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sergiy2304 [10]
3 years ago
5

Seven less than the product of 5 and a number is 2

Mathematics
2 answers:
slava [35]3 years ago
6 0

5x-7=2

hope this makes sense

Nady [450]3 years ago
5 0
5n-7=2. For sure. Hope it’s helpful
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nevsk [136]

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5 nickles in a quator.

Step-by-step explanation:

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In the trapezoid below, x = [ ? ].<br> 2x+6<br> I<br> 5x=20<br> 4r+2
KonstantinChe [14]

Answer:

x = 12

Step-by-step explanation:

To get the value of x, we use the mid-segment theorem of trapezoid

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5x - 20 = 1/2(2x + 6 + 4x + 2)

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3 years ago
-4 1/4 divided by 2 3/4
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Step-by-step explanation:

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NOTE: Angles not necessarily drawn to scale.
jeka57 [31]

Answer:

x = 45°

Step-by-step explanation:

<u>Vertical Angle Theorem</u>

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Therefore, angles ∠FEC and ∠DEG are vertically opposite, and so they are equal.

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6 0
1 year ago
2x - 3y = -1 <br> y = x - 1 <br><br> Solve for both x and y using elimination.
olchik [2.2K]
Solve the following system using elimination:
{2 x - 3 y = -1 | (equation 1)
{y = x - 1 | (equation 2)

Express the system in standard form:
{2 x - 3 y = -1 | (equation 1)
{-x + y = -1 | (equation 2)

Add 1/2 × (equation 1) to equation 2:
{2 x - 3 y = -1 | (equation 1)
{0 x - y/2 = (-3)/2 | (equation 2)

Multiply equation 2 by -2:
{2 x - 3 y = -1 | (equation 1)
{0 x+y = 3 | (equation 2)

Add 3 × (equation 2) to equation 1:
{2 x+0 y = 8 | (equation 1)
{0 x+y = 3 | (equation 2)

Divide equation 1 by 2:
{x+0 y = 4 | (equation 1)
{0 x+y = 3 | (equation 2)
Collect results:
Answer:  {x = 4, y = 3
6 0
3 years ago
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