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marysya [2.9K]
3 years ago
13

What is the degree of the polynomial below? 7x6 +6x2 + 4x + 2

Mathematics
1 answer:
horsena [70]3 years ago
4 0

Answer:

7x6+6x2+4x+2

i am not sure if it is rite but there are no like terms

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A manufacturing company produces engines for light aircraft . The graph shows the number of engine produced each year since the
photoshop1234 [79]

Answer:

y=13x+32

149 engines in 9th year

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

Please have a look at the attached photo.  

My answer:

From a look at the photo and the data plot can be represented by the function, so we can pick 2 points in our given graph

  • (x1, y1) = (2,60)
  • (x2, y2) = (5,99)

The standard form of a linear equation is:

y = mx + b where:

  • m is the slope
  • b is the y-intercept

We know the slope of the function can be found as following:

m = \frac{y2 - y1}{x2 - x1}  so in this situation we have:

<=> m=\frac{99-60}{5-2}=\frac{39}{3}=13

=> y = 13x + b (1)

Because the line goes through point  (2,60) so we substitute it into (1):

60 = 13*2 + b

<=> b = 60 - 26 = 34

=> y = 13x + 34

Now we will substitute x=9 to find the engines produced by company in 9th year as:

y=13(9)+32\\y=117+32=149

Hence, the company will produce 149 engines in 9th year

6 0
3 years ago
3/4 ÷ 2 5/6 = how do I solve this problem
Tamiku [17]

Answer:

9/34

Step-by-step explanation:

3/4 times 2 5/6

3/4 times 17/6

switch the denominator and numerator then, multiply.

7 0
3 years ago
The volume of a prism is 45 km3. What would change if the volume of the prism were measured in cubic meters?
ZanzabumX [31]
Hello!

There are 1000 meters in a kilometer

Multiply 45km by 1000

45 * 1000 = 45000 cubic meters

The answer is 45,000 cubic meters

Hope this helps!
7 0
3 years ago
y = 2x squared + 5x -3 can be written in the form y= 2( x+a) squared + b . Find the value of a and the value of b.
Elan Coil [88]

General vertex form:

y = m(x − a)² + b  \: with  \: vertex \:  at \:  (a, b)

Given :

y = 2x² + 5x  - 3

Extract "spread factor" m

y = 2( x² +  \frac{5}{2} x) - 3

Complete the square

y = 2(x²  +  \frac{5}{2}x + ( \frac{5}{4})²) - 3

- 2( \frac{5}{4})²

Write as a squared binomial and simplify the constant

y = 2(x +  \frac{5}{4})² - 6 \frac{1}{8}

Re-write to match signs of standard general form:

y = 2(x - ( -  \frac{5}{4}))² \:  + ( - 6 \frac{1}{8})

3 0
2 years ago
Y = 2x + 7<br> a) Work out the value of y when x=4<br> b) Work out the value of y when x=-3
creativ13 [48]
A ) y = 2(3) + 7
y = 15

b ) y = 2(-3) + 7
y = 1
6 0
2 years ago
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