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
Alexus [3.1K]
2 years ago
10

Please help! 3x^2 + 1/2 x 7y (When y = 3)

Mathematics
2 answers:
Sholpan [36]2 years ago
7 0
Factoring the equation:

3x^2 + 1/2 x 7(3)

3x^2 + 1/2 x 21

3 (x^2 + 1/2 x 21)

3 (x^2 + 7/2)

3 x 1/2 (2x^2 +7)

3/2 (2x^2 + 7)
mafiozo [28]2 years ago
4 0

Answer:

3x^2+21/2

Step-by-step explanation:

3x^2+1/2*7(3)

(a)=a so (3)=3

3x^2+1/2*7*3

1/2*7*3=21/2

3x^2+21/2

Hope this helps! Pls give brainliest!

You might be interested in
-x=2-3x+3<br> Help me solve this
harina [27]
I got the answer x=5/2
6 0
3 years ago
Read 2 more answers
If you bought a stock last year for a price of $68, and it has gone down 6.5% since then how much is the stock worth now, to the
trapecia [35]

Answer:

Step-by-step explanation:

10.4615384615

7 0
3 years ago
A company that manufactures cars for freight trains manufactured 393 cars in the month of​ August, out of which 168 were boxcars
mr Goodwill [35]
393/393 - 168/393 = 225/393

Simplify 225/393 by 3 because that is is the fractions GCF

75/131

4 0
3 years ago
8 15 27 blank 20 find the blank number​
777dan777 [17]

Answer:

the blank number is 23

Step-by-step explanation:

8, 15, 27, x, 20

common ratio, r= T2÷ T1= T3÷ T2

= 15 ÷ 8 =27÷ 15

= 1.8 = 1.8

20 ÷ x = x ÷ 27

( cross multiply,)

x²= 540

x =√540

x = 23.24

x = 23

6 0
3 years ago
Answer correctly please for brainliest
inn [45]

Answer:

30 miles 90 miles

----------------- = -----------------------

1.5 hours 4 hours

the dashes between the number represents me making a fraction lol.

3 0
3 years ago
Other questions:
  • If f(x)=4^x-8 and g(x)=5x+6 find (f+g)(x)???
    11·1 answer
  • Ratio for 1/8 times 8 equals
    8·2 answers
  • The slope of the line 5x – y = 12 is
    12·1 answer
  • Pamela makes cloth dolls, which she sells to friends and relatives. her total inventory includes over 200 yards of fabric, 100 y
    7·1 answer
  • Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-response question.
    8·2 answers
  • Colin surveyed 12 teachers at school to determine how much each person budgets for lunch. He records his results in the table. W
    7·2 answers
  • What is the equation of the circle?
    13·1 answer
  • Please help we’ve been stuck in this for a while
    9·1 answer
  • Find the area of the shape shown below.<br> 4<br> 2<br> 2<br> 1<br> units
    11·2 answers
  • maya wants to burs 600 calories, so far, she burned 584.3 calories. how many more calories must maya burn
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!