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Leni [432]
3 years ago
5

What's the solution of -2+2/5

Mathematics
1 answer:
nata0808 [166]3 years ago
5 0
-10/5 + 2/5 = -8/5 answer is minus eight over five

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Can anyone show me how to do this?
mrs_skeptik [129]

Answer:

It's 3 feet

Step-by-step explanation:

Because you are trying to reach the window that is 15 feet, so you would place the 18 foot ladder 3 feet from the house so then it would be at an angle and then it'll reach to the window properly.

3 0
3 years ago
Land in downtown Columbia is valued at $10 a square foot. What is the value of a triangular lot with sides of lengths 119, 147,
stiks02 [169]

Answer:

$87,461

Step-by-step explanation:

Given that the dimensions or sides of lengths of the triangle are 119, 147, and 190 ft

where S is the semi perimeter of the triangle, that is, s = (a + b + c)/2.

S = (119 + 147 + 190) / 2 = 456/ 2 = 228

Using Heron's formula which gives the area in terms of the three sides of the triangle

= √s(s – a)(s – b)(s – c)

Therefore we have = √228 (228 - 119)(228 - 147)(228 - 190)

=> √228 (109)(81)(38)

= √228(335502)

=√76494456

= 8746.1109071 * $10

= 87461.109071

≈$87,461

Hence, the value of a triangular lot with sides of lengths 119, 147, and 190 ft is $87,461.

6 0
3 years ago
Ms.Smith has 28 sixth graders and 42 seventh graders for math. If she wants to break the two grades into identical groups withou
Zinaida [17]
Add the 28 and 42
then divide by 2
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4 0
3 years ago
A washer and dryer cost $1000 combined. The of the washer is three times the cost of the dryer. What is the cost of the dryer?
Tasya [4]
Let “x” represent the cost of the dryer in dollars
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3x + x = 1000
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8 0
2 years ago
I need help please i'll give brainly​
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Answer:

60 +24 = 84

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3 years ago
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