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rosijanka [135]
2 years ago
13

9. Evaluate 14(-6x +10) - 16x - 100x + 140 for x = -2.

Mathematics
1 answer:
Radda [10]2 years ago
5 0

Answer:

680

Step-by-step explanation:

14(-6x +10) - 16x - 100x + 140 for x = -2.

14(-6(-2) + 10) - 16(-2) - 100(-2) + 140

14(12 + 10) + 32 + 200 + 140

14(22) + 372

308 + 372

680

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How to solve a+5=-5a+5
Naddika [18.5K]
Simplifying
a + 5 = -5a + 5

Reorder the terms:
5 + a = -5a + 5

Reorder the terms:
5 + a = 5 + -5a

Add '-5' to each side of the equation.
5 + -5 + a = 5 + -5 + -5a

Combine like terms: 5 + -5 = 0
0 + a = 5 + -5 + -5a
a = 5 + -5 + -5a

Combine like terms: 5 + -5 = 0
a = 0 + -5a
a = -5a

Solving
a = -5a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '5a' to each side of the equation.
a + 5a = -5a + 5a

Combine like terms: a + 5a = 6a
6a = -5a + 5a

Combine like terms: -5a + 5a = 0
6a = 0

Divide each side by '6'.
a = 0

Simplifying
a = 0
8 0
3 years ago
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Bonita is testing prototype model rocket engines. To be considered a successful launch, the rocket must reach a height of at lea
Reika [66]
Refer to the diagram shown below.

The given constraints are
(a)  y ≥ 24 ft
(b ) x ≤ 10 ft
(c)  y ≥ 3x
(d)  y ≤ 33 ft
The acceptable region is shown shaded.

A (0, 33) satisfies all conditions
B (4, 36) fails condition (d)
C (4.8, 30.5) satisfies all conditions
D (9, 26) fails condition (c)
E (2, 22) fails condition (a)

Answer:
The acceptable points are A and C.

8 0
3 years ago
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The number of hours of​ daylight, H, on day t of any given year​ (on January​ 1, tequals​1) in a particular city can be modeled
german

Answer:

Check the explanation

Step-by-step explanation:

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7 0
2 years ago
Solve for x, x-6≤3 simplify
Damm [24]

Answer:

x≤9

Step-by-step explanation:

x−6≤3

Add 6 to both sides.

x≤3+6

Add 3 and 6 to get 9

x≤9

3 0
3 years ago
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Slope is -4/5 and passes through the point (2, -3).<br> 5
Natalka [10]

Answer:

y = (-4/5)x - 7/5

Step-by-step explanation:

The general equation of the line is slope-intercept form is:

y = mx + b

In this form, "m" represents the slope and "b" represents the y-intercept. You have been given the value of the slope (m = -4/5). To find the y-intercept, use the slope and values from the Point (2,-3) to isolate "b".

y = mx + b                                   <----- Slope-intercept form

y = (-4/5)x + b                             <------ Plug -4/5 in "m"

-3 = (-4/5)(2) + b                         <----- Plug in "x" and "y" values from Point

-3 = -8/5 + b                               <------ Multiply -4/5 and 2

-15/5 = -8/5 + b                          <----- Assign common denominator

-7/5 = b                                      <----- Add 8/5 to both sides

Now that you have the slope and y-intercept, you can construct the equation.

y = (-4/5)x - 7/5

8 0
1 year ago
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