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2 years ago

What is the number between 8 and 21

Mathematics

2 answers:

Tpy6a [65]2 years ago

4 0

Answer:

9,10,11,12,13,14,15,16,17,18,19,20

i hope you can wrap your mind around it

enjoy your next 24 hours <3

I am Lyosha [343]2 years ago

3 0

Answer:

9,10,11,12,13,14,15,16,17,18,19 and 29

Step-by-step explanation:

Hope this help!!

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Graph the system of equations 4x+4y=16 x+6y=-6

never [62]

Answer:

Graph has been shown in the attached file.

Step-by-step explanation:

We have been given the system of equations

$4x+4y=16.......(1)\\x+6y=-6.........(2)$

Both the equation represents a straight lines. We can find the x and y intercepts of these lines to graph.

The intercept form of a line is given by

$\frac{x}{a}+\frac{y}{b}=1$

Here a is the x - intercept and b is the y-intercept.

Divide both sides of the equation (1) by 16

$\frac{4x}{16}+\frac{4y}{16}=1\\\\\frac{x}{4}+\frac{y}{4}=1$

Hence, x-intercept = 4 and the point is (4,0)

y-intercept = 4 and the point is (0,4)

Similarly, for the second line

Divide both sides of the equation (2) by -6

$\frac{x}{-6}+\frac{6y}{-6}=1\\\\\frac{x}{-6}+\frac{y}{-1}=1$

x-intercept = -6 and the point is (-6,0)

y-intercept = -1 and the point is (0,-1)

We'll plot these points in the xy- plane and then join to get the graph of these lines.

7 0

3 years ago

Yo can someone help me out

amid [387]

Answer:

x = 21

Step-by-step explanation:

corresponding sides in similar polygons are proportional:

set a proportion: BC/FK = CA/KJ => 18/6 = x/7 => x = 18 × 7 ÷ 6 = 21

8 0

3 years ago

Read 2 more answers

Which property is illustrated by the equation 3(mn)=(3m)n?

Elenna [48]

That would be the associative property

3 0

3 years ago

Read 2 more answers

Examine the data below for a stalk of corn. Logarithmic regression Use logarithmic regression to find an equation of the form y

masya89 [10]

The value of a and b for the data values of stalk of corn using the logarithmic regression is -76.2038 and 37.6735 respectively.

<h3>What is logarithmic regression?</h3>

Logarithmic regression is a type of regression which is used to model the statement in which the growth or decay initially at rapid rate, and then slow down with respect to time.

The data of the table for the day and height of the stalk of corn is listed below.

Day (x) 9 12 22 40

Height (y) in 5 17 45 60

Mean of x values,

$m_x=\dfrac{9+12+22+40}{4}\\m_x=17.5581$

Mean of y values,

$m_y=\dfrac{5+17+45+60}{4}\\m_y=31.75$

For the above table, the value of correlation coefficient is 0.99133. For these values, the logarithmic regression can be given as,

$y = -76.2038+37.6735\ln(x)$

Compare it with the following logarithmic regression equation, we get

$y = a+b\ln(x)$

$a=-76.2038\\b=37.6735$

Hence, the value of a and b for the data values of stalk of corn using the logarithmic regression is -76.2038 and 37.6735 respectively.

Learn more about the logarithmic regression here;

brainly.com/question/25226042

5 0

2 years ago

If the length of a rectangle is three times it’s width and it’s parameter is 24cm what is the area

katrin [286]

Answer:

Area = 27 cm²

Step-by-step explanation:

let L be the length of the rectangle

w the width

P the perimeter

A the area

Formulas :

P = 2×(L + w)

A = L × w

We are Given :

L = 3w

P = 2×(L + w)

⇔ 24 = 2×(3w + w)

⇔ 24 = 2×4w

⇔ 24 = 8w

⇔ w = 24/8 = 3

Then

L = 3w = 3×3 = 9

We obtain L = 9 and w = 3.

Then

A = L × w

= 9 × 3

= 27

6 0

2 years ago