Answer:
-124
Step-by-step explanation:
The equation for a discriminant is:

So for

a = 7 b = - 4 c = 5
Plug values into the equation.

16 - 140 = -124
Answer:
315 beads
Step-by-step explanation:
The question above is calculated as:
25 necklaces = 375 beads
21 necklaces = x beads
Cross Multiply
25x = 21 × 375
x = 21 × 375/25
x = 7875 / 25
x = 315 beads
Hence, Jared used 315 beads to make 21 necklaces yesterday
Normally you would give the answer in the units given
UNLESS OTHERWISE STATED
so normally it would be inches (unless the quesiton asks to convert to centimeters)
square inches is for area, we are solving for perimiter
answer is inches
Answer:
570cm squared
Step-by-step explanation:
Multiply 38 by 15.
Step-by-step explanation:
Ans: b<3. I hope this helps.