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Elena-2011 [213]
3 years ago
11

A number is multiplied by 4, and then 6 is added to the product. The result is 18. What is the number?

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
7 0

Answer:

x = 3

Step-by-step explanation:

Write equation.

4x + 6 = 18

Subtract 6 from both sides.

4x = 12

Divide 4 to get x alone.

x = 3

Aleks [24]3 years ago
4 0

Answer:

3

Step-by-step explanation:

4x3=12

12+6

=18

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Twice m decreased by 11
iogann1982 [59]

Answer:

2m - 11

Step-by-step explanation:

twice m = 2m

decreased by 11 = -11

6 0
2 years ago
If (k-6)(k+2)-(k²-20)=2k+6, whatis tge value of k?​
xxMikexx [17]

K=1/3

simplify each bracket, put all numbers on the left hand side, equal it to 0 and solve for k

7 0
1 year ago
6) the circular base of a hemisphere of radius 2 rests on the base of a square pyramid of height 6. the hemisphere is tangent to
Rasek [7]

The length of the square base is thus 2 x 3\sqrt{2}/2 = 3\sqrt{2} = A

<h3>What is hemisphere?</h3>

Consequently, a hemisphere is a 3D geometric object that is made up of half of a sphere, with one side being flat and the other being a bowl-like shape. It is created by precisely cutting a spherical along its diameter, leaving behind two identical hemispheres.

EXPLANATION; Let ABCDE be the pyramid with ABCD as the square base. Let O and M be the center of square ABCD and the midpoint of side AB respectively. Lastly, let the hemisphere be tangent to the triangular face ABE at P.

Notice that triangle EOM has a right angle at O. Since the hemisphere is tangent to the triangular face ABE at P, angle EPO is also 90 degree. Hence, triangle EOM is similar to triangle EPO.

OM/2 = 6/EP

OM = 6/EP x 2

OM = 6\sqrt{6^2 - 2^2} x 2 = 3\sqrt{2}/2}

The length of the square base is thus 2 x 3\sqrt{2}/2 = 3\sqrt{2} = A

To know more about Hemisphere, visit;

brainly.com/question/13625065?referrer=searchResults

#SPJ4

6 0
1 year ago
Please help me i need to complete this by tomorrow
lisov135 [29]

Answer:

Step-by-step explanation: Need to work out your scale factor which is 1.5.

8 * 1.5 = 12

CE = 12

12 * 9 = 108/2 = 59 that is the area of triangle ACE

8 * 6 = 48/2 = 24 that is the area of triangle BCD

ACE - BCD = ABDE

59 - 24 = 35cm^2

8 0
2 years ago
Please answer ! will give brainliest
kotegsom [21]

Answer:

7

Step-by-step explanation:

5 0
2 years ago
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