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Katena32 [7]
3 years ago
10

Please help me with this math problem I am going to fail if I don’t get this right

Mathematics
1 answer:
deff fn [24]3 years ago
3 0

Answer:

7+3^{2} - 2 × 5 < (\frac{3}{4} + \frac{1}{8} ) ÷ \frac{1}{8}

Step-by-step explanation:

so <

hope this helps!

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A stonemason wants to look at the relationship between the density of stones she cuts and the depth to which her abrasive water
garik1379 [7]

Answer: y=374.2 -133 x

​Step-by-step explanation: I just did the khan test

Least-squares regression equation

The equation for the least-squares regression line for predicting yyy from xxx is of the form:

\hat{y}=a+bx

y

^

​

=a+bxy, with, hat, on top, equals, a, plus, b, x,

where aaa is the yyy-intercept and bbb is the slope.

Hint #22 / 4

Finding the slope

We can determine the slope as follows:

b=r\left(\dfrac{s_y}{s_x}\right)b=r(

s

x

​

s

y

​

​

)b, equals, r, left parenthesis, start fraction, s, start subscript, y, end subscript, divided by, s, start subscript, x, end subscript, end fraction, right parenthesis

In our case,

b=-0.95\left(\dfrac{42}{0.3}\right)=-133b=−0.95(

0.3

42

​

)=−133b, equals, minus, 0, point, 95, left parenthesis, start fraction, 42, divided by, 0, point, 3, end fraction, right parenthesis, equals, minus, 133

Hint #33 / 4

Finding the yyy-intercept

Because the regression line passes through the point (\bar x, \bar y)(

x

ˉ

,

y

ˉ

​

)left parenthesis, x, with, \bar, on top, comma, y, with, \bar, on top, right parenthesis, we can find the yyy-intercept as follows:

a=\bar y-b\bar xa=

y

ˉ

​

−b

x

ˉ

a, equals, y, with, \bar, on top, minus, b, x, with, \bar, on top

In our case,

a=41.7 +133 (2.5)=374.2a=41.7+133(2.5)=374.2

3 0
3 years ago
What is 8.194 rounded to the nearest tenth
larisa86 [58]
What is 8.194 rounded to the nearest tenth you ask?

8.2!

6 0
3 years ago
Read 2 more answers
Hot dogs are sold in packages of 6. Hot dog buns are sold in packages of 8
yaroslaw [1]

Answer:

4 hot dog packages, and 3 packages of buns.

Step-by-step explanation:

This is a great way to make the customer buy more lol.

Hope this helps :)

3 0
2 years ago
In a complete sentence, describe the positions of these numbers on the number line in relation to each other. Then, write an ine
saveliy_v [14]
-13 is lower than -10, therefore the question would be -13<-10
8 0
3 years ago
30% of __=3<br><br> Please I need this Asap
Natalija [7]

Answer:

<h2>30% of 10 is 3</h2>

Step-by-step explanation:

We have 30% of x= 3

you want to multiply both sides by 30

which will get you to 3

4 0
3 years ago
Read 2 more answers
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