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Korvikt [17]
3 years ago
5

The perimeter of an isosceles triangle less than 20 inches. If the base is 5 inches, what is the maximum length of each of the l

egs?
Mathematics
1 answer:
ser-zykov [4K]3 years ago
4 0

Answer:

7.5 inches

Step-by-step explanation:

take the 5 away from the 20, you have 15 inches left. Isosceles triangles have two equal sides; 15 divided into two equally is 7.5

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Quadratic equations and complex numbers PPEASE ANSWER ASAP
mariarad [96]

When you solve the following equation, solving for the quadratic formula.

The answer is; x=4

Next time pay attention in class.

5 0
3 years ago
Read 2 more answers
Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel.
Allisa [31]

Let, the age of Daniel be x years and Kevin be y years.

Given, Kevin is 3 years older than Daniel.

So we can write the equation as y=x+3

Also given, 2 years ago Kevin was 4 times as old as Daniel.

2 years ago, Daniel's age = (x-2) years

2 years ago, Kevin's age = (y-2) years.

So we can write the equation as (y-2) = 4(x-2)

We have got the two equations

y = x+3 ..... equation 1

(y-2) = 4(x-2) ..... equation 2

Now we are plugging in the value of y from equation 1 to equation 2

x+3-2 = 4(x-2)

x+1 = 4(x-2)

Now we have to distribute 4 in the right side.

x+1 = 4x -8

We will have to take x in one side. so let's move 4x to the left side by subtracting it to both sides.

x -4x+1 = 4x-4x -8

-3x+1 = 0-8

-3x+1 = -8

Now we have to move 1 to the right side by subtracting 1 from both sides.

-3x +1 -1 = -8-1

-3x+0 = -9

-3x = -9

Now we can get x by moving -3 to the right side. As -3 is multiplied there so we can move it by dividing both sides by -3.

-3x/-3 = -9/-3

x = 3

So we have got the required answer. Daniel is 3 years old.

8 0
3 years ago
What is 38,721 to the nearest hundreds
blagie [28]

Answer:

38,720

Step-by-step explanation:

4 0
3 years ago
Kyra observed that 85% of the students at a library liked reading mystery stories. If 30 students at the library did not like re
boyakko [2]
First  calculate that numeric value. It cannot be done immediately without calculations.

if 85% of studends liked mystery that means that 100% - 85% = 15% didnt like.

Those 15% are 30 that were given in text. Now we can calculate this using proportion:

15%        30 students
85%         x students

we use cross multiplication:
15*x = 30*85
x = 30*85/15
x = 170

Answer is 170
8 0
3 years ago
N − 23 ≥ 19 solve the inequality
nirvana33 [79]

Answer:

N greater than or equal to 42

Step-by-step explanation:

You have to look at the equation and then add 23 to both of the sides. After you will get 42 and drop down everything.

7 0
3 years ago
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