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3 years ago

Which systems of equations does this graph represent?

Mathematics

1 answer:

Maru [420]3 years ago

8 0

mmcht. can't really see the graph

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Solve for x. 4−(2x+4)=5

WITCHER [35]

$4-(2x+4)=5\\-2x-4=1\\-2x=5\\x=-2.5$

Put it back into the equation,

$4-(2x+4)=5\\4-(2(-2.5)+4)=5\\4-(-5+4)=5\\4-(-1)=5\\5=5$

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3 0

3 years ago

Using appropriate properties find. 2/5×(-3/7)-1/6×3/2+1/14×2/5

BigorU [14]

Not for sure but maybe, -0.39285714285 if it’s correct hope it helps!

7 0

3 years ago

How do I factor the quadratic equation

anastassius [24]

Factor the following:
10 y^2 - 35 y + 30
Factor 5 out of 10 y^2 - 35 y + 30:
5 (2 y^2 - 7 y + 6)
Factor the quadratic 2 y^2 - 7 y + 6.
The coefficient of y^2 is 2 and the constant term is 6.
The product of 2 and 6 is 12.
The factors of 12 which sum to -7 are -3 and -4. So 2 y^2 - 7 y + 6 = 2 y^2 - 4 y - 3 y + 6 = y (2 y - 3) - 2 (2 y - 3):
5 y (2 y - 3) - 2 (2 y - 3)
Factor 2 y - 3 from y (2 y - 3) - 2 (2 y - 3):
Answer: 5 (2 y - 3) (y - 2)

4 0

3 years ago

PLEASE HELP!!!! TIMED EXAM

alexandr402 [8]

Answer:

The correct option is V = one-third (6) (4) (8).

Step-by-step explanation:

The volume of a rectangular pyramid is:

$V=\frac{1}{3}\ l\times b\times h$

Here,

V = volume

l = length

b = base

h = height

The information provided is:

l = 6 inches

b = 4 inches

h = 8 inches.

Compute the equation of the volume of a rectangular pyramid as follows:

$V=\frac{1}{3}\ l\times b\times h$

$=\frac{1}{3}\times 6\times 4\times 8$

Thus, the correct option is V = one-third (6) (4) (8).

4 0

3 years ago

Read 2 more answers

kyle is pulled back on a swing so that the rope forms an angle of 30 degress with the vertical the distance from the top of the

Anastaziya [24]

Answer:

12 ft - 2 ft = 10 ft

The rope is 10 feet long.

10 · cos 30° = 10 · √3 / 2 = 8.66 ft

x = 12 - 8.66 = 3.34 ft

Answer:

A ) 3.34 feet

3 0

1 year ago