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quester [9]
2 years ago
8

HELP 30 POINTS

Mathematics
2 answers:
notka56 [123]2 years ago
8 0
The Y VALUE and 2, -1 will be eliminated when adding the equations together!!

Hope this helped!!
pav-90 [236]2 years ago
4 0

Answer:-1

Step-by-step explanation:

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In a exam 90% students passed.if 15 students failed,find the number of students appeared in the examination?​
inysia [295]

Answer:

150

Step-by-step explanation:

10%=15

100%=150

15 x 10=150

to check find 90% of 150 which is 135

150-135=15

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3 years ago
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HELP ME ON THIS PLSS Kathy swims at least 6 laps everyday. Write an inequality to show how long Kathy swims each day.
mina [271]

Answer:

x ≥ 6.

Step-by-step explanation:

Given : Kathy swims at least 6 laps every day.

To find: Write an inequality to show how long Kathy swims each day.

Solution : We have given that Kathy swims at least 6 laps every day.

We can see from given statement Kathy can swim 6 laps or greater then 6 laps in a day.

Then we use greater than or equal to sign  ( for at least)

Since x ≥ 6.

Therefore, x ≥ 6.

3 0
2 years ago
Schoolyard has an area of 3,564ft.² the section that is in the shape of a triangle is just for picnic table and what is the area
asambeis [7]

Answer:

The area of the section for the picnic tables is 1,188\ ft^{2}

Step-by-step explanation:

we know that

The area of the schoolyard is equal to the area of a rectangle plus the area of a triangle

so

3,564=44*(2x-x)+\frac{1}{2}(2x-x)*44\\ \\3,564=44x+22x\\\\3,564= 66x\\ \\x=54\ ft

The area of the triangle is equal to

22x=22*54=1,188\ ft^{2}

6 0
3 years ago
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