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alexandr1967 [171]

3 years ago

14

I need help please .

1 answer:

Simora [160]3 years ago

8 0

Answer:

the answer is 1 because kyut ko hahaha

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This is geometry please help

EastWind [94]

Answer:

x = 31°

Step-by-step explanation:

$\triangle ABC \cong \triangle DCE... (given) \\\\\therefore m\angle B = m\angle E..(cact)\\\\\because m\angle B = 61\degree \\\\\therefore m\angle E = 61\degree \\\\In \: \triangle DCE\\\\m\angle D+ m\angle C + m\angle E = 180\degree \\(by \: interior \: angle \: sum \: property \: of \: a triangle) \\\\2x\degree + 57\degree + 61\degree= 180\degree \\\\2x\degree + 118\degree = 180\degree \\\\2x\degree = 180\degree - 118\degree \\\\2x\degree = 62\degree \\\\x = \frac{62\degree}{2} \\\\x = 31\degree$

3 0

3 years ago

Which equation of the least squares regression line most closely matches the data set?

Rudiy27

Answer: y = 3.5 x+ 43.8

Step-by-step explanation:

Here x represents the number of years after 1990

Thus, we get the table that is used to find the equation will be,

x 0 2 4 6 8

y 45 51 57 61 75

Let the equation that shows the above data,

y = b + a x ---------(1)

$\text{Where, }a=\frac{\sum y \sum x^2-\sum x \sum xy}{n(\sum x^2)-(\sum x)^2}$

$\text{And, }b = \frac{\sum xy - \sum x\sum y}{n\sum x^2 - (\sum x)^2}$

By the above table,

$\sum x = 20$

$\sum xy = 1296$

$\sum x^2 = 120$

$\sum y = 289$

By substituting these values in the above value of a and b,

We get b = 43.8 and a = 3.5

Substitute this value in equation (1)

we get, the equation that shows the given data is,

y = 3.5 x + 43.8

⇒ Option (3) is correct.

4 0

3 years ago

Read 2 more answers

Create a ratio table to solve the following rate problem.

rusak2 [61]

Answer:

1=18 ×3= <u><em>3years=54inches in growth</em></u>

6 0

3 years ago

If x = 3 (y + 2) minus 1 what is the value of w in terms of x and y?

topjm [15]

Answer:

B

Step-by-step explanation:

edge2020

7 0

2 years ago

Read 2 more answers

Which statement below compares the decimals correctly? (3 points) A 0.63 < 0.48 B 0.48 = 0.63 C 0.63 > 0.48 D 0.48 > 0.

Bad White [126]

Answer:

$(c)\ 0.63 > 0.48$

Step-by-step explanation:

Given

$0.63$ and $0.48$

Required

Which compares them correctly

$(a)\ 0.63 < 0.48$

This is incorrect because 0.63 is greater

$(b)\ 0.48 = 0.63$

This is also incorrect because 0.63 is greater

$(c)\ 0.63 > 0.48$

This is also correct because 0.63 is greater

$(d)\ 0.48 > 0.63$

This is also incorrect because 0.63 is greater

7 0

3 years ago