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Airida [17]
3 years ago
15

Rewrite the equation y - 31x = 93 as a function of x.

Mathematics
2 answers:
Nastasia [14]3 years ago
3 0
B is the right answer
swat323 years ago
3 0

Answer:

Step-by-step explanation:

B. g(x) = 31x + 93

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What are the roots of the function?<br> f(x) =x^2 + 2x – 80
Andrej [43]

Answer:

x^2+2x-8= x^2+10x-8x-80 =x(x+10)-8(x+10)

=( x-8) (x+10)

therefore x= 8 or x=-10

7 0
2 years ago
the sides of a rectangle are in the ratio 5:7 and the perimeter of the rectangle is 96cm. What is the area of the rectangle?
dlinn [17]
Width = 5x
length = 7x

Perimeter = 10x + 14x = 24x = 96cm
x = 96/24 = 4cm

width = 5x = 20cm
length = 7x = 28cm

Area = (20cm x 28cm) = 560 cm²
6 0
3 years ago
solve this word problem leading to quadratic equation: the area of a rectangle is 60cm². The length is 11cm more than the width.
morpeh [17]

Answer:

Step-by-step explanation:

let : x The length and y the width you have this system :

xy =60....(1)

x = y+10...(2)

put the value for x in (1):  (y+10)y =60

the quadratic equation is : y² +10y - 60 = 0

Δ =b² - 4ac        a = 1        b= 10      c= - 60

Δ =10² - 4(1)(-60) = 324 =18²

y 1 = (-10-18)/2 negatif...... refused

y 2 = (-10+18)/2 =4

the width is 4

8 0
3 years ago
If Hanna extends the pattern in the highlighted rows to include a ratio that has a first term of 20, what would be the second te
podryga [215]

Answer:

why do i see these so late

Step-by-step explanation:

5 0
3 years ago
????????????????????????????
katrin2010 [14]

Answer: See below.

Step-by-step explanation:

Let's go number by number.

Rational pretty much means you can put it into a fraction of whole numbers.

The first number is -81,572.

  • This number is <u>rational</u> because it can be put into a fraction (\frac{-81572}{1}) that is made up of whole numbers.

The second number is \sqrt{11}.

  • This number is <u>irrational</u> because it cannot be put into a fraction of whole numbers.
  • Keep in mind that most squareroots are irrational. Especially those that don't equal a whole number.

The third number is 5.636336333

  • There is a pattern so the number is <u>rational</u>.
  • Usually a pattrn means it can be put into a fraction.

The fourth number is \sqrt{16}. This equals 4 if you solve it out.

  • Since we just get 4, that certainly can be put into a fraction of whole numbers, so this is <u>rational.</u>
5 0
4 years ago
Read 2 more answers
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