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Ilia_Sergeevich [38]
2 years ago
9

1.) (-6) (-7) =

Mathematics
2 answers:
Jobisdone [24]2 years ago
5 0

\left(-6\right)\left(-7\right)=42

46=2\quad :\quad \mathrm{False}

\left(-9\right)+25=16

\left(13\right)\left(-3\right)=-39

14+3=17

nata0808 [166]2 years ago
4 0

Answer:

1) 36

2) False

3) 16

4) -39

5) 17

Step-by-step explanation:

When multiply two negatives, the final answer is positive.

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Please help me out!!!!
svetoff [14.1K]

Answer:

b= 70

Step-by-step explanation:

The sum of the opposite interior angles of a triangle is equal to exterior angle.

a+b = 140

We know that a = b since PQ = RQ  The angles opposite the equal sides in an isosceles triangle are equal

b+b = 140

2b =140

Divide by 2

2b/2 =140/2

b= 70


6 0
3 years ago
The probability of it snowing on a given day is 4 솎<br>What is the probability of it not snowing?​
Sindrei [870]

Answer:

4

Step-by-step explanation:

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6 0
2 years ago
Determine the area of the rectangle below
alekssr [168]

Answer:

A=10.75

Step-by-step explanation:

Formula; A=wl

Plug in values; 2.5·4.3

Area ; 10.75

5 0
3 years ago
Read 2 more answers
59, 61, 61, 69, 72, 74, 80<br> What is the median of the data?
Thepotemich [5.8K]

Answer:

69

Step-by-step explanation:

It's 69 because 69 is in the middle of all of this data when it is put in order from least to greatest.

5 0
3 years ago
A vacant city lot is being turned into a neighborhood garden. The neighbors want to fence in a triangular section of the lot and
ozzi

9514 1404 393

Answer:

  17 ft, 27 ft, 20 ft

Step-by-step explanation:

Let s represent the length of the shortest side. The the longest side is (2s-7) and the third side is (s+3). The perimeter is the sum of the side lengths:

  64 = s +(2s -7) +(s +3)

  64 = 4s -4 . . . . . . . . . . . collect terms

  16 = s -1 . . . . . . . . . . divide by 4

  17 = s . . . . . . . . . add 1

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  s +3 = 17 +3 = 20 . . . . . . . the length of the third side

The side lengths are 17 feet, 27 feet, and 20 feet.

8 0
2 years ago
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