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Anna [14]
3 years ago
13

The y-intercept of the line whose equation is 2x + y = 4 is

Mathematics
2 answers:
natita [175]3 years ago
7 0
y\ intercept\ for\ x=0\\\\
2x+y=4\ \ \ \ | subtract\ 2x\\
y=4-2x\\\\
y=4-0\\\\
y=4\\\\
y\ intercept\ is\ equal\ to\ 4.
aivan3 [116]3 years ago
7 0
If x = 0

2 x 0 + y = 4
y = 4

Answer = 4
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The sun appears to move across the sky, because the earth spins on its axis. To a person standing on the earth, the sun subtends
Liono4ka [1.6K]

Answer:

128 seconds

Step-by-step explanation:

The sun subtends an angle \theta=9.28\times10^{-3} rad

Angular velocity equation is \omega = \frac{\theta}{t}

where \omega is angular velocity and t is time.

Earth spins at a rate of :

\omega = \frac{2 \pi rad}{24 h \times \frac{3600 s}{1 h}} = 7.27221\times10^{-5}  rad/s

Isolating time (t) from angular velocity equation gives:

\omega = \frac{\theta}{t}

t = \frac{\theta}{\omega}

t = \frac{9.28\times10^{-3}}{7.27221\times10^{-5}}

t = 128 s

8 0
3 years ago
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Misha Larkins [42]

Step-by-step explanation:

You can put the value of x into the equation to solve for y. Hopes this works.

5 0
3 years ago
What is the length of the rectangular prism if it has a width of 13 meters, a helght of 17 meters, and a volume of 2,873
pentagon [3]

Answer:

The length is 13m.

Step-by-step explanation:

v = lwh \\  \\ 2873 = l(13)(17) \\ 2873 = 221l \\ l = 2873  \div 221 \\ l = 13

6 0
3 years ago
A square has a perimeter of 28 inches. Find the area of the square.
sasho [114]

Answer:

A = 49 in^2

Step-by-step explanation:

The perimeter of a square is found by

P = 4s where s is the side length

28 = 4s

Divide each side by 4

28/4 = 4s/4

7 =s

We want to find the area

A = s^2 where s is the side length

A = 7^2

A = 7^2

A = 49 in^2

4 0
3 years ago
Read 2 more answers
The product of 3.41 and 8.5 will have how many decimal places?
Aleks04 [339]
Hello! 

3.41 × 8.5 = 28.985

The product of 3.41 and 8.5 is 28.985, which has three decimal places. 

3 0
3 years ago
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