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skad [1K]
2 years ago
9

PLs Help...................

Mathematics
2 answers:
Grace [21]2 years ago
6 0

Answer:

x=-8.5

Step-by-step explanation:

QveST [7]2 years ago
6 0

Answer:

x = −8.5

Step-by-step explanation:

x equals negative -8.5

answer  -8.5

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A STUDENT FINISHES THEIR FISR HALF OF AN EXAM IN 2/3 THE TIME IT TAKES HIM TO FINISH THE SECOND HALF. IF THE ENTIRE EXAM TAKES H
shepuryov [24]

Answer: First half was 24 minutes

Step-by-step explanation:

Let the time taken to finish the second half be y.

Since the student used 2/3 of the second half time to finish the first half, first half = 2/3 × y = 2y/3

The entire exam is an hour which equals 60 minutes

First half + Second half = 60minutes

Note that first half is denoted as 2y/3 and second half is denoted by y.

2y/3 + y = 60

5y/3 = 60

Cross multiply

5y = 60 × 3

5y = 180

y = 180/5

y = 36

Second half took 36 minutes

Since first half is 2y/3, it will be:

(2×36) / 3

= 72/3

= 24minutes

First half took 24 minutes.

8 0
3 years ago
Which of the following possibilities will form a triangle?
kvasek [131]

B i think im not sure sorry

6 0
3 years ago
How to solve this one​
Stells [14]

Answer:

(-5,1)

Step-by-step explanation:

Add it together

3x - 2x = x

y - y = 0

9 - 14 = -5

x = -5

Choose a random equation, doesn't matter.

3x + y = -14

3(-5) + y = -14

-15 + y = -14

y = -14 + 15

y = 1

7 0
2 years ago
Read 2 more answers
Check the box labeled Show Altitude of Triangle ABC. The altitude divides into and through the point you determined in question
maw [93]

Answer:

Step-by-step explanation:

7 0
2 years ago
Can someone help me with this problem and show your work
zloy xaker [14]
55 degrees

The supplementary angle is 55 because 180-125=55

Then subtract the interior angles 180-75-55=55
3 0
2 years ago
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