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oee [108]
2 years ago
14

Set up the proportion and solve for x. Show ALL work and box your answer

Mathematics
1 answer:
KiRa [710]2 years ago
4 0

Answer:

x = 6

Step-by-step explanation:

Love proportions!

3x+2(x+6) = 35(21)

21(3x+2) = 35(x+6)

63x + 42 = 35x + 210

28x = 168

x = 6

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Find the equation of a line passing through the point (6,−5) and parallel to the line y = 7x + 1. answers : y = 7x − 47 y = −17x
Elan Coil [88]

Answer:

<h2>y = 7x-47</h2>

Step-by-step explanation:

y = 7x + 1.\\(6,-5)\\m= 7\\x1= 6\\y1 = -5\\y-y1=m(x-x1)\\y-(-5) = 7(x-6)\\y+5=7x-42\\y=7x-42-5\\y = 7x-47

3 0
3 years ago
If a polynomial function has n degree, then it can have at most (n - 1) ____________ in the graph.
tatiyna

9514 1404 393

Answer:

  turning points

Step-by-step explanation:

The number of turning points is the number of real zeros in the derivative polynomial. As you know, the number of real zeros of a polynomial is at most the polynomial degree.

The degree of the derivative is always 1 less than the degree of the polynomial. So, a polynomial of degree n will have at most (n-1) <em>turning points</em>.

8 0
3 years ago
The figure below shows a rectangle ABCD having diagonals AC and DB: A rectangle ABCD is shown with diagonals AC and BD. Anastasi
erica [24]

Answer:In triangle ADC and BCD, AD = BC (opposite sides of a rectangle are congruent)


Step-by-step explanation:

As congruent means shapes having the same length and same internal angles.  In the given figure the two statements are already written. The only information about sides AD and BC are missing to complete the proof of congruent diagonals.


7 0
2 years ago
write an equation to find the amount of simple interest, earned on a 600 dollar investment after 9 months, of the interest rate
tatuchka [14]

Equation:
A = P(1 + rt)
How to do it:
First, converting R percent to r a decimal
r = R/100 = 2.5%/100 = 0.025 per year,
putting time into years for simplicity,
9 months ÷ 12 months/year = 0.75 years,
then, solving our equation
A = 600(1 + (0.025 × 0.75)) = ___
What is it?
3 0
2 years ago
Sales in Tiffin ties declined from 420 in last year to 360. What percentage drop is that
drek231 [11]

Answer:

  • 14.29%

Step-by-step explanation:

<h3>Given</h3>
  • Initial sales = 420
  • Later sales = 360
<h3>Solution</h3>

<u>Drop in sales </u>

  • 420 - 360 = 60

<u>Percentage drop </u>

  • 60/420*100% = 14.29%
5 0
3 years ago
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