1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lera25 [3.4K]
3 years ago
14

Evaluate: 3x^2 + y when x=1 and y=-3 *

Mathematics
1 answer:
Sliva [168]3 years ago
4 0

Answer:

0

Step-by-step explanation:

x=1 and y=-3

so 3x^2 + y = 3*1^2 + (-3)

= 3* 1 -3

=0

You might be interested in
Ms. Lin’s son likes to lift weights. He was lifting 125 pounds last year. This year he can lift 35 more pounds. How much weight
katrin [286]

Answer:

He can lift 160 pounds

Step-by-step explanation:

125 (from last year) + 35 (more pounds) = 160 (total pounds)

125 + 35 = 160

5 0
3 years ago
WILL MARK BRAINY!!!
Kay [80]
Your answer should be C
3 0
3 years ago
Read 2 more answers
-2(x + 5) = 4, what is x?
svp [43]

Answer:

-7

Step-by-step explanation:

-2 ( x + 5 ) = 4

-2x - 10 = 4

      +10   +10

-2x = 14

divide by -2

x = -7

8 0
3 years ago
Read 2 more answers
Just a quick question:
Vinvika [58]

You need to subtract the rate of decay from 1.

The equation would be 800(1-0.2)^x = 800(0.80)^x

4 0
3 years ago
Divide 2/9 by 2/4. I need this answer asap.
il63 [147K]

Answer:

The answer is 4/9

Step-by-step explanation:

On dividing 2/9 by 2/4, we multiply \frac{2}{9} with the reciprocal of \frac{2}{4}.

= \frac{2}{9} × \frac{4}{2} = 4/9

6 0
3 years ago
Other questions:
  • ________ are ratios that name the same comparison
    13·2 answers
  • for the past 3 months, grace used her cell phone for 43 min, 62 min, and 57 min.how many minutes would she have to use her cel p
    12·1 answer
  • If 7 people each eat 3/8 pound of potato salad, how much potato salad will be eaten in all?
    6·1 answer
  • Arithmetic and geometric
    14·1 answer
  • [!URGENT!] In the figure PQ is parallel to RS. The length of QT is 4 cm; the length of TS is 6 cm; the length of PQ is 10 cm. Wh
    6·1 answer
  • The manager of a snack bar buys bottled water in packs of 35 and candy bars in packs of 20. Then, she sells the items individual
    7·2 answers
  • It costs $20 to enter an amusement park and $0.50 to go on each ride. You have $24. How many rides are you able to go on?
    5·2 answers
  • What is 3/4-5/8?<br> ? Give your answer in its simplest form.
    11·1 answer
  • Please help asap will give lots of points
    9·2 answers
  • A ray and a line intersect to form ∠1 and ∠2 as shown below.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!