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Phoenix [80]
3 years ago
13

Somebody plz help on this real quick

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
6 0
★ Logarithmic Reductions ★

3 + 4 {e}^{x + 1}  = 11 \\ 4 {e}^{x + 1}  = 11 - 3 \\ 4 {e}^{x + 1}  = 8 \\  {e}^{x + 1}  = 2 \\ applying \:  log_{e} \: to \: both \: the \: sides \\x + 1 = ln2 \\ x = ln2 \:  - 1


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What is an equation of a parabola with vertex at the origin and focus (0, 7)
MakcuM [25]
<h3>Answer: B)  y = (1/28)x^2</h3>

Explanation:

p = focal distance = 7

the focal distance is from the vertex to the focus

The parabola opens upward (since the vertex is below the focus) so 'a' is positive and a = 1/(4p) = 1/(4*7) = 1/28

The vertex is (h,k) = (0,0)

Put this all together into the formula below and simplify

y = a(x-h)^2 + k

y = (1/28)(x - 0)^2 + 0

y = (1/28)x^2

8 0
4 years ago
¿Cuál es el área de un rectángulo que mide 1/2 cm de base y 3/8 cm de altura ?
ch4aika [34]

Answer:

3/16

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
PLEASE ANSWERERRREEERRR
Vladimir79 [104]

the operation:

2*10^1 - 4*10^0 = 20 - 4 = 16

Gives a square number.

<h3>How to get a perfect square?</h3>

A perfect square is the product of a number and itself.

As you can see in the example, 16 is a square number. Then let's try to get 16.

To get 16 we can use the difference:

20 - 4

So the first therm needs to be equal to 20, and the second equal to 4.

To write 20 in scientific notation we have:

2*10^1

To write 4 in in scientific notation:

4*10^0

Then the operation:

2*10^1 - 4*10^0 = 20 - 4 = 16

Gives a square number.

If you want to learn more about square numbers:

brainly.com/question/21694652

#SPJ1

5 0
2 years ago
What is the value of 4² - 2(3·5+1)? plz help, will mark brainliest A. 8 B. 1 C. -16 D. -21
Molodets [167]

Answer:

Hey there!

4^2-2(3(5)+1)

16-2(15+1)

16-2(16)

-16

C is correct.

Let me know if this helps :)

3 0
3 years ago
Read 2 more answers
In ATUV, TV is extended through point V to point W,
Anuta_ua [19.1K]

Answer:

m∠UVW = 53°

Step-by-step explanation:

From the picture attached,

m(∠VTU) = (x - 2)°

m(∠TUV) = (2x + 11)°

m(∠UVW) = (6x - 15)°

Since, ∠UVW is the exterior angle of the ΔTUV,

By the triangle sum theorem,

m∠VTU + m(∠TUV) + m(∠UVW) = 180°

(x - 2)° + (2x + 11)° + (6x - 15)° = 180°

9x - 6 = 180

9x = 186

x = \frac{186}{9}

x = \frac{62}{3}

By the property of exterior angle of a triangle,

m(∠UVW) = m(∠VTU) + m(TUV)

                = (x - 2) + (2x + 11)

                = 3x - 9

Now by substituting the value of x,

(3x - 9)° = 3(\frac{62}{3})-9

           = 62 - 9

           = 53°

Therefore, m∠UVW = 53°

6 0
3 years ago
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