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Digiron [165]
3 years ago
12

Use substitution to find the x-coordinate of the solution to each system.

Mathematics
1 answer:
Igoryamba3 years ago
6 0

Answer: (7)  x = 1

(8) x = 5

(9) x = -3

(10) x = -4

Step-by-step explanation:

You might be interested in
What is the value of x?<br> Enter your answer in the box.
stira [4]

Answer:

24 =x

Step-by-step explanation:

We can use proportions to solve this problem.  Put the side of one triangle over the same side of the other triangle.

44.8          x+4

------ = ----------

56           35

Using cross products

44.8*35 = 56(x+4)

Distribute

1568= 56x+224

Subtract 224 from each side

1568-224= 56x+224-224

1344=56x

Divide each side by 56

1344/56= 56x/56

24 =x

6 0
3 years ago
The expression m divided by 4 is teh distance each person runs in a relay race that is m miles. How far does each person run in
Dovator [93]

Answer:

Each person runs 3 miles in a relay race.

Step-by-step explanation:

Given:

Distance of Relay race m = 12 miles.

The expression m divided by 4 is the  distance each person runs in a relay race that is m miles.

Each person runs in relay race = \frac{m}{4}

Now given the total distance of the relay race is 12 miles.

i.e. value of m = 12 miles

Now substituting the value of m in above equation we get;

Each person runs in relay race = \frac{m}{4} = \frac{12}{4}=3 \ miles

Hence each person runs 3 miles in a relay race.

6 0
3 years ago
33 = -u/4<br><br> please help me i really confused......
nordsb [41]

Answer:

u = -132

Step-by-step explanation:

33=-u/4

33*4=-u

132=-u

132/-1=u

-132=u

u = -132

Check:

33= -1(-132)/4

33=132/4

33=33

Hope this helps. Have a nice day.

6 0
3 years ago
Find all complex solutions of 2x^2+x+6=0. (If there is more than one solution, separate them with commas.)
ankoles [38]

Answer:

x=-1/4+i*sqrt(47)/4 and x=x=-1/4-i*sqrt(47)/4

Step-by-step explanation:

Using quadratic formula, x=(-1±sqrt(1-48))/4.

x=-1/4+i*sqrt(47)/4 and x=x=-1/4-i*sqrt(47)/4

4 0
3 years ago
Read 2 more answers
8 is 15% of what number
Scilla [17]
8 is 15% of what
8 = 0.15x
8 / 0.15 = x
53.33 = x

so 8 is 15% of 53.33
6 0
3 years ago
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