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Ivanshal [37]
2 years ago
15

Please answer correctly !!!!!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
aalyn [17]2 years ago
8 0
<h3>Answer:  VT = 8</h3>

==========================================

Work Shown:

V is the midpoint of RT, so RV = VT

RV = 2x+4

VT = RV = 2x+4

RV+VT = RT ... by the segment addition postulate

RV+RV = RT ... replace VT with RV

2*(RV) = RT

2*(2x+4) = 8x .... plug in the given expressions

4x+8 = 8x

8 = 8x-4x

8 = 4x

4x = 8

x = 8/4

x = 2

Which means,

RV = 2x+4 = 2*2+4 = 8

VT = RV = 8

RT = 8x = 8*2 = 16

Note how

RV+VT = 8+8 = 16

which matches with the length of RT to help confirm our answer.

Ira Lisetskai [31]2 years ago
5 0

Answer:

\boxed{line \: vt \:  = 8.}

Step-by-step explanation:

if \:  \boxed{ line\: rt} = \boxed{ line\: rv}  + \boxed{ line\: vt}  = 8x \\ then \: \boxed{ line\: rv}  = \boxed{ line\: rt}  = 2x + 4 \\ hence \to \\ 2(2x + 4) = 8x \\ 4x + 8 = 8x \\ 4x = 8 \\  \boxed{x = 2} \\  \\ if \: x = 2  :then \:  \\ 2x + 4 = 2(2) + 4 = 8. \\ therefore \: \boxed{ line\: vt = 8.}

♨Rage♨

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K is the midpoint of a line segment JL. If JK= 6x + 7 and KL = 9x-2, find the length of JL
Korvikt [17]

Answer:

x = 3

Step-by-step explanation:

6x + 7 = 9x - 2

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3 0
2 years ago
I don’t understand. and someone please help?
givi [52]

Solution:

<u>Note that:</u>

  • 6x + 26 = 92 (Vertically opposite angle)
  • 92 + 92 + z + z = 360

<u>Finding x.</u>

  • 6x + 26 = 92
  • => 6x = 92 - 26
  • => 6x = 66
  • => x = 11

<u>Finding z.</u>

  • 92 + 92 + z + z = 360
  • => 184 + 2z = 360
  • => 2z = 360 - 184
  • => 2z = 176
  • => z = 176/2 = 88
3 0
2 years ago
The function y = x * ln(x + e) has two distinct x intercepts. One is at x = a and the other is at x = b. The value of a + b is
Snezhnost [94]
As points, x-intercepts take the form (x,0), so to find the intercepts we can set y=0 and solve for x.

x\ln(x+e)=0\implies\begin{cases}x=0\\\ln(x+e)=0\end{cases}

From the first equation alone, we already know that x=0 is a solution, which means one intercept is (0,0).

The second equation gives

\ln(x+e)=0\implies e^{\ln(x+e)}=e^0\implies x+e=1\implies x=1-e

so that the second intercept occurs at (1-e,0).

So if a=0 and b=1-e, we have a+b=1-e, giving C as the answer.
3 0
3 years ago
Angelina factored (x - 4^8 ) and wrote that it was equal to (x^2 - 4^2)^2(x^2 + 4^2). Use complete sentences to explain how you
nikitadnepr [17]
Given is <span>(x - 4⁸)

</span>Her factors are <span>(x² - 4²)² (x² + 4²)

</span>Let us prove whether her solution is correct or not.
<span>
(x² - 4²)² (x² + 4²)</span>
(x⁴ - 4⁴) (x² + 4²) ; Follow PEMDAS rule as well as exponential multiplication rule which tells that when exponents are multiplied, the exponents will be added.

By using FOIL(First, Outside, Inside, Last) Method, we can prove if Angelina's solution is correct. NOTE: Do not disregard the positive or negative.

(<u>x⁴</u> - 4⁴) (<u>x²</u> + 4²) ; For the First, multiply the first terms. They are underlined.
This gives you a partial answer: x⁶ (Exponential Law of Multiplication is applied)

(<u>x⁴</u> - 4⁴) (x² <u>+ 4²</u>) ; For the Outside, multiply the outside terms. They are underlined. This gives you an additional to the partial answer: x⁶ + 4²x⁴

<span>(x⁴ <u>- 4⁴</u>) (<u>x²</u> + 4²) ; For the Inside, multiply the inside terms. They are underlined. This gives you an additional to the partial answer: </span>x⁶ + 4²x⁴ - 4⁴x²

(x⁴ <u>- 4⁴</u>) (x² <u>+ 4²</u>) ; For the Last, multiply the last terms. They are underlined. This will give you an additional to the final answer: x⁶ + 4²x⁴ - 4⁴x² - 16⁶ = 0

Final Answer in complete sentence:
The result of multiplying the factors is x⁶ + 4²x⁴ - 4⁴x² - 16⁶ = 0 and is too far compared to (x - 4⁸) which is already a factor.
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Fynjy0 [20]
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90 - 37 = 53

Hope this helps! :)<span />
4 0
3 years ago
Read 2 more answers
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