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Hoochie [10]
2 years ago
11

. Four times the sum of 3 and a number is 16. Find the number. PLEASE A I NEED IT

Mathematics
1 answer:
Vedmedyk [2.9K]2 years ago
3 0

Answer:

x=1

Step-by-step explanation:

it is

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. $7.45 + ‐$24.45 + $74.17 + ‐$76.52
lisov135 [29]

Answer:

$-19.35 or -19.35 aprox

Step-by-step explanation:

8 0
3 years ago
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A rectangle has a height of 2 + 9 and a width of x2 + 2x.
Dafna1 [17]

Answer: 40

Step-by-step explanation:

8 0
3 years ago
X+y=1212<br> x-y=518 <br> please help me with it
Murljashka [212]

Here,

  • x+y=1212••••••\bold{equation~I  } 
  • x-y=518••••••\bold{equation~II   } 

ADDITIONALL,both two equation.

we get that,

  • x+y+x-y=1212+518
  • 2x=1730
  • x=865

so,

  • x-y=518
  • 865-y=518
  • y=860-518
  • y=347
5 0
3 years ago
Inverse Functions Help Algebra 2
Kaylis [27]

The composition of the functions is is applying one function to the results of another. Then (g\circ  f)(x)=g(f(x)).

If f(x)=\dfrac{1}{x}, then

g(f(x))=g\left(\dfrac{1}{x}\right).

If g(x)=\dfrac{1}{x}, then

g(f(x))=g\left(\dfrac{1}{x}\right)=\dfrac{1}{\frac{1}{x}}=x.

Answer: (g\circ f)(x)=x.

8 0
3 years ago
can anyone help on these two questions show your work and explain please ​5. the table below shows the temperature T(m) of a cup
andreyandreev [35.5K]

Answer:

(1), (3)

Step-by-step explanation:

5.  If m starts at 1, a geometric series has the form a₁ (r)ᵐ⁻¹.

If m starts at 0, a geometric series has the form a₀ (r)ᵐ.

Here, m starts at 0.  The first term, a₀, is 150.  The temperature is decreasing, so we're looking for an r < 1.  Therefore, the answer must be (1) 150 (0.85)ᵐ.

7.  A quadratic written in vertex form is:

y = a(x - h)² + k

We can find the vertex of the parabola using x = -b/(2a).

x = -12 / (2*3)

x = -2

f(-2) = 3(-2)² + 12(-2) + 11

f(-2) = -1

So the vertex (h, k) is at (-2, -1).

Therefore, the answer must be f(x) = 3(x + 2)² - 1

We can also show this by completing the square.

f(x) = 3x² + 12x + 11

f(x) = 3(x² + 4x) + 11

f(x) = 3(x² + 4x + 4) - 3(4) + 11

f(x) = 3(x + 2)² - 1

8 0
3 years ago
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