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alisha [4.7K]
3 years ago
7

What is the value of x?

Mathematics
1 answer:
yulyashka [42]3 years ago
8 0

Answer:

An x-coordinate is the x value in an ordered pair, which is just two mathematical objects, such as numbers, paired together. ... For instance, in the ordered pair (2,5), the x-coordinate would be '2. ' This value tells you how far a point is from the origin, or starting point, in the x direction on a 2-dimensional graph.

Step-by-step explanation:

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Which function does this graph represent
Svet_ta [14]

Answer:

b. f(x) = -3(x+1)^2+2

Step-by-step explanation:

i hope this helps :)

7 0
3 years ago
Does anyone know to do this!
Rina8888 [55]
Answer: (r + 4)(r + 8)
Alright, I would first rearrange the equation by bringing all your terms to one side by adding 12r and 32 to both sides. This will result in the rearranged equation: r^2+12r+32=0
You can then factor the equation into the two binomials: (r + 4)(r + 8).
4 + 8 equals the b term, 12, and 4 x 8 equals the c term, 32.
3 0
3 years ago
Jami jogged 1/3 of a mile in 1/6 of an hour. What was her speed in miles per hour?
alexandr1967 [171]

there are 6  1/6 per hour

multiply 1/3 by 6

1/3 * 6 = 6/3 = 2 miles per hour

6 0
4 years ago
Just please answer ASAP thank
anzhelika [568]

Answer:

Each muffin= 1.5; Each quart of milk= 3

Step-by-step explanation:

Let m represent muffins and q quarts of milk, so

8m+2q=18

3m+1q=7.50

*solve*

3m+1q=7.5

    -1q    -1q

3m=-1q+7.5

/3     /3   /3

m=-1/3q+2.5

*replace for m*

8(-1/3q+2.5)+2q=18

-2 2/3q+20+2q=18

-2/3q+20=18

         -20 -20

-2/3q=-2

/-2/3  /-2/3

q=3

*replace to find m*

3m+1(3)=7.50

3m+3=7.5

      -3  -3

3m=4.5

/3     /3

m=1.5

*replace to verify*

8m+2q=18

8(1.5)+2(3)=18

12+6=18

18=18

3m+1q=7.50

3(1.5)+1(3)=7.5

4.5+3=7.5

7.5=7.5

8 0
2 years ago
The Hoover Dam in the U.S produces 2 x 10 ^9 Watts of electricity and is composed of 7 x 10^9 kg of concrete. Concrete requires
kondaur [170]

Answer:

1) 7 x 10^{15} J

2) 40.5 days

Step-by-step explanation:

1) First of all we use 1MJ=1x10^{6}J so the total energy will be 7x10^{9} kg * 1x10^{6} \frac{J}{kg} =7x10^{15}J.

2)Then we use 1W=1\frac{J}{s} and Time=\frac{7 x 10^{15} J }{2x10^{9}J/s} =3.5x10^{6}s or 3.5x10^{6}s*\frac{1h}{3600s}*\frac{1day}{24h} =40.5 days

4 0
3 years ago
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