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
Oksana_A [137]
3 years ago
12

Evaluate2t²-3u+ 2; t= -5, u=72t² - 3u +2=​

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
6 0

Step-by-step explanation:

2(-5)²-3(7)+2

-50-21+2

-71+2

69

it's substitution

You might be interested in
Sixteen is seven plus three times a number find the number
Mama L [17]

Answer: x=3

Step-by-step explanation:

16 = 7 + 3x

9 = 3x

3 = x

:0

4 0
3 years ago
(7n7 − 4n6 − 14) − (2n7 + 15n6+ 11)
ss7ja [257]

Answer: 5n^2 -19n^2-25

Step-by-step explanation: combine like terms / distribute

7 0
3 years ago
Read 2 more answers
What is the atomic radius of a BCC crystal structure?​
Semenov [28]

Answer:

Iron has a BCC crystal structure, an atomic radius of 0.124 nm, and an atomic weight of 55.85 g/mol.

8 0
3 years ago
Read 2 more answers
Need help ASAP!!
Helen [10]
The answer is D) 11/21

Your welcome
4 0
3 years ago
If the side of a square is 3/4 feet, what is the area of the square
yuradex [85]

\text{Area of square}=~ \text{Side}^2\\\\~~~~~~~~~~~~~~~~~~~~~=\left(\dfrac 34 \right)^2\\\\~~~~~~~~~~~~~~~~~~~~~=\dfrac{9}{16}~ \text{ft}^2

6 0
3 years ago
Read 2 more answers
Other questions:
  • Gerald is constructing a line parallel to line l through point P. He begins by drawing line m through points P and Q. He then dr
    8·1 answer
  • A recipe for one batch of cookies calls for 5 cups of flour and 2 teaspoons of vanilla.
    11·1 answer
  • Solve the equation below for x in terms of a 4(ax+3)-3ax=25+3a
    7·1 answer
  • 1. The $199.99 game console Amy purchased was on sale for 10% off. How
    7·1 answer
  • Find the derivative of e^(lnx)^2
    8·1 answer
  • Can someone put true or false? Please make sure you answer is correct and label them like this:
    7·1 answer
  • Do Now<br> Find the Greatest Common Factor of the two monomials below.<br> 36xy and 42x’y?
    15·1 answer
  • Math Help please <br> ASAp<br> Don't send links (will report u)
    15·1 answer
  • The cone and cylinder below have equal surface area
    10·2 answers
  • Olve the following: (2 points)
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!