yields a P-value of 0.1265.
1)explain what it would mean for the null hypothesis to be true in this setting
2)interpret P-value
Mathematics
1 answer:
Lapatulllka [165]3 years ago
7 0

1 because the number is alsome

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David is creating keychains out of colored beads. He has 18 red beads, 64 blue beads and 96 pink beads. If each keychain will ha
sdas [7]

sorry i cant help on that its tricky but try 8???

8 0
3 years ago
26=2y-14 plz help out thxs :)
ASHA 777 [7]
26=2y-14\\
2y=40\\
y=20
5 0
3 years ago
PLZ ANSWER ASAP!! THANK YOU ​
evablogger [386]

Answer:

5 1/4

Step-by-step explanation:

cause if you multiply those numbers you should get the answer

Glad i can help!!!

8 0
3 years ago
Read 2 more answers
John is going on a trip and the country he is traveling to uses the Celsius scale. He is curious about converting Celsius temper
Setler79 [48]

Answer:

f(x)=\dfrac{9}{5}x+32 converts Celsius to Fahrenheit.

g(x)=\dfrac{5(x-32)}{9} converts Fahrenheit to Celsius.

Step-by-step explanation:

Write given data in the table

\begin{array}{cc}x&f(x)\\^{\circ}\text{C}&^{\circ}\text{F}\\20&68\\30&86\end{array}

Let the expression for the function be

f(x)=ax+b

Note, that this equation is linear equation and it is well-known fact that the Celsius to Fahrenheit dependence is linear.

Substitute corresponding values into this expression:

68=20a+b\\ \\86=30a+b

Subtract these two equations:

86-68=30a-20a\\ \\10a=18\\ \\a=\dfrac{9}{5}

Substitute it into the first equation:

68=20\cdot \dfrac{9}{5}+b\Rightarrow b=68-36=32

So,

f(x)=\dfrac{9}{5}x+32

This is the function which converts Celsius to Fahrenheit.

And function

g(x)=\dfrac{5(x-32)}{9} converts Fahrenheit to Celsius.

4 0
3 years ago
Read 2 more answers
WHOEVER ANSWERS CORRECTLY I WILL MARK BRAINLIEST!!
gizmo_the_mogwai [7]

Answer:

Area = 342cm^2, Perimeter = 22.79 cm

Step-by-step explanation:

First, divide the shape into 3:

An arc, a square, and a triangle.

Dimensions of shapes:

Arc:

Degree = 40°

Arms = 4 cm

Square:

All sides are 4 cm

Triangle:

base = 3 cm

height = 4 cm

hypotenuse = 5 cm

To get perimeter:

Arc length = \frac{40}{360} * (2*\pi * (4))   (4 is the arm length ) = 2.7925 cm

Arc arm = 4 cm

Square sides (only two are outside) = 2 * 4 = 8 cm

Triangle (only hypotenuse and base are outside) = 5 + 3 = 8 cm

So total perimeter is 2.7925 + 4 + 8 + 8 = 22.79cm

To get area:

Arc area (the pizza shape) = \frac{40}{2\pi } * \pi * (4)^{2}   (4 is the arm length) = 320 cm^{2}

Square area  = side * side = 4 * 4 = 16 cm^{2}

Triangle =  (1/2) * base* height = (1/2) * 3 * 4 = 6cm^{2}

So total area is 320 + 16 + 6 = 342cm^2

3 0
3 years ago
Read 2 more answers
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