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Nitella [24]
3 years ago
11

Solve -7x = -56 Help me

Mathematics
2 answers:
OleMash [197]3 years ago
8 0
Easily done! Just do -56 divided by -7 but just remember two negatives equal a positive. So your answer would be 8!
MAVERICK [17]3 years ago
8 0

Answer:

x = 8

Step-by-step explanation:

When x is being multiplied by a number, to solve for x, you have to divide the number that x is being multiplied by on both sides of the equation. The number is question is -7, meaning that -7 is the number that has to be divided on both sides. -7x/-7 would cancel out to just x. On the other side, -56/-7 (because a negative divided by a negative equals a positive) equals 8. Since x is now by itself, we have our answer of x=8.

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Brut [27]

Answer:

I think that Sarah sent 70 percent of the text messages , so you have to shade 70 of them .

4 0
2 years ago
A train leaves at 14.54 and arrives at its destination at 15.47. If the train travelled 66 km, what was it's average speed in km
JulijaS [17]

Answer: average speed of the train = 4,483.0 km/h

Step-by-step explanation:

Speed = Distance / Time

Distance = 66 km

Time = 15.47  cancelling 15, we have 60 sec added to 47 sec

         <u> - 14.54</u>

=         14.   107    60 + 47

         <u> - 14.  54</u>

<u>                     53secs</u>

53secs to hours becomes =

60 secs = 1 min

60 min= i hour

therefore 53seconds =53/3600=0.0147222hours

Speed= 66/ 0.0147222= 4,483.025

Rounding to 1 dp becomes= 4,483.0 km/h

3 0
2 years ago
Name the type of transformation that maps the pre-image, ABC, to the image, A'B'C'. show your work​
AleksAgata [21]

Answer:

reflection across y translate 1 unit to the right translate 6 units down

Step-by-step explanation:

6 0
3 years ago
Isaiah walks 3 miles due north, turns and then 5 miles due east. How far is he from his starting point?
Sonbull [250]
Isiah is 5.83 miles away from his starting point.

When you draw the the miles Isaiah walks, you will discover that you are forming a right angle triangle.

To measure the length from the starting point to the ending point. We must used the Pythagorean equation. Where in the square of the hypotenuse is equal to the sum of squares of the other two sides.

a² + b² = c²

a = 3 miles                        3² + 5² = c²
b = 5 miles                        9  + 25 = c²
c = hypotenuse.                    34    = c²
 
We must get the hypotenuse, since 34 is the square of the hypotenuse we must look for its square root.

c² = 34
c = √34
c = 5.83 miles
7 0
3 years ago
Which number can each term if the equation be multiplied by to eliminate the decimals before solving
natima [27]
Answer is c 10 eliminate the decimal l
6 0
3 years ago
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