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Montano1993 [528]
3 years ago
12

Pls Help im in a hurrry                                                                                                         

                                                                          solve. 4 5/8 + 2 1/4 =
Mathematics
2 answers:
amm18123 years ago
7 0

<em>Answer:</em>

<em><u>6 7/8</u></em>

<em>Step-by-step explanation:</em>

<em><u>Add the whole numbers </u></em>

<em>4 + 2 = 6</em>

<em><u>Add the factions,</u></em>

<em>5/8 + 1/4 = 7/8</em>

<em>6 + 7/8 =</em>

<em>6 7/8</em>


<u><em>Hope this helps :-)</em></u>

qwelly [4]3 years ago
5 0

6  1/4 mark bainliest plzzz

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When the shaded region below is rotated about the x-axis the resulting solid is a circular cone with radius 2 m and height 3 m.
WARRIOR [948]

Answer:

Therefore, the volume of the cone is V=4π.

Step-by-step explanation:

From task we have a circular cone with radius 2 m and height 3 m. We use the disk method to find the volume of this cone.  

We have the formula:

\boxed{V=\int_0^h\pi \cdot \left(\frac{r}{h}x\right)^2\, dx}

We know that r=2 and h=3, and we get:

V=\int_0^3\pi \cdot \left(\frac{2}{3}x\right)^2\, dx\\\\V=\int_0^3 \pi \frac{4}{9}x^2\, dx\\\\V= \frac{4\pi}{9} \int_0^3 x^2\, dx\\\\V= \frac{4\pi}{9} \left[\frac{x^3}{3}\right]_0^3\, dx\\\\V= \frac{4\pi}{9}\cdot 9\\\\V=4\pi

Therefore, the volume of the cone is V=4π.

7 0
3 years ago
During the first part of a hike, Andre drank 1.5 liters of the water he brought. If this is 50% of the water he brought, how muc
ira [324]

Answer:

50/100 x X = 1.5

x 100       x100

50x = 150

÷50   ÷50

X = 3

X = 3 liters I am pretty sure

5 0
3 years ago
Nadia needs one cup of ice cream for every student in her class for their year-end party. the ice cream is only sold in pints. i
mylen [45]

Answer:

12 pints

Step-by-step explanation:

There are 24 students & each one gets 1 cup, so you will need 24 cups total.  There are 2 cups in a pint.  You divided the 24 cups you need by 2 cups in a pint to get the answer of 12 pints.

You can double check:  12 pints converted to cups (2 cups in a pint) is 12 x2 = 24 cups

7 0
2 years ago
Need help.
aev [14]

Answer:

1. y= 3x+7

2.y=1/2 x -1

Step-by-step explanation:

1.

Parallel lines have the same gradient.In the equation given,

y= 3x+5 , the slope is 3

So now, you find the equation of a line passing through point (-1,4) with m=3

m=Δ y/Δx

3= y-4/ x--1

3= y-4 /x+1

3(x+1) = y-4

3x+3 =y-4

3x+3+4=y

⇒⇒ y= 3x+7   is the equation.

2.

Two lines that are perpendicular to each other have the product of their slopes to be -1

Given equation to be y= -2x +8 then, m₁ = -2

Finding m₂ will be;

m₁ *m₂ = -1

-2 * m₂ = -1

-2 m₂ = -1

m₂ = -1/-2 = 1/2

So writing the equation of the perpendicular line with m₂ =1/2 , point (-4,-3)

will be;

m=Δy/Δx

1/2=y--3/x--4

1/2 = y+3/x+4

x+4 = 2( y+3)

x+4 = 2(y+3)

x+4 =2y+6

x+4-6=2y

x-2=2y

x/2 -2/2=y

y=1/2 x -1   is the equation.

5 0
3 years ago
Graduated cylinders and beakers what are they and whats the difference
Verizon [17]
Cylinders are lengthy and tall and beakers are short and fat
6 0
3 years ago
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