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liubo4ka [24]
3 years ago
12

3. Find the difference between the two expressions. (3/5x - 5y) - (4/5x + 2y

Mathematics
1 answer:
andriy [413]3 years ago
5 0

Answer:

^{-1}/_{5}x-7y

Step-by-step explanation:

Our equation is

(^{3}/_{5}-5y)-(^{4}/_{5}+2y)

now we distribute the - and we get

^{3}/_{5}-5y-^{4}/_{5}-2y

Combine like terms

and now we have ^{-1}/_{5}x-7y

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Multiply 15×2.23<br> plz and ty
Arlecino [84]

Answer:

33.45

Step-by-step explanation:

Just multiply

Just put it like normally, forget the decimal for now, you don’t have to line it up due to it not being addition Or subtraction

You’ll get 3345 without the decimal

now there are 2 decimal places from 0 so

just move the decimal place 2 times to the left

33.45

4 0
3 years ago
Read 2 more answers
How do you simplify ratio?
Vaselesa [24]
Ratio can be simplified by dividing both sides of the ratio by Highest Common Factor The highest common factor is the largest number that goes into both numbers of your ratio. example
Simplify 15 : 9

Ratio 15 : 9 Factors of 15 1 , 3 , 5 , 15 Factors of 9. 1 , 3 , 9 Greatest Common Factor (G.C.F)3 Divide both by G.C.F 15 ÷ 3 = 5
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8 0
4 years ago
Please help with geometry question
Hunter-Best [27]

Answer:

m∠J = 45° , m∠I = 45° and m∠M = 90°

And the ΔJIM is an isosceles right angled triangle.

Step-by-step explanation:

(a). In ΔJIM,

∠J = 2x + 15,

∠I = 5x - 30, and

∠M = 6x

Now, using angle sum property of a triangle that sum of all the angles in a triangle is 180°

⇒ ∠J + ∠I + ∠M = 180°

⇒ 2x + 15 + 5x - 30 + 6x = 180°

⇒ 13x -15 = 180°

⇒ 13x = 195

⇒ x = 15

Therefore, m∠J = 45° , ∠I = 45° and m ∠M = 90°

(b). Now, ΔJIM is a right angled triangle right angled at M.

Also, ∠J = ∠I = 45°

So, JM = IM ( because in a triangle sides opposite to equal angles are equal)

So, ΔJIM is an isosceles triangle because its two sides are equal.

Hence, ΔJIM is a right angled isosceles triangle right angled at M.

8 0
3 years ago
What is 25/10 converting fractions to mixed numbers​
mote1985 [20]

Hey!

-------------------------------------------------

Solution:

~10 can go in to 25 two times.

10 + 10 = 20

25 - 20 = 5 (remainder)

~20 means that the whole number is 2.

2 5/10

~Simplify and Answer

2 1/2 or 2.5

-------------------------------------------------

Hope This Helped! Good Luck!

5 0
4 years ago
Find an expression which represents the sum of (10x−7y) and (7x-8y) in simplest terms.
Juli2301 [7.4K]

Answer:

17x - 15y

Step-by-step explanation:

(10x - 7y) + (7x -8y)

17x - 15y

8 0
3 years ago
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