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3 years ago

Functions! Help with number 3 please!!!

Mathematics

1 answer:

Norma-Jean [14]3 years ago

3 0

Answer: 20

Step-by-step explanation:

Assuming g(x) = -4x + 1,

( -4 (-4) + 1) - (-4 + 1)

= (16 + 1) - (-3)
= 17 + 3

= 20

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Show me the work on 1686 divided by 3

Ivahew [28]

Divide 1686 by 3 to get 562.

4 0

4 years ago

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Find the value of x that makes each parallelogram the given type (answer both please)

alekssr [168]

Answer:

a. x = 12

b. x = 4

Step-by-step explanation:

a. RECTANGLE

ABCD is a rectangle, AC and BD are its diagonals.

Diagonals of a rectangle are congruent.

Therefore,

AC = BD

10x + 8 = 9x + 20

10x - 9x = 20 - 8

x = 12

b. RHOMBUS

Diagonal of a rectangle bisect opposite angles.

Therefore,

(5x + 3)° = (2x + 15)°

5x + 3 = 2x + 15

5x - 2x = 15 - 3

3x = 12

x = 12/3

x = 4

3 0

3 years ago

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I need help cause uh i’m dumb

ozzi

Answer:

$650

Step-by-step explanation:

9100-4500 = 4550

14-7 7

= 650

=$650

8 0

4 years ago

What is the area of a rectangle with a width of 12 feet and length of 10 inches

kherson [118]

A = L*W = 10 * 12 = 120 square feet.

4 0

4 years ago

A person standing d=145 centimeters from a mirror notices that the angle of depression from his eyes to the bottom of the mirror

Serggg [28]

The length of the mirror is 64.52 cm

Explanation:

Given:

Distance of the person from the mirror = 145cm

Angle of depression = 14°

Angle of elevation = 11°

Vertical dimension of the mirror = ?

For angle of elevation:

$tan(11) = \frac{AB}{BO}\\ \\0.195 = \frac{AB}{145} \\\\AB = 28.275 cm$

For the angle of depression:

$tan(14) = \frac{BC}{BO} \\\\0.25 = \frac{BC}{145} \\\\BC = 36.25 cm$

Total length of the mirror, AC = AB + BC

= 28.275 + 36.25cm

= 64.52 cm

Therefore, the length of the mirror is 64.52 cm

7 0

3 years ago