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
tatyana61 [14]
3 years ago
12

Plss help i beg you!​

Mathematics
1 answer:
frosja888 [35]3 years ago
7 0

Answer:

  • 51

Step-by-step explanation:

<u>Given expression:</u>

  • 3(x + y) +2x² + (1 + y)²

<u>Find its value when x = 4 and y = 1, substitute:</u>

  • 3(4 + 1) + 2*4² + (1 + 1)² =
  • 3*5 + 2*16 + 2² =
  • 15 + 32 + 4 =
  • 51
You might be interested in
Si la hipotenusa y un cateto de un triángulo rectángulo miden 14 m y 7 m, ¿cuánto medirá el área de otro
Reika [66]

<span>Los minerales se consideran gemas si son raros , clara y brillante.
</span>

8 0
3 years ago
a company owns two dealerships, both of which sell cars and trucks. the first dealership sells a total of 164 cars and trucks. t
OLEGan [10]

Answer:

294 cars.

Step-by-step explanation:

Let x be the number of cars and y be the number of trucks.

We have been given that the first dealership sells a total of 164 cars and trucks. We can represent this information as:

x+y=164...(1)

The second dealership sells twice as many cars and half as many trucks as the first dealership. So the number of cars sold by 2nd dealership will be 2x and number of trucks sold by 2nd dealership will be y/2.

Further, the 2nd dealership sold a total of 229 cars and trucks. We can represent this information as:

2x+\frac{y}{2}=229...(2)

We can see that total number of cars sold on two dealerships will be x+2x=3x.

We will use substitution method to solve for x. From equation (1) we will get,

y=164-x

Substituting this value in equation (2) we will get,

2x+\frac{164-x}{2}=229

Now let us have a common denominator.

\frac{4x}{2}+\frac{164-x}{2}=229

\frac{4x+164-x}{2}=229

Upon multiplying both sides of our equation by 2 we will get,

2\times \frac{4x+164-x}{2}=2\times 229

4x+164-x=458

4x+164-164-x=458-164

4x-x=458-164

3x=294

Therefore, the total number of cars sold by two dealerships is 294.

7 0
3 years ago
MARKING BRAINLIEST HELP
Alenkinab [10]

Answer:

C,

Step-by-step explanation:

:)

7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=16x%20-%20%288x%20%20%2B%206%29%20%3D90" id="TexFormula1" title="16x - (8x + 6) =90" alt="16x
Lina20 [59]

Answer:

x=12

Step-by-step explanation:

16x - (8x  + 6) =90

The first step is to distribute the - sign

16x -8x -6 =90

Now we combine the like terms

8x-6 = 90

Add 6 to each side

8x-6+6 = 90+6

8x = 96

Divide each side by 8

8x/8 = 96/8

x =12

8 0
3 years ago
35 points please answer pls pls pls
Sati [7]

Step-by-step explanation:

28. a=422000 (1+12%)^8

=1044856.46

29 a=13000 (1+15%)^-5

=6463.29

30 a=1250 (1+8%)^11

=2914.548

using compound interest formula

5 0
3 years ago
Other questions:
  • What is -1/8 times 16 2/3?.
    10·1 answer
  • Whatwould u times by 9 to get 99?
    15·1 answer
  • -0.75 is it rational or irrational
    8·2 answers
  • PLEASE HELP 3x - (2x - 17)-2/3 (12x – 9)
    14·1 answer
  • What is the bases, height, perimeter, and the area from the trapezoid​?<br><br>please help me
    14·1 answer
  • In the diagram below Bd is parallel to XY . what is the value of x
    6·2 answers
  • Please help no du mb answers
    14·1 answer
  • A piece of machinery depreciates $5000 the first year,
    9·1 answer
  • ITS AN EMERGENCY PLEASE HELPP MEEEE !!!!
    8·1 answer
  • I do not know how to do this​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!