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posledela
3 years ago
12

HELPPPP PLSSSSSSSSSSSSSSSS

Mathematics
2 answers:
Lana71 [14]3 years ago
7 0

Answer:

x = 10

Step-by-step explanation:

9x + 9 = 8x + 19

9x - 8x = 19 -9

x =10

Wittaler [7]3 years ago
4 0

Answer:

<em>10 </em>

Step-by-step explanation:

Angles are alternate exterior and congruent

9x + 9 = 8x + 19

9x - 8x = 19 - 9

x = <em>10</em>  

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A triangular courtyard has a perimeter of 120 meters. The lengths of two sides are 30 meters and 50 meters. How long is the thir
Masja [62]

Answer:

the third side is 40 m long

Step-by-step explanation:

The perimeter of the triangle is the sum of its three sides, and they give you what that value in meters is (120 m)

Your are given the length of two of them: 30 m and 50 m, and need to find the third one (let's call it "x" for this unknown side)

Now set the following equation:

Perimeter = side 1 + side 2 + side 3   --> replace these with the info you know

120 m = 30 m + 50 m + x   --> add 30 m and 50 m obtaining 80 m

120 m = 80 m + x  --> now solve for x (isolate the x on one side) by subtracting 80 m from both sides

120 m - 80 m = x  --> perform the subtraction 120 m - 80 m = 40 m

40 m = x

Which tells us that the third unknown side has a length of 40 m

7 0
3 years ago
Read 2 more answers
The speed of a bus from University A to University B was decreased by 20% to 48 miles per hour. What was the speed of the bus be
Lunna [17]

Answer:

initial speed: 240 m/h

Step-by-step explanation:

48 m/h is the current speed which is the 20% of X

x (20 / 100) = 48

20x = 4800

x = 4800/20

x = 240 m/h

5 0
2 years ago
Graph the function. Identify the vertex and axis of symmetry.
aalyn [17]
A. axis of symmetry: vertex: (–0.5, –0.5)
7 0
3 years ago
I just need help on the question circled below.<br><br> (I need the answer ASAP.)
77julia77 [94]
2.5+ 2.5= 5 miles i think
6 0
3 years ago
A business named Beyond Boxes is considering adding a box in the shape of a triangular prism as shown.
Novosadov [1.4K]

Answer:

creo que es 4cm y la otra B no se por que esta en ingles ok

4 0
2 years ago
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