toastee357 toastee357

19-06-2021
Mathematics

contestada

If 4p + 3q + 2r = 3 and -4p - 2q - 2r = 4, then q = ?

(A) 0
(B) 2
(C) 3
(D) 4
(E) 7

Respuesta :

Leora03 Leora03

19-06-2021

Answer:

E

Step-by-step explanation:

Label the two equations:

4p +3q +2r= 3 -----(1)

-4p -2q -2r= 4 -----(2)

(1) +(2):

4p +3q +2r -4p -2q -2r= 3 +4

Grouping like terms together:

4p -4p +3q -2q +2r -2r= 7

Simplify:

q= 7

Answer Link

Otras preguntas

1-37. Examine the tile pattern shown. Figure 1 Figure 2 a. On graph paper, draw Figure 0 and Figure 4. b. How many tiles will Figure 10 have? How do you know? F

NEED HELPPA ball is rolled horizontally off the top of a table. After 3 seconds the ball lands on the ground with a final velocity of −3.5 m/s. Which kinematic

a composition about I thought he was dead little did I know

3 checks for $500 and 2 bills for $2000 with $5000 what is the ending balance

the multiplicative property of-1 1/4

Do you agree or disagree with the statement, "If you mess up, it's not your parents fault, so don't whine about your mistakes, learn from them? What would be th

v,j,j,hjhyiuy8y8u0i0ip

5. Which tool would be the best choice for finding the volume of the blocs by displacement? a. Balance b. Erlenmeyer Flask c. Graduated Cylinder d. Spring Scale

a half meter ruler is pivoted at its midpoint and balances whaen a weight of 20N is placed at the 10 cm mark and a weight W is placed at the 45 cm mark on the r

Select the correctly punctuated sentence. Artists often dedicate long hours, to the pursuit of their vocation, therefore, they may without thinking about it st