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Aleksandr-060686 [28]
3 years ago
15

2m + 3y - 7m + 3y - 2y - m - m​

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
6 0

Answer:

-7m + 4y

Step-by-step explanation:

When you combine all of the like terms, the answer for this equation is -7m + 4y.

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Red ink pens are sold at $1.50 each black ink pens are sold at $30 which color is the cheaper buy?
Lena [83]

Answer:

Red Ink pens.

Step-by-step explanation:

Red ink pens are sold at $1.50 while Black ink pens are sold at $30. One black ink pens cost more than one red ink pen by $28.50.

7 0
3 years ago
Please help with this question ​
zalisa [80]

Answer:

4cm^2

Step-by-step explanation:

First we need to find the length of the height of the triangle using Pythagoras:

a^2+b^2=c^2 (Substitute in what we have)

a^2+3√2(^2)=2√5(^2)   =   a^2 + 18 = 20 -> 20-18=2 √2=BD

Now we can find the area:

AD+DC= 3√2 + √2 = 4√2 x √2 = 8/2 = 4

6 0
3 years ago
Please help!<br> Write down the correct type of angle for angles A to E.
mel-nik [20]

Answer:

Angle A- Obtuse angle

Angle B- Right angle

Angle C- Reflex angle

Angle D- Reflex angle

Angle E- Acute angle

4 0
3 years ago
PLLLLLLZZZZ HELP!! MULTIPLE CHOICE!!
liubo4ka [24]
First, set 2x+7 equal to 3x-7 since they are the same angle due to the parallel lines.

2x+7=3x-7
x=14

Then, since 2x+7 and 12y+1 equals 180, put it together to find y:

(2x+7)+(12y+1)=180
(2(14)+7)+(12y+1)=180
12y+1=145
12y=144
y=12

So, x=14 and y=12. Your answer should be C!
5 0
3 years ago
Fully simplify ( 3 x + y 4 ) 2
Ainat [17]

Answer:

2/4-5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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