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allochka39001 [22]
3 years ago
12

Solve the inequality for y.

Mathematics
2 answers:
Pepsi [2]3 years ago
4 0

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

Inequality Form:

y≥9

Interval Notation:

(9,∞)

hope this helps

dsp733 years ago
3 0

63 <= 7y

To solve for y just divide both sides by 7:

Y <= 63/7

Y <= 9

Because 63 is less than , you need to reverse the inequality sign.

The answer becomes y >=9

Now when you replace y with a number from 9 or higher the inequality will be true.

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Alja [10]

Answer:

The area is 243 square feet

Step-by-step explanation:

The perimeter of a rectangle is the sum of all four sides.

Two of the sides represent the length and two represent the width.

Given what we know and using l to represent the length and w to represent the width.

l + l + w + w = 72ft

or more concisely

2l + 2w = 72ft

The four sides all add together to equal 72ft

We also know that

l = 3w

This says the length is equal to 3 times the width

we have two unknowns, l and w, and now we have two related equations so we can solve for l and w.

The first thing we will do is replace l with 3w in the first equation because the second equation tells us that l is the same as 3w. Making the replacement gives us

2(3w) + 2w = 72ft

2 times 3w is 6w

6w + 2w = 72ft

6w plus 2w is 8w

8w = 72ft

Now if we divide both sides by 8 we maintain the equality since we are making the same change to both sides

8w / 8 = 72ft / 8

8w divided by 8 is 1w or just w and 72ft divided by 8 is 9ft

w = 9ft

So now we know the width is 9ft

if we now replace w with 9 in one of our original equations we can solve for l, let's use l = 3w

l = 3(9ft)

3 times 9 is 27 so

l = 27ft

So the length is 27ft which is 3 times the width of 9ft

The area of a rectangle is length times width or l x w, so

area = 27ft x 9ft

area = 243sqft

ft means feet and sqft means square feet

4 0
3 years ago
A town's employment statistics show that 855 of its residents were unemployed last month. This is a decrease of 25% from the pre
Leona [35]
Decrease of 25% means only 855 people? Okay, so you want to backtrack. If you divide by 25% you’re going to get what it was for a 75% decrease. So divide by .75 instead. 855/.75 = 1140 unemployed residents last month
6 0
1 year ago
If g(x) = 3(x + 10), what is the value of the<br> function when x = -8?<br> O<br> -8<br> -2<br> 24
Gala2k [10]

Answer:

6 which is none of your answers.

Are you sure your function is right?

Is value to plug in x=-8?

Step-by-step explanation:

To find the value of the function at x=-8, you replace x with -8 in the function.

g(x)=3(x+10)

g(-8)=3(-8+10)

g(-8)=3(2)

g(-8)=6

7 0
3 years ago
Read 2 more answers
An mp3 player has 12 songs on shuffle. how many different orders can the songs play
4vir4ik [10]
144 ways because 12 songs 12 ways 12*12
8 0
3 years ago
Help please! I need the area of this given figure. The formula is A=1/2(b1+b2)h
Pie

Answer:

108 ft

Correct me, if I am wrong :)

have a great day!

Thanks!

8 0
2 years ago
Read 2 more answers
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