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lina2011 [118]
3 years ago
14

What is the difference? complete the equation -30 - (-10) =

Mathematics
2 answers:
sergejj [24]3 years ago
3 0
-40


Mark brainliest please


Hope this helps you
Tems11 [23]3 years ago
3 0

Hey there!

GUIDE #1

• 2 Negatives = POSITIVE

• 2 Positives = POSITIVE

• 1 Negative & 1 Positive = NEGATIVE

• 1 Positive & 1 Negative = NEGATIVE

• NEGATIVES are on the LEFT SIDE of the number line

• POSITIVES are on the RIGHT SIDE of the number line

GUIDE #2

• DIFFERENCE means SUBTRACT/SUBTRACTION

• SUM means ADDITION/ADD

• PRODUCT means MULTIPLY/MULTIPLICATION

• QUOTIENT means DIVISION/DIVIDE

-30 - (-10)

= -30 + 10

YOU START AT -30 and go up 10 spaces to the RIGHT

= -20

Therefore, your answer is: -20

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Emily has 140 books. If Frank were to triple the number of books that he now owns, he would still have fewer than Emily has.
aniked [119]
B * 3 < 140
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Are the set of all square numbers under 50 and the set of all triangular numbers that are less than 50 disjoint?
Alina [70]

Answer:

No, the two sets are not disjoint.

Step-by-step explanation:

Set of triangular numbers to 50: 1, 3, 6, 10, 15, 21, 28, 36, 45

Set of square numbers to 50: 1, 4, 9, 16, 25, 36, 49

They have 1 and 36 in common, so they are not disjoint, or in other words, they have some of the same numbers.

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3 years ago
two dice are rolled, given that the total showing on the two dice is 7, find the probability that one of the dice shows the numb
kipiarov [429]

Answer:

For each of the possible outcomes add the numbers on the two dice and count how many times this sum is 7. If you do so you will find that the sum is 7 for 6 of the possible outcomes. Thus the sum is a 7 in 6 of the 36 outcomes and hence the probability of rolling a 7 is 6/36 = 1/6.

Step-by-step explanation:

3 0
3 years ago
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Which of the following best describes how to use of the addition property of equality to isolate the variable x below?. . 5 = x
sergiy2304 [10]
<span>The best answer is C.add 2 to both sides of the equation.
</span>5=x-2
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5 0
3 years ago
Help asap please i don't know the answer lol
Sveta_85 [38]

Answer:

H

Step-by-step explanation:

The parallel line BC divides the sides AD and AE in proportion, that is

\frac{AB}{BD} = \frac{AC}{CE}, that is

\frac{2}{3} = \frac{AC}{4} ( cross- multiply )

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AC = \frac{8}{3} = 2 \frac{2}{3}, hence

AE = AC + CE

     = 2 \frac{2}{3} + 4 = 6 \frac{2}{3} → H

6 0
3 years ago
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