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3 years ago

How do I turn those numbers into a mixed number?

Mathematics

1 answer:

BigorU [14]3 years ago

8 0

Number 2 is already a mixed number. But it says mixed number as a decimal. So -1 29/40 as a decimal is -1.725.

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Suppose you are covering your desk (shape below) with paper and want to know how many square inches of paper you need.

zavuch27 [327]

Answer:

a. Divide the figure into two rectangles, find the area of each rectangle and add them (See the picture attached).

b. $279\ in^2$

c. The total area of the figure is 279 square inches.

Step-by-step explanation:

a. Divide the figure into two rectangles (See the picture attached), then find the area of each rectangle and finally, add the areas calculated in order to get the total area of the given figure,

b. The area of a rectangle can be found using this formula:

$A=lw$

Where "l" is lenght and "w" is the width.

Area of Rectangle A

You can identify that:

$l_A=19\ in\\\\w_A=11\ in$

Then, its area is:

$A_A=(19\ in)(11\ in)=209\ in^2$

Area of Rectangle B

You can identify that:

$l_B=10\ in\\\\w_B=18\ in-11\ in=7\ in$

Then, its area is:

$A_B=(10\ in)(7\ in)=70\ in^2$

Total area

$A_T=209\ in^2+70\ in^2=279\ in^2$

c. The total area of the figure is 279 square inches.

3 0

3 years ago

If the line formed by equation 1 is parallel to the line formed by equation 2, fill in the missing value below.

madreJ [45]

Answer:

$y =-\frac{3}{2}x + 6$

Step-by-step explanation:

Given

$y = []x + 6$ --- equation 1

$y = \frac{2}{3}x + 10$ --- equation 2

Required

Fill in the blank

A linear equation is represented as:

$y = mx + b$

Where m represents the slope

If (1) and (2) are perpendicular, then:

$m_1 = -\frac{1}{m_2}$

In $y = \frac{2}{3}x + 10$ --- equation 2

$m_2 = \frac{2}{3}$

So, we have:

$m_1 = -\frac{1}{m_2}$

$m_1 = -\frac{1}{2/3}$

$m_1 = -\frac{3}{2}$

Hence, the complete equation is:

$y =-\frac{3}{2}x + 6$

7 0

3 years ago

What is the value of 4/15 divided by 2/3 as a fraction

coldgirl [10]

Answer:

Step-by-step explanation:

$\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}$

7 0

3 years ago

Read 2 more answers

I am a two-digit number. Twice the sum of my digits is 22. The product of my digits is 24. My tens digit is greater than my ones

Debora [2.8K]

Answer:

Step-by-step explanation:

form 2 equations(1). 2(x+y)=22. (2)xy=24,then solve simultaneously

4 0

3 years ago

Parts of New Orleans lie 0.5 meter below sea level. After d days of rain, the equation w=0.3d ± 0.5 represents the water level w

Lera25 [3.4K]

Answer:

$w = - 0.5$

Step-by-step explanation:

Given

$w = 0.3d - 0.5$ [The correct equation]

Required

Find and interpret the 0

To do this, we set $d = 0$

Substitute 0 for d in $w = 0.3d - 0.5$

$w = 0.3 * 0 - 0.5$

$w = 0 - 0.5$

$w = - 0.5$

<em>This means that the level of rain is 0.5m below the sea at day 0</em>

3 0

3 years ago