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Dahasolnce [82]
3 years ago
9

The area of a triangle

Mathematics
2 answers:
Naya [18.7K]3 years ago
8 0
The formula to solve the area of a triangle would be 1/2 times the base times the height.
krok68 [10]3 years ago
5 0
The area of a right angled triangle is:

{ A }_{ 1 }=\frac { 1 }{ 2 } ab

<em>*Width would have to be equal to (a) and the length would have to be equal to (b).</em>

The area of an irregular triangle would be:

{ A }_{ 2 }=\frac { 1 }{ 2 } ab\cdot \sin { C }
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Refer to pictures help asap please
ratelena [41]

Answer:

x = 76.58°

Step-by-step explanation:

hyp = 13.41

tan = opp/adj

tan = 1/2 = 26.57

x = 76.58

4 0
3 years ago
Determine the factors of x2 − 7x − 10. (5 points) a (x + 2)(x − 5) b Prime c (x − 2)(x + 5) d (x + 10)(x − 1)
Savatey [412]

For this case we must factor the following expression:

x ^ 2-7x-10

To factor, we must find two numbers that when added together give -7 and when multiplied by -10.

It is observed that there are not two whole numbers that comply with the aforementioned.

Thus, the following equation applies:

x = \frac {-b \pm\sqrt{b ^ 2-4 (a) (c)}} {2 (a)}

Where:

a = 1\\b = -7\\c = -10

We replace:

x = \frac {- (- 7) \pm \sqrt {(- 7) ^ 2-4 (1) (- 10)}} {2 (1)}\\x = \frac {7 \pm \sqrt {49 + 40}} {2}\\x = \frac {7 \sqrt {89}} {2}

So, the roots are:

x_ {1} =\frac {7+ \sqrt {89}} {2}\\x_ {2} =\frac {7- \sqrt {89}} {2}

Answer:

x_ {1} =\frac {7+ \sqrt {89}} {2}\\x_ {2} =\frac {7- \sqrt {89}} {2}

6 0
3 years ago
The diameter and height of this cylinder are equal to the side length, S, of the cube in which the cylinder is inscribed. What i
N76 [4]
Volume of Cylinder = \pi r^{2}h
Based on what we're told:
r (radius) = \frac{s}{2}
h (height) = s
So:
Volume of cylinder = \pi (\frac{s}{2})^{2}(s)
= \frac{1}{2}s^{3} \pi
6 0
3 years ago
You buy 24 keyboards for $120 each less 15%. What is your subtotal before taxes?
kotykmax [81]
<span>First, you need to take the 15% off from the $120 so it will make it easier for you to calculate later. Since there is 15% off, your $120 becomes only $102. Since your keyboards only costs $102 each now, you just have to multiply the number of keyboards you wanted to the less price. $102 multiplied by 24 keyboards is equals to $2,448. We don’t have to add taxes because it is stated that we are just looking for SUBTOTAL before taxes. The answer is A. $2,448. <span>
</span></span>
5 0
3 years ago
Read 2 more answers
You start a savings account and on the first week you deposit $2. Every
vlada-n [284]

Answer:

558 weeks

Step-by-step explanation:

let x = number of weeks

this equation can be derived from the question

2 + 1x = 560

collect like terms

x = 560 - 2

x = 558

5 0
3 years ago
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