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never [62]
4 years ago
6

20-(-3) for algebra to find the difference

Mathematics
1 answer:
coldgirl [10]4 years ago
3 0

Hey there!

<h2>ANSWER: -60</h2><h2>EXPLANATION:</h2>

20-(-3)

Subtract:\\20-(-3)\\=-60(ANSWER)

Hope this helps!

-TestedHyperr

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What is the area of this polygon?
e-lub [12.9K]

Answer:

  34.5 units²

Step-by-step explanation:

There are methods for finding the area of a polygon using arithmetic on the coordinates. Here, it is probably more convenient to cut the figure into two triangles and a trapezoid and figure the areas of those.

A line from (-5, 1) to (1, 1) will create a triangle above that line with base 6 and height 3. Its area will be ...

   A = 1/2·b·h = 1/2·6·3 = 9 . . . units²

Similarly, a line from (1, 1) to (1, -2) will create a triangle to the right of that line with base 3 and height 4. Its area will be ...

  A = 1/2·b·h = 1/2·3·4 = 6 . . . units²

The remaining trapezoid has top base 6, bottom base 7, and a height of 3. Its area will be ...

  A = 1/2·(b1+b2)·h = 1/2·(6 +7)·3 = 39/2 = 19.5 . . . units²

Then the total area of the figure is ...

  (9 + 6 + 19.5) units² = 34.5 units²

8 0
3 years ago
HELP ME WITH THIS QUESTION AS SOON AS POSSIBLE
bixtya [17]

Answer:

the answer is 2880

Step-by-step explanation:

because you would use the formula (n - 2) x 180 which equals the sum interior angles of any polygon .

The letter n stands for number of sides so in this case you would do (18 - 2) x 180 so 16 × 180 = 2880

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5 0
1 year ago
Can someone plz help me with this math problem?
ohaa [14]
Cheese $1.99 * 1/2 = $1.00
Sliced Ham $3.29 * 3 = $9.87
Bread $1.59 * 2 = $3.18
Potato Chips $3 * 2 = $6
Salsa $1.39 * 1 = $1.39
Total $1.00+$9.87+$3.18+$6+$1.39
Total Spent $21.44

Coupon 1 $21.44-$4.00=$17.44
Coupon 2 $21.44 * 10% = $2.14
$21.44 - $2.14 =$19.30

Coupon 1 will save you the most money
6 0
4 years ago
Read 2 more answers
What is (625/2401)^1/4
Mars2501 [29]
The answer as a decimal is 0.06507705122

Hope this helps!
7 0
3 years ago
Read 2 more answers
Which group of three squares will form a right triangle when<br> joined at their vertices?
Ilia_Sergeevich [38]

Answer:

Option ?) 17 cm, 15 cm, 8 cm

<em>The assignment should have </em><em>four options</em><em> to choose from, but there is only a picture of two. </em>

Step-by-step explanation:

<em>None of the squares </em><em>shown</em><em> form a right triangle. To determine if sides form a right triangle, you use </em><em>this</em><em> formula:</em>

a²+b²=c²

<em>We are given two options in the picture.</em>

Option A) 18, 10, and 8.

Option B) 12, 9, and 6.

<em>So, now we need to apply the formula:</em>

Option A)

║8² + 10² = 18²

  ↓

║64 + 100 = 324

  ↓

║FALSE

Option B)

║6² + 9² = 12²

  ↓

║36 + 81 = 144

  ↓

║FALSE

<em>Both of these options are false.</em><em> But, I decided to look up this assignment to check my answer. It turns out, there are </em><em>4 options</em><em>, and you only had a picture of two. So, what's the answer?</em>

<em />

<em>There is an answer choice that shows 3 squares with the lengths of 17 cm, 15 cm, and 8 cm. </em><em>This is the correct answer</em><em>.</em>

<em />

<em>For proof, let's apply the formula:</em>

Option ?)

║8² + 15² = 17²

  ↓

║64 + 225 = 289

  ↓

║TRUE

<em>[Since the option isn't shown, I'll put a '?' so there is no confusion]</em>

8 0
3 years ago
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