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ziro4ka [17]
3 years ago
15

Pablo runs 1.5 miles on his first day of training for a road race the next day he increases his distance run by 0.5 miles the da

y after that he increases his distance run by another 0.5 miles and so on what is the total number of miles Pablo runs over the course of 12 days
Mathematics
2 answers:
BlackZzzverrR [31]3 years ago
7 0
0.5x+1.5=
0.5(12)+1.5=11.5
Nadusha1986 [10]3 years ago
4 0

Answer:

51 miles

I promise this is correct. I just took the test and got 100%.

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Y= -3x^2-24x-46 write in vertex form
mario62 [17]

ANSWER

y= -3{(x + 4)}^{2}  + 2

EXPLANATION

The given function is:

y= -3x^2-24x-46

Factor -3 for the first 2 terms.

y= -3(x^2 + 8x)-46

We add and subtract the square of the coefficient of x.

y= -3(x^2 + 8x +  {(4)}^{2} )  - - 3( {4)}^{2} -46

Factor the perfect square trinomial.

y= -3 {(x + 4)}^{2} )  + 48 -46

The vertex form is:

y= -3{(x + 4)}^{2}  + 2

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3 years ago
3x(2ab - b) - 2y(2a - b)<br>please i need help!!​
Salsk061 [2.6K]

Answer:

6abx-3bx-4ay+2by

Step-by-step explanation:

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To get the x and the y
Roman55 [17]

Answer:

x = 16

y = 20

Step-by-step explanation:

the left part of the triangle can be solved first as it already has one angle and 1 side, we use trigonometry for this.

since we have 2 sides and 1 angle, to find the third side length we use the pythagoras theorem. a² + b² = c²

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; 225 = c²

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since we have all the lengths of the triangle, we can find out the angle opposite to the side length '9',

; \frac{Sin x}{9} = \frac{sin90}{15}

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36.86 = x

now, we look at the triangle as a whole, the top angle being 90 degrees, we know that we have 36.86.

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\frac{y}{Sin 90} = \frac{12}{Sin 36.86}

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y = 20

again, since we have 2 sides of a right angled triangle we use a² + b² = c²

we arrange this formula since we have the hypotenuse

; 20² - 12² = 256

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3 0
3 years ago
RS=3y+5, ST=2y+9, RT=54. what is the value of y?
Vesna [10]

Answer:

56

Step-by-step explanation:

show your work

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