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3 years ago

Which expression is equivalent to (3x + 6)+?

Mathematics

1 answer:

OLEGan [10]3 years ago

4 0

Answer:

c but I am not sure

Step-by-step explanation:

3 is a multiple of 12

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Josiah and his children went into a grocery store and he bought $15 worth of peaches and mangos. Each peach costs $0.50 and each

Westkost [7]

Step•BY•Step Explanation~|

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y=1.50

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8 0

2 years ago

Help me with my last question plz

fomenos

Answer:

Step-by-step explanation:

Angle IHK and JKH are alternate angles.

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3 0

3 years ago

PLZ HELP The function shown models the total number of insects in a colony x months after a small number of the insects are brou

Zina [86]

Answer:

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Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

17. A hemisphere of lead of radius 7 cm is cast into a right circular cone of height 49 cm. Find

Pavlova-9 [17]

Answer:

$r = 3.74cm$

Step-by-step explanation:

Given

Hemisphere

$Radius = 7cm$

Cone

$Height = 49m$

Required

Determine the radius of the cone

First, we calculate the volume (V1) of the hemisphere.

$V_1 = \frac{2}{3}\pi r^3$

Substitute 7 for r

$V_1 = \frac{2}{3}\pi * 7^3$

$V_1 = \frac{2}{3}\pi * 343$

$V_1 = \frac{686}{3}\pi$

Volume (V2) of a cone is:

$V_2 = \frac{1}{3}\pi r^2h$

Because the lead is cast into a cone, then they have the same volume.

So, we have:

$\frac{686}{3}\pi = \frac{1}{3}\pi r^2h$

$686 = r^2h$

Substitute 49 for h

$686 = r^2 * 49$

Divide both sides by 49

$r^2 = \frac{686}{49}$

$r^2 = 14$

$r = \sqrt{14$

$r = 3.74cm$

Hence, the radius of the cone is 3.74cm

5 0

3 years ago

Is -1.5 greater than -.5

Scrat [10]

No, the .5 comes before the 1.5 and because they're negative, that means .5 is greater because it is closest to the zero

7 0

3 years ago