2 years ago

Im confused with this

Mathematics

2 answers:

kramer2 years ago

8 0

Answer:

X^2+7x+4

Step-by-step explanation:

Setler79 [48]2 years ago

4 0

Answer:

Step-by-step explanation:

Quotient

X^2+7x+4

The remainder is 1

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Kaylis [27]

It’s A because (-2)2+(4)2-2(-2)+4(4)+8=0
-4+8+4+-16+8
(8+8) (-4+4) (-16)
16 -16 =0

4 0

3 years ago

one section of wood is 3 5/8 meters long. another section is twice that long. when the two pieces are put together how many is t

madreJ [45]

Answer:

the mixed number form is 10 7/8

8 0

2 years ago

7) What is the slope-intercept form of this equation? Show all your work. 6x + 2y = 12

mariarad [96]

Answer:

Step-by-step explanation:

6x+2y=12

2y=6x-12

y=6x/2- 12/2

y=3x-6

7 0

2 years ago

Y=3/5 +2 plot the slope of the line

Ipatiy [6.2K]

The slope is equal to ³/₅.

6 0

3 years ago

Use differentials to estimate the amount of paint needed (in m3) to apply a coat of paint 0.04 cm thick to a hemispherical dome

pogonyaev

The amount of paint is the volume of paint needed.

The amount of paint needed is 0.065312 cubic meters

<h3>How to determine the amount of paint needed</h3>

The volume of a hemisphere is:

$V = \frac 23\pi r^3$

Differentiate the above equation

$V' = 2\pi r^2 r'$

The above equation represents the estimate of the amount of paint needed.

Where:

r represents the radius (r = 52/2 m)
r' represents the thickness (r' = 0.04 cm)

So, we have:

$V' = 2\pi r^2 r'$

$V' = 2 * 3.14 * (52/2\ m)^2 * (0.04cm)$

$V' = 2 * 3.14 * (26\ m)^2 * (0.04cm)$

Express cm as m

$V' = 2 * 3.14 * (26\ m)^2 * (0.0004m)$

$V' = 0.065312 m^3$

Hence, the amount of paint needed is 0.065312 cubic meters

Im confused with this​

Im confused with this