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3 years ago

Can someone help me with this ASAP please I’m being timed

Mathematics

2 answers:

Alchen [17]3 years ago

8 0

It is False you are welcome

GREYUIT [131]3 years ago

4 0

Answer:

false

Step-by-step explanation:

This is because the ones that most likely have a computer are going to play and the ones that dont arent going to play.

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Square units are used to measure?<br> 1 width<br> 2 volume<br> 3 area<br> 4 length

daser333 [38]

3.area
Square units are used to measure area.

6 0

3 years ago

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Determine the measurement of angle 2<br> i need all angles from 2 to 8

SOVA2 [1]

Answer:

<1 = 112º

<2 = 68º (given)

<3 = 68º

<4 = 112º

<5 = 112º

<6 = 68º

<7 = 68º

<8 = 112º

Step-by-step explanation:

Supplementary angles add up to 180º. Once you find the measure of <1 and <2, the bigger angle will always be the bigger number and the smaller angle will always be the smaller number from <1 and <2.

There's a better way to explain it but you would need to go to the basics of all angle rules.

6 0

3 years ago

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Find the value of y if the mean is 22 and 18 ( 2y+1), 10 and 20 is 15<br>

Igoryamba

Answer:

Step-by-step explanation:

Mean = sum of data/sample size

Sum of data = 22 + 18 + 2y+1 + 10 + 20

Sample size = 5

Mean = 15

Substitute

15 = 22 + 18 + 2y+1 + 10 + 20/5

15*5 = 22 + 18 + 2y+1 + 10 + 20

75 = 70+2y+1

2y = 75-71

2y = 4

y = 4/2

y = 2

Hence the value of y is 2

8 0

3 years ago

Gustavo and yuki were asked to find an explicit formula for the sequence 19, 0, -19, -38...

KiRa [710]

Answer:

<h2>Neither Gustavo nor Yuki</h2>

Step-by-step explanation:

It's an arithmetic sequence.

$0-19=-19\\-19-0=-19\\-38-(-19)=-38+19=-19$

The difference is constant.

The explicit formula of an arithmetic sequence:

$a_n=a_1+(n-1)d$

Substitute:

$a_1=19,\ d=-19$

$a_n=19+(n-1)(-19)$ <em>use distributive property</em>

$a_n=19-19n+19\\\\a_n=(19+19)-19n\\\\a_n=38-19n$

4 0

3 years ago

We have a study involving 5 different groups that each contain 9 participants (45 total). What two degrees of freedom would we r

vivado [14]

Answer:

Degree of freedoms F(4,40)

Step-by-step explanation:

Given:

There is a study which is involving 5 different groups that each contains 9 participants (totally 45)

The objective is to calculate the degree of freedoms

Formula used:

Numerator degree of freedom = k-1

denominator degree of freedom=N-K

Solution:

Numerator degree of freedom = k-1

denominator degree of freedom=N-K

Where,

K= number of groups = 5

N= total number of observations

which is given as follows,

N=45

Then,

Numerator degree of freedom = k-1

=5-1

Denominator degree of freedom = N-K

=45-5

=40

Therefore,

Degree of freedoms, F(4,40)

7 0

3 years ago