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gregori [183]
3 years ago
9

Determine the domain and range for t (x) = -(x +10)2 - 64

Mathematics
1 answer:
kirza4 [7]3 years ago
3 0
Your answer would be x= -42

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Mei and Alberto are selling cookie dough. Mei sold 11 packages of chocolate chip and 12 packages of gingerbread for a total of $
ycow [4]

Answer:

The price of a package of chocolate chip is $13.25

The price of a package of gingerbread is $17.18

Step-by-step explanation:

11x + 12y = 352

10x +8y = 270

Let "x" be the price of a package of chocolate chip.

Let "y" be the price of a package of gingerbread.

11x + 12y = 352(Multiply the 1st row by 10)

10x +8y = 270 (Multiply the 2nd row by 11)

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

110x + 120y = 3520

110x +88y = 2970

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

        3y = 550

y =550/3

y = 17.1875

The price of a package of gingerbread "y" is $17.18

Let's pick the first equation "110x + 120y = 3520"

110x + 120y = 3520

110x+ 120(17.1875)= 3520

110x+2062.5=3520

110x=3520−2062.5

110x=1457.5

x= 1457.5/110

x=13.25

The price of a package of chocolate chip is $13.25

6 0
3 years ago
In a football tournament, the Bees scored 9 less than three times as many points as the Hornets. The Wasps scored 28 more points
Elina [12.6K]

Given:

Bees scored 9 less than three times as many points as the Hornets.

Wasps scored 28 more points than the Hornets.

Together the three teams scored 184 points.

To find:

The required equation for this scenario.

Step-by-step explanation:

Let x represent the number of points scored by the Hornets.

Bees scored 9 less than three times as many points as the Hornets.

Bees score = 3x-9

Wasps scored 28 more points than the Hornets.

Wasps score = x+28

Together the three teams scored 184 points.

(3x-9)+x+(x+28)=184

Therefore, the required equation is (3x-9)+x+(x+28)=184.

3 0
3 years ago
Examine the pattern of numbers in the table , and find a formala for y in terms of x.
lana66690 [7]

Plotting the points could help you notice that they lie along a parabola. In particular, you can see that y is always 4 more than x^2.

So, the relation is

y=x^2+4

4 0
3 years ago
Read 2 more answers
What is the length of the hypotenuse of a right triangle if each of the two legs is 7 units?
Katyanochek1 [597]

To find the hypotenuse of a right triangle you can use the Pythagorean theorem. (a² + b² = c²) Using the measurements provided we can solve like this.


Both a² & b² = 7²


7 x 7 = 49


49 + 49 = 98


Now we need to find the square root of 98 (c²) to get our answer.


9.9 x 9.9 = 98.01 or about 98


The measurements for the tirangle are 7 units, 7 units, and 9.9 units.


Hope this helps!



7 0
3 years ago
Read 2 more answers
Write the equation of the line that is perpendicular to the liney=-1x/ 3 + 2 and goes through the point (5, 6)
KIM [24]

Answer:

y = 3x-9

Step-by-step explanation:

y = -1/3 x +2

The slope is -1/3

We want a line perpendicular to it

Perpendicular lines have negative reciprocal slopes

The new slope is -(-3/1) = 3

We have a slope  m=3 and a point (5,6)

We will use point slope form to find the line

y-y-1 = m(x-x1)

y-6 = 3(x-5)

In slope intercept form

Distribute

y-6 = 3x-15

Add 6 to each side

y-6+6 = 3x-15+6

y = 3x-9

3 0
3 years ago
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