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3 years ago

What is 80 divided by 15

Mathematics

2 answers:

elena-s [515]3 years ago

7 0

80/15 simplfies to 5.33 repeating in decimal form.

lara31 [8.8K]3 years ago

5 0

I think the answer is 1,200

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-x + 2y = 3 2x – 3y = -6

s2008m [1.1K]

Answer:

x = -3

y = 0

Step-by-step explanation:

Given equations :- 

-x + 2y = 3 ....... ( i )

2x - 3y = -6 ....... ( ii )

From ( i ) 

-x + 2y = 3

-x = 3 - 2y

x = 2y - 3 ........ ( iii )

From ( ii ) 

2x - 3y = -6

2x = -6 + 3y

$x = \frac{ - 6 + 3y}{2}$

........ ( iv )

Equating ( iii ) and ( iv )

x = x

$2y - 3 = \frac{ - 6 + 3y}{2}$

4y - 6 = -6 + 3y

4y - 3y = -6 + 6

y = 0

Putting value of y in ( iii )

x = 2y - 3

x = 2 ( 0 ) - 3

x = -3

4 0

3 years ago

For your summer babysitting jobs you have 10 weeks to work before your family vacation and before you return to school in the fa

seropon [69]

Uh ummm the question?

5 0

3 years ago

The base of a triangular prism is an isosceles right triangle with a hypotenuse of

Setler [38]

SA= Lateral Area + Area (of base)

Lateral area = perimeter of base x height

An isosceles triangle has two congruent base segments. The hypotenuse of an isosceles right triangle is (length of base segment) x (the square root of 2). I did the math for you (shown above) to get 5 as a base.

So 5 + 5 + square root of 50 is your perimeter

Multiply the perimeter times your height (8) and you get the lateral area.

Add your lateral area to the base area (triangle = 1/2 bh)

LA = 136.568...
Area of Triangle base = 12.5

Surface area = 149.068... square cm

6 0

3 years ago

Read 2 more answers

PLEASE HELP I WILL MARK YOU BRAINLIEST FIND THE AREA OF NUMBER 3 AND 4

scoray [572]

Answer:

3. 112.2 yd

4. 30m

Step-by-step explanation:

Number 3:

L × W (length × width) = A
18.7 × 6 = 112.2 yd

Number 4:

B × H (base × height) = A
6 × 5 = 30 m

I hope this helps!

8 0

3 years ago

Read 2 more answers

How many palindromes of length 5 can you form using letters with the following properties: they start with a consonant, and the

Zielflug [23.3K]

Answer:

2100

Step-by-step explanation:

There are 21 consonants that can serve as the first and last letters. There are 5 vowels that can serve as the 2nd and 4th letters. There are 20 remaining consonants that can serve as the 3rd letter. (The same consonant cannot appear in all three places.)

So, the total number of 5-letter palindromes that start with a consonant and alternate with a vowel will be ...

21×5×20 = 2100 . . . different palindromes

6 0

3 years ago