Isolate x in 2nd equation...
-x - 2y = -10 ....add 2y to both sides
-x = 2y - 10 ...multiply by -1 to make x positive
x = -2y + 10 <== u would sub in -2y + 10 in for x in the 1st equation
Answer:
English
Step-by-step explanation:
can you speak English plzzz
we need that
Answer: 20
Step-by-step explanation:
Assuming your question is:
Z² - X² - XY X = -2, Y = 3, Z = -4
Substitute values
(-4)² - (-2)² - {(-2)(3)}
{(-4)(-4)} - {(-2)(-2)} - (-6)
(16) - (4) + 6
16 - 4 + 6
20
At least one right angle:
A + C + E
At least 2 sides of equal length:
B + C + E
At least one pair of parallel sides:
A + B + E
Answer:
4/13 cups per person
Step - by - step explanation:
Write the given rate as a fraction in simplest form. 12 cups for every 39 people
O 39/12 cups per person
O 13/4 cups per person
0 4/13 cups per person
O 12/39 cups per person
There are 39 people
12 cups are available
Determine the number of cups per person
Cups per person = 12 cups / 39 people
= 12/39 cups per person
Divide both numerator and denominator by 3
= 4/13 cups per person
Cups per person as a fraction in simplest form = 4/13 cups per person