2 years ago

7j+5-8k when j =0.5 and k =0.25

1 answer:

7 0

Evaluate is just a fancy term for solve.
So to start you’ll want to substitute in the values that you are given and the just solve the sum.
I really hope this was helpful.

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Find the measure of angle C in the triangle below. (The figure is not drawn to scale.)

alisha [4.7K]

2x+4x-4=80
6x-4=80
6x=84
84/6=14
Angle c = 4 x 14= 56 - 4 = 52

Hope this helps.

6 0

2 years ago

What is the volume of a rectangular pyramid with a height of 5.2 meters and a base 8 meters by 4.5 meters

dezoksy [38]

Answer:

62.4

Step-by-step explanation:

1/3*5.2*4.5*8=62.4

7 0

2 years ago

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What is the distance between the points (−7, 1) and (−7, −5) on the coordinate plane?

4vir4ik [10]

Answer:

$\displaystyle d = 6$

General Formulas and Concepts:
Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinate Planes

Coordinates (x, y)

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

Step-by-step explanation:

Step 1: Define

Identify.

Point (-7, 1)

Point (-7, -5)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d.

Substitute in points [Distance Formula]: $\displaystyle d = \sqrt{(-7 - -7)^2 + (-5 - 1)^2}$
[Order of Operations] Evaluate: $\displaystyle d = 6$

6 0

2 years ago

Subtract. 4x2-5x+1 - (2x2+9x-6)

Vinvika [58]

Answer:

4x^2 -5x + 1 - 2x^2 - 9x + 6

2x^2 - 14x + 7

Step-by-step explanation:

8 0

3 years ago

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HELP FOR BRAQINLIETS T

Tcecarenko [31]

Answer:

A -3- $\sqrt{5\\} \\$

Step-by-step explanation:

I use the quadratic formula to solve

3 0

3 years ago

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