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Harlamova29_29 [7]
3 years ago
13

X + (-y)= -y + x What’s the property

Mathematics
2 answers:
GrogVix [38]3 years ago
8 0

Answer:

Step-by-step explanation:

the property is : a+b= b+a    comutative for +

Sladkaya [172]3 years ago
5 0

hm

Step-by-step explanation:

I'd go with associative because its re grouping

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Choose the three rectangular prisms that have a volume of 24 cm3.<br> = 1 cm<br> A.<br> D.<br> E.
OlgaM077 [116]

Answer: I think is A, D, E

Step-by-step explanation:

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3 years ago
Raina's penny bank is  1/4  full. After she adds  360  pennies, it is  5/8  full. How many pennies can Raina's bank hold? ​
Triss [41]

Answer:

960

Step-by-step explanation:

We start with the variable "x". Let's call "x" Raina's penny bank.

After adding 360 pennies, at the end, she has 5/8x, or 5/8.

So we start with

(1/4)x + 360 = 5/8x

Let's subtract 1/4x from both sides

360 = 5/8x - 1/4x

Remember, we need to use common denominators to subtract, so 1/4 becomes 2/8

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Now we simplify to get

360=3/8x

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4 0
2 years ago
Read 2 more answers
Subtract using the number line -3/5 - (-2/5) (picture provided)
lara31 [8.8K]

Answer:

<h2>-1/5</h2>

Step-by-step explanation:

Starting at -3/5 you need to subtract -2/5.

When you subtract a negative number, the sign flips and you add instead. Often, you are taught that two similar signs means add and two opposite signs mean minus.

<em>+ + = +</em>

<em>- - = -</em>

<em>+ - = -</em>

<em>- + = -</em>

<em />

This means -3/5 - -2/5 becomes -3/5 + 2/5.

Because you are adding, you move two lines to the right on the number line.

You end at -1/5.

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Step-by-step explanation:

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3 years ago
What is the scale factor ?
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A scare factor is a shape that has to do with the measures.

Step-by-step explanation:

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