Ask Question
MathematicsMathematics
10 May, 07:15

Find the value of the expression: - 0.5 (7b-12a) - (8.4a-14b) if a=-10; b=-6.

+1
Answers (1)
  1. 10 May, 10:38
    0
    Replace a and b in the equation with their values given:

    -0.5 (7 (-6) - 12 (-10) - (8.4 (-10) - 14 (-6))

    Multiply within the parentheses

    -0.5 (-42 + 120) - (-84 + 84)

    Add inside the parenthesis:

    -0.5 (78) - 0

    Multiply:

    -.05 x 78 = - 39

    The answer is - 39
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Find the value of the expression: - 0.5 (7b-12a) - (8.4a-14b) if a=-10; b=-6. ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
What type of number is 64? Choose all answers that apply: Whole number Integer Rational Irrational
Answers (2)
On January 1, 1980 a city had 100.000 people. During the year 1.000 people died, 2.000 babies were born, 3,000 people moved out, and 10,000 moved in. How many people were in the city by the end of 1980?
Answers (1)
A square playground has an area of 175 m2. What is the approximate length of each side of the playground? Round your answer to the nearest meter
Answers (1)
A company logo is made up of a square and three identical triangles. What is the area of the logo?
Answers (1)
A triangle with base of 1/2m has an area of 12m^2. what is the height, in m, of the triangle?
Answers (1)
New Questions in Mathematics
Darcy deposited $390 into a savings account. As long as the account balance remains at or above $150, she does not have to pay a service fee for the account.
Answers (1)
Which of the following has zero acceleration? A. Person running 100m straight across a field at a constant speed B. A satellite orbiting at a constant speed C. A person running once around a track at a constant speed D.
Answers (1)
A city pool sells full-day and half-day passes during the summer. The goal is to make $1000 each day from pool pass sales. The graph shows the number of full-day and half-day passes they need to sell to make $1000.
Answers (1)
Express - 0.4 as a fraction in simple form
Answers (1)
The triangles are similar. What is the value of x? Enter your answer in the box. x = two right triangles. the larger triangle has a long leg of 96 units, short leg of 28 units, and the hypotenuse is labeled 6 x plus 28.
Answers (1)
Home » Mathematics » Find the value of the expression: - 0.5 (7b-12a) - (8.4a-14b) if a=-10; b=-6.
Sign Up Forgot Password?