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Rus_ich [418]
1 year ago
11

Solve for n. 7+2n = 11

Mathematics
2 answers:
TiliK225 [7]1 year ago
7 0
7+2n=11
-7 -7
2n=4
/2 /2
N=2
Musya8 [376]1 year ago
5 0

Answer:

2

Step-by-step explanation:

7+2n = 11

2n = 11-7

2n = 4

n = 4/2

therefore n = 2

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A spring is attatched at one end to support B and at the other end to collar A, as represented in the figure. Collar A slides al
m_a_m_a [10]

Step-by-step explanation:

cos θ = 3 / AB

When θ = 28°:

cos 28° = 3 / AB

AB = 3 / cos 28°

AB ≈ 3.4

When AB = 5.2:

cos θ = 3 / 5.2

θ = cos⁻¹(3 / 5.2)

θ ≈ 54.8°

3 0
3 years ago
the point (4,0) lies on a circle with the center at the orgin. what is the area of the circle to the nearsest hundreth?
kvasek [131]

Answer:

50.27 units²

Step-by-step explanation:²

The standard equation of a circle with center at the origin is x² + y² = r², where r is the radius.  Substituting 4 for x and 0 for y yields 4² + 0² = r², so we see immediately that r = 4 units.

The formula for the area of a circle is A = πr².

Here, with r = 4, the area is A = π(4 units)² = 16π units², or

50.27 units² to the nearest hundredth.

3 0
3 years ago
Picture attached!! help!
o-na [289]
C your welcome tell me if u need more help


3 0
3 years ago
-12 increased by half of a number is 28. What is the number
Nadya [2.5K]

Answer:

80

Step-by-step explanation:

28-28=0

0-12= -12

28+12 = 40

28-40 = -12

40 is the increase

40 is half of 80

So, the answer is 80

To check: -12 + 40 (half of a number; 80) = 28

Hope this makes sense. If you require further information, do not hesitate to ask!

3 0
2 years ago
Read 2 more answers
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Fynjy0 [20]
The new shower head dispenses 3 gallons of water per minute, as shown in the equation y = 3x.

So, 3 x 8 = 24.

Then, to find out how much he saves each day, you would find how much he used before,

11 x 8 = 88

Next we want to see how much Nathan saved, so we subtract the total,

88 - 24 = 64

Nathan saved 64 gallons.
7 0
3 years ago
Read 2 more answers
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