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spayn [35]
3 years ago
7

A student is evaluating the expression below for n=3.7.12.8+6(n-0.5) in what order should the student do the steps?

Mathematics
1 answer:
jeka943 years ago
5 0

Answer:

32

Step-by-step explanation:

The given expression is :

12.8+6(n-0.5)

We need to evaluate the expression for n = 3.7

Put n = 3.7 in the above expression.

12.8+6(3.7-0.5)

= 12.8+6(3.2)

= 12.8 + 19.2

= 32

So, the value of the given expression is equal to 32.

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Which value is NOT a solution of the inequality -2x + 5<7?
Ivenika [448]

Answer:1

Step-by-step explanation: Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

-2*x+5-(7)<0

Step by step solution :

STEP

1

:

Pulling out like terms

1.1 Pull out like factors :

-2x - 2 = -2 • (x + 1)

Equation at the end of step

1

:

STEP

2

:

2.1 Divide both sides by -2

Remember to flip the inequality sign:

Solve Basic Inequality :

2.2 Subtract 1 from both sides

x > -1

Inequality Plot :

2.3 Inequality plot for

-2.000 X - 2.000 > 0

One solution was found :

x > -1

5 0
3 years ago
Read 2 more answers
Solve for x. Leave your answer in simplest radical form
alexandr1967 [171]

Answer:

x = 2√7

using Pythagoras theorem:

  • 7² + ?² = 9²
  • ?² = 81 - 49
  • ? = √32
  • ? = 4√2

For the bottom part:

  • x² + 2² = (4√2)²
  • x² + 4 = 32
  • x² = 28
  • x = √28
  • x = 2√7
5 0
2 years ago
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Classify each equation below as a formula , a literal equation ,or both.
lawyer [7]

delete my answer please its useless

8 0
3 years ago
Please help I hate geometry
finlep [7]

transverse s at angle 135°

180° - 135° = 45°

Angle 2 is congruent to 45° because they're alternate exterior angles.

transverse t at angle 120°

180° - 120° = 60°

Angle 3 is congruent to 60° because they're alternate exterior angles.

One rule for exterior angles in triangles is that the exterior angle is equal to the sum of the two angles adjacent to the opposite angle of the exterior angle.

135° = angle 1 + 60°

angle 1 = 75°

120° = angle 1 + 45°

angle 1 = 75°

Therefore angle 1 is 75°,angle 2 is 45° and angle 3 is 60°

7 0
3 years ago
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At a school dance Juan paid $2.05 for 1 drink an 2 cookies. Keshia paid $1.85 for 1 cookie and 2 drinks. What is the cost of 1 c
Virty [35]

Answer:

0.75 cookie

0.55 drink

Step-by-step explanation:

0.75+0.75=1.50

1.50+0.55=2.05

0.55+0.55=1.10

1.10+0.75=1.85

Hope this helps!

7 0
3 years ago
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