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astraxan [27]
3 years ago
9

What percent of 180.4 minutes is 25.7 minutes?

Mathematics
2 answers:
aleksley [76]3 years ago
5 0
X = 25.7 min

100 180.4 min

x(180.4)=25.7 (100)

180.4x=2570

180.4x/180.4=2570/180.4

x=14.25%
jeyben [28]3 years ago
3 0
To put it simply it is 14.25 percent
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Which terms complete the factorization of x2+27x+162 represented by the model?
Anarel [89]

Answer:

9, 9x, 18x

Step-by-step explanation:

Hence the B. I hope this helps love!

4 0
2 years ago
Help please. solve for x and y.
ohaa [14]
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Now you know that the triangles are congruent, you can set up a proportion for the side lengths you are looking for.
For x...

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For y...

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4 0
3 years ago
PLEASE ANSWER + BRAINLIEST!!!!
astra-53 [7]

Answer:

Y= 3.2b + 100

Step-by-step explanation:

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8 0
3 years ago
If x+a is a factor of 2x²+2ax+5x+10,find a.
vazorg [7]

If x+a is a factor of the polynomial, it means that -a is a root of the polynomial.

In fact, if a polynomial p(x) has a root x_0 (i.e. p(x_0)=0), then the polynomial is divisible by (x-x_0)

In your case, you know that the polynomial is divisible by (x+a)=(x-(-a)), so -a is a solution.

Let's evaluate p(-a) and set it to zero:

2(-a)^2+2a(-a)+5(-a)+10 = 0 \iff 2a^2-2a^2-5a+10=0 \iff -5a+10 = 0 \iff a = 2

We can check the answer: if a=2 the polynomial becomes

2x^2+2(2)x+5x+10 = 2x^2+9x+10

And we're claiming that -a=-2 is a root of this polynomial:

2(-2)^2+9(-2)+10 = 2\cdot 4 - 18 + 10 = 0

5 0
3 years ago
Rewrite 1 / 6 barrels over 2 over 5 hours as a unit rate
Akimi4 [234]

Answer:

5/12 barrel/hour

Step-by-step explanation:

 Type this as a fraction:

  (1/6) barrel

--------------------

  (2/5) hours

Division by 2/5 is equivalent to multiplication by 5/2:

1                5

--- barrel * -------------- = 5/12 barrel/hour

6                2  hours

Alternatively, this problem could be done using decimal fractions:

0.1667 barrel

-------------------- = 0.416666 barrel/hour  =  5/12 barrel/hour

0.4 hours

5 0
3 years ago
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