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11Alexandr11 [23.1K]
2 years ago
15

I'm confused math 7th grade pls help im confused

Mathematics
1 answer:
Bess [88]2 years ago
3 0

Answer:

10

Step-by-step explanation:

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A rectangle has a volume of 912 cubic meters. It has a length of 19 meters and a width of 12 meters. Which equation can be used
Nimfa-mama [501]
The answer would be B because LWH=V, so taking the information given, L(19) times W(12) would equal 228 and 228 times the H would give us volume so B
Hope this helped ;)
3 0
3 years ago
The force of gravity on an object varies directly with its mass. The constant of variation due to gravity is 32.2 feet per secon
castortr0y [4]

Answer:

<h2>F = 32.2m</h2>

Step-by-step explanation:

According to newton second law, the force of gravity on an object varies directly with its mass and it is expressed mathematically as Fαm i.e

F = mg where;

F is the force of gravity

m is the mass of the body

g is the proportionality constant known as the acceleration due to gravity.

If the constant of variation due to gravity is 32.2ft/s², the equation that represents F, the force on an object due to gravity according to m, the object’s mass can be gotten by substituting g = 32.2 into the formula above according to the law as shown;

F = m*32.2

F =32.2m

Hence the required equation is F = 32.2m

5 0
3 years ago
Read 2 more answers
(-0.04)(-0.1) HELP ME PLEASE
aalyn [17]
(0.04) times (0.1)  =  0.004 .

Since the original factors have the SAME sign,
their product is positive.


4 0
2 years ago
What is the sum of n natural numbers: 1+2+...+n?
r-ruslan [8.4K]

If

S=1+2+\cdots+(n-1)+n

then we also have

S=n+(n-1)+\cdots+2+1

Pairing up the terms, we can find that

2S=(1+n)+(2+n-1)+\cdots+(n-1+2)+(n+1)

2S=(n+1)+(n+1)+\cdots+(n+1)+(n+1)

S consists of n terms, so there are n copies of n+1 in the sum 2S. Then we find an immediate closed form for the sum:

2S=n(n+1)\implies S=\dfrac{n(n+1)}2

5 0
2 years ago
Write the standard equation of the circle with center (-14, -3) that passes through the point (-5,3),
grin007 [14]

Answer:

(x + 14)^2 + (y + 3)^2 = 117

Step-by-step explanation:

Equation of a circle:

The equation of a circle with center (x_0,y_0) is given by:

(x - x_0)^2 + (y - y_0)^2 = r^2

In which r is the radius.

Center (-14, -3)

This means that x_0 = -14, y_0 = -3

So

(x - x_0)^2 + (y - y_0)^2 = r^2

(x - (-14))^2 + (y - (-3))^2 = r^2

(x + 14)^2 + (y + 3)^2 = r^2

Passes through the point (-5,3),

This means that when x = -5, y = 3. We use this to find the radius squared. So

(x + 14)^2 + (y + 3)^2 = r^2

(-5 + 14)^2 + (3 + 3)^2 = r^2

r^2 = 117

So, the equation of the circle is:

(x + 14)^2 + (y + 3)^2 = r^2

(x + 14)^2 + (y + 3)^2 = 117

6 0
3 years ago
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