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zavuch27 [327]
3 years ago
7

Help now please, i wasn't there at all last week.

Mathematics
1 answer:
QveST [7]3 years ago
6 0

What is the area of the rectangle?

4

What is the area of the triangle?

2

Rectangle explanation:

If the Base and Height of the rectangle is 2, then we just have to multiply, and we get 4 as our answer.

Triangle explanation:

The area of the scalene triangle can be calculated using different formulas, Using base and height: (1/2) × base × height. Using Heron's formula: √s(s−a)(s−b)(s−c) s ( s − a ) ( s − b ) ( s − c ) , where where a, b, c are the sides and s is the semi-perimeter, s = (a + b + c)/2.

And I used just that formula to find my answer!

If you found my answer helpful, mark me brainliest! Have a great day!

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David loves to cook! He knew 21 recipes before starting cooking school and he learns 2 recipes
pishuonlain [190]

Answer:

Sarah is incorrect.

Step-by-step explanation:

By plugging 10 in as 'x' to the equation, we get y=21+(2*10). 2 x 10 is 20, and 20 + 21 is <em>not</em> 42 - it's 41. So, Sarah is incorrect.

7 0
3 years ago
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In a right triangle a=2b+4 and all side lengths are integers. The possible values for b are 4cm, 5cm, 8cm,10cm,12cm,and 24cm. De
grigory [225]
A) The values for (a, b, c) are (24 cm, 10 cm, 26 cm).

b) A similar triangle is one with sides 12 cm, 5 cm, and 13 cm.

6 0
3 years ago
Two angles are supplementary angles if the sum of their measures is​ 180°. find two supplementary angles such that the measure o
suter [353]
Let the second angle be x.

Second angle = x
First angle = 3x - 6

The sum of the two angles is 180°
x + 3x - 6 = 180
4x - 6 = 180
4x = 186
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Second angle = 46.5°
First angle = 3(46.5) - 6 = 133.5°

Answer: The angles are 46.5° and 133.5°
7 0
3 years ago
Clearer photo—————————
VikaD [51]

Answer:

29

Step-by-step explanation:

Since all triangles have to add up to 180, we can do the sum of the two angles we know minus 180. 90+61=151, 180-151=29

So your answer would be 29

7 0
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The temperature was -13°F and then rose 9°F.<br>what's the temperature?
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The temperature rose 22 degrees
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3 years ago
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