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Marina CMI [18]
3 years ago
6

0-4+7-5×3÷9×5-4 do the sum of that mathematics...

Mathematics
1 answer:
Dafna1 [17]3 years ago
7 0
The answer is -9.333
This is because <span>-5×3÷9×5=-8.333. You must always do multiplication/division before addition/subtraction. 
0-4+7-4-8.333=-1-8.333=-9.333

Hope that helped let me know if its doesn't make sense. </span>
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WILL MARK BRAINLIEST AND WILL GIVE POINTS. PLEASE ANSWER AND SHOW YOUR WORK.
Sindrei [870]

one interior angle = 30° <==== this one is given

second interior angle = 180 - 40 = 140° <=== interior angle + exterior angle = 180

third interior angle = 180 - 30 - 140 = 10° <=== angles in a triangle = 180

8 0
3 years ago
The perimeter of a rectangular garden is 40 it. The length is 2 ft more than the width. Find the length and the width of the gar
alexgriva [62]

Answer: Length = 11

              Width = 9

Step-by-step explanation:

Let x represent the unknown length.

Let x - 2 represent the unknown width.

The perimeter is equal to 2 times x + (x -2)

Equation:

2 (x + (x - 2)) = 40

x + (x - 2) = 40/2

x + x - 2 = 20

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2x -2 + 2 = 20 + 2

The length is: 2x = 22 -> x = 22/2 -> x = 11

The width is: x - 2 = 9

5 0
2 years ago
Jenelle has a piece of wire that is 0.30 feet long. She needs 2.5 times that length to hang a painting. What length of wire does
suter [353]

Answer:

She needs 0,75 ft of wire

Step-by-step explanation:

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She needs (0.30 ft)*(2.5) = 0,75

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6 0
2 years ago
12. A flat, square roof needs a square patch in the corner to seal a leak. The side length of
NISA [10]

Answer:

Step-by-step explanation:

Area of the good part= area of whole roof - area of bad part

Since the roof is a square roof, the area will be calculated using the formulae for area of a square

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A= {(x+12)(x+12)} - x²

A = (x²+12x+12x+144) -x²

Open the bracket and rearrange the equation

A= x²-x²+24x+144

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Answer:

4^2+2^2, 5^2, 6^2-6

Step-by-step explanation:

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5 to the power of 2 is 25 which is greater than 20.

6 to the power of 2 is 36 minus 6 is 30 which is greater than 25 and 20.

7 0
3 years ago
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