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expeople1 [14]
4 years ago
14

1+-2 =? please help mee

Mathematics
2 answers:
Kamila [148]4 years ago
5 0
A positive plus a negative will equal a negative #.
1+-2= -1
Mashutka [201]4 years ago
3 0
1+ -2= -1
If you have $1 but your coffee is  $2  you are $1 short.If your friend pays the difference you owe to your friend $1
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How do you add parentheses to 9 + 12 / 3 + 4 / 2 + 1 * 2 to make the answer 12? Please help quick.
morpeh [17]

Answer:

so the final answer is =17

Step-by-step explanation:

9+12/3=13+4/2=2+1*2=2 the answer is 13+2+2=17

4 0
2 years ago
Whats the answer when you solve the following proportion? x/2 =8/9
vfiekz [6]
Cross multiply:-
9 * x = 2 * 8

x = (2 * 8) / 9  = 16/9   or 1 7/9  answer
3 0
3 years ago
Anyone that can help me with this please?Not soo good at math.​
kakasveta [241]

As it is right angled , we can use pythagoras theorem.

Using the therorem :

(x+2)² + (4x+4)² = (5x)²

x² + 4x + 4 + 16x² + 32x + 16 = 25x²

25x² - 17x² - 36x - 20 = 0

8x² - 36x - 20 = 0

2x² - 9x - 5 = 0

2x² -10x + x - 5 =0

2x(x-5) + 1(x-5) =0

(x-5)(2x+1) = 0

x = 5 or x = -1/2

x cannot be -1/2 as it would make hypotenuse negative.

So x = 5

Sides are 7 m, 24 m , 25 m

The area = 1/2 × base × height

Area = 1/2 × 24 × 7 = 84 m²

5 0
3 years ago
Read 2 more answers
Solve:<br> (1 1/3) 24 = 32<br> b: 875 + 61/2=<br> 1/2x + 31/2y=<br> 91/5x +91/5= <br> Please help me
In-s [12.5K]

Answer:

875 + 61/2= 1811/2

1/2x + 31/2y= y + 31x/2xy

91/5x +91/5= 91 + 91x/5

Step-by-step explanation:

I did not understood the question but I hope thet was the Answer

3 0
3 years ago
Please Help Me, Answer The Questions and I give you 100 Brainly Points
Nezavi [6.7K]
lol what’s the question
6 0
3 years ago
Read 2 more answers
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