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IceJOKER [234]
2 years ago
8

A negative plus a positive is always a positive? True or False

Mathematics
2 answers:
slavikrds [6]2 years ago
7 0

Answer:

False

Step-by-step explanation:

A negative plus a positive is always negative

Kisachek [45]2 years ago
6 0
Answer) False
Explanation: The negative can overweigh the positive like -10 plus 1 is -9
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If there are 5 green, 6 yellow, 8 blue, and 7 brown M&M's, what is the probability that you choose a blue?
Alex777 [14]

Answer:

the probability is 69/420

4 0
3 years ago
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The length of a rectangle is 4 centimeters more than twice its width. If the perimeter of the rectangle is 86 centimeters , find
tensa zangetsu [6.8K]
P = perimeter = 2L + 2W = 86 cm.  Also, L = W + 4.  Subst. W + 4 for L, 

P = 2(W + 4) + 2W = 86 cm.  Then 2W + 8 + 2W = 86 cm, and 4W = 78 cm.

Finally solving for W, W = (78 cm)/4, or 19.5 cm.

If W = 19.5 cm, then L = W + 4 cm = 19.5 cm + 4 cm = 23.5 cm

The rectangle's dimensions are 19.5 cm by 23.5 cm.
6 0
2 years ago
Help plz !!!!!!!!!!!!!!!!! These are so hard
OlgaM077 [116]

Answer:

m=\frac{4}{9}

Step-by-step explanation:

Using the slope formula:

m=\frac{1+7}{10+8}=\frac{8}{18}=\frac{4}{9}

6 0
3 years ago
10x + (-8)= -3x + 2<br> How do I solve this in pemda order
larisa [96]

Answer:

x= 10/13

Step-by-step explanation:

First, we need to put the variable on one side and the constants on another side.

Also a positive and a negative equal a negative. [this is related to +(-8)]

10x+(-8)= -3x+2

+3x         +3x

13x-8=2

    +8  +8

13x=10

Finally you divide on both sides

13x/13=10/13

x= 10/13

I hope this is right! I tried my best

4 0
3 years ago
Each leg of a 45°-45°-90° triangle measures 14 cm. What is the length of the hypotenuse?
nydimaria [60]

The sides of an isosceles right triangle are in ratio 1 : 1 : \sqrt 2.

Answer: 14√2

3 0
3 years ago
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