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3 years ago

Please Help!!! DUE NOW!

Mathematics

1 answer:

Alexxandr [17]3 years ago

5 0

Answer: 37

Step by step explanation:

y+29+40+2y=180°( sum of angle in straight line)

or, y+2y+29+40=180°

or,3y+69=180

or,3y=180-69

or,3y=111

or,y=111/3

y=37

hope it helps

Good luck on your assignment

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A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 447 gram setting. It is

lord [1]

Answer:

A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 447 gram setting.

$H_0:\mu = 447\\H_a:\mu\neq 447$

Mean = $\mu = 447\\s = 21\\x = 443$

n = 19

Since n < 30 , so we will use t test

$t=\frac{x-\mu}{\frac{s}{\sqrt{n}}}$

Substitute the values :

$t=\frac{443-447}{\frac{21}{\sqrt{19}}}$

$t=−0.8302$

t calculated = -0.830

degree of freedom = n-1 = 19-1 = 18

A level of significance=α=0.025

$t_{(df,\frac{\alpha}{2})}=2.093$

t critical = 2.093

t calculated < t critical

So, We failed to reject null hypothesis

Decision rule -0.830< 2.093 So, We failed to reject null hypothesis

4 0

3 years ago

Alberto has 62 pennies, 41 nickels,and 29 dimes. What stratelgy can Alberto use to find the total number of coins? Describe it a

nordsb [41]

Alberto can add all of the numbers of coins up to find the total number of coins. Now, you can add the recent total to 343 to get the FINAL amount of coins.

6 0

3 years ago

What is the answer?????

777dan777 [17]

I belive [c] is the answer 37/100 47/100
hope this help have a great day :D

7 0

3 years ago

If 1kg is the weight of seven apples, how many apples are in 2K grams?

Elena L [17]

Hey here is your answer

==========================

1kg = 1000g

given,

1kg = 7 apples

1000g = 7 apples

then,

2000g = 2 × 1000g

= 2 × 7 apples

= 14 apples

===========================

hope it may helpful to you

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5 0

3 years ago

Read 2 more answers

Solve for the values of x and y: y = 3x - 5 ........(i) and y = -x + 7 ........(ii)

Paraphin [41]

Answer:

x= 3, y= 4

Step-by-step explanation:

y= 3x -5 -----(i)

y= -x +7 -----(ii)

Substitute (i) into (ii):

3x -5= -x +7

3x +x= 7 +5

4x= 12

x= 12 ÷4 (÷4 on both sides)

x= 3

Substitute x= 3 into (ii):

y= -3 +7

y= 4

6 0

3 years ago