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AURORKA [14]
3 years ago
9

What is the ratio of 3 to 9

Mathematics
1 answer:
son4ous [18]3 years ago
8 0

Answer:

the ratio of 3 to 9 is 1/3

Step-by-step explanation:

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  5x + 11 = – 45 x + 11 = 2 - 4 ​
ANEK [815]

-45x-5x=11-11=2-4

Step-by-step explanation:

-50x = -2

-50/-2 = x

25=x

x=25

7 0
2 years ago
Read 2 more answers
Given the equation, C = P + (P)(T), what is the final cost of a cell phone priced at $20.00 with a tax rate of 5%?
sergij07 [2.7K]

Answer: Answer is $21

Step-by-step explanation:

Using the equation C = P + (P)(T)

where P= $20

T= 5%; 5/100 = 0.05

Substitute the figures in the equation,

$20 + $20 (0.05)

Apply BODMAS and open bracket first

$20 + $1

= $21

6 0
3 years ago
A rectangle has a height of 2y^3+5 and a width of y^3+6y.
vova2212 [387]

Answer:

in polynomial form

Step-by-step explanation:

if you have any question then reply me

4 0
3 years ago
Read 2 more answers
Evaluate -5x^2 − 8x + 1 when x = -3.
Yakvenalex [24]

Hello.

Answer: 70

New equation: −5(−3^2)−(8)(−3)+1


How to get the answer:

(−5)(−9)−(8)(−3)+1

=45−(8)(−3)+1

=45−(−24)+1

=69+1

=70


Have  a nice day

7 0
3 years ago
flvs hope If $x^2+bx+16$ has at least one real root, find all possible values of $b$. Express your answer in interval notation.
Galina-37 [17]
If x^2+bx+16 has at least one real root, then the equation x^2+bx+16=0 has at least one solution. The discriminant of a quadratic equation is b^2-4ac and it determines the nature of the roots. If the discriminant is zero, there is exactly one distinct real root. If the discriminant is positive, there are exactly two roots. The discriminant of <span>x^2+bx+16=0 is b^2-4(1)(16). The inequality here gives the values of b where the discriminant will be positive or zero:
                                           b^2-4(1)(16) ≥ 0
                                                  </span><span>b^2-64 ≥ 0
                                             (b+8)(b-8) </span><span>≥ 0
The answer is that all possible values of b are in the interval (-inf, -8]∪[8,inf) because those are the intervals where </span>(b+8)(b-8) is positive.
5 0
3 years ago
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