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3 years ago

Which situation is best represented by the following equation? 45w + 123.95 753.95

Mathematics

1 answer:

myrzilka [38]3 years ago

7 0

Answer:

w=14

Step-by-step explanation:

753.95-123.95=630

630 divided by 45=14

So w=14

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Suppose we have a right triangle with legs of length a and b and hypotenuse of length c. Suppose b=3 and c=5. Then a= , For the

ANTONII [103]

Answer:

Length of right-angle triangle 'a' = 4

$sin(A) = \frac{opposite side}{Hypotenuse} = \frac{a}{c} = \frac{4}{5}$

$cos(A) = \frac{Adjacent side}{Hypotenuse} = \frac{b}{c} = \frac{3}{5}$

$tan(A) = \frac{opposite side}{Adjacent side} = \frac{a}{b} = \frac{4}{3}$

Step-by-step explanation:

Step(i):-

Given b = 3 and hypotenuse c = 5

Given ΔABC is a right angle triangle

By using pythagoras theorem

c² = a² + b²

⇒ a² = c² - b²

⇒ a² = 5²-3²

=25 - 9

a² = 16

⇒ a = √16 = 4

The sides of right angle triangle a = 4 ,b = 3 and c = 5

Step(ii):-

$sin(A) = \frac{opposite side}{Hypotenuse} = \frac{a}{c} = \frac{4}{5}$

$cos(A) = \frac{Adjacent side}{Hypotenuse} = \frac{b}{c} = \frac{3}{5}$

$tan(A) = \frac{opposite side}{Adjacent side} = \frac{a}{b} = \frac{4}{3}$

7 0

3 years ago

The perfect squares between 6 and 31

anygoal [31]

3 × 3 = 9
4 × 4 = 16
5 × 5 = 25

So, the perfect squares between 6 and 31 is :
{9, 16, 25}

7 0

3 years ago

given two angles that measure 50 and 80 and a side that measures 4 feet how many triangles if any can be constucted

Ierofanga [76]

There is only one triangle possible having angle 50, 50, 80.

<h3>What is isosceles triangle?</h3>

An Isosceles Triangle has the following properties:

Two sides are congruent to each other.
The third side of an isosceles triangle which is unequal to the other two sides is called the base of the isosceles triangle.

The two angles opposite to the equal sides are congruent to each other.

It is given that, 2 angles of a triangle as:

∠1 = 50°

∠2 = 80°

Now we know the Angle sum property of a triangle that sum all three interior angle in a triangle is $180^{0}$ .

i.e., ∠1+∠2+∠3= $180^{0}$ .

So, 50° +80°+ ∠3 = $180^{0}$

∠3 = 50°

As two angles of the triangle are equal that means it is a isosceles triangle.

There is no possibility of getting a right angles triangle.

Hence, there is only one triangle possible with these measurements .

Learn more about triangles here:

brainly.com/question/4987857

#SPJ1

3 0

3 years ago

Pls help!!

Elis [28]

I believe the answer is B

7 0

2 years ago

Read 2 more answers

If a rectangle has an area of 2x^2+7x+3 find the perimeter

nikdorinn [45]

Perimeter of a rectangle = 6x + 8

Solution:

Given area of a rectangle = $2x^2+7x+3$

Let us first factor the given polynomial.

$2x^2+7x+3=2x^2+x+6x+3$

$=(2x^2+x)+(6x+3)$

Taking out common terms in the above expression

$=x(2x+1)+3(2x+1)$

Taking out common term $2x+1$ in the above expression

$=(2x+1)(x+3)$

$2x^2+7x+3=(2x+1)(x+3)$

Area of a rectangle = l × b

Therefore, $l=2x+1$ and $b=x+3$

Perimeter of a rectangle = 2(l + b)

$=2[(2x+1)+(x+3)]$

$=2(2x+1+x+3)$

$=2(3x+4)$

$=6x+8$

The answer is same if you take l = x + 3 and b = 2x + 1.

Hence, perimeter of a rectangle = 6x + 8.

7 0

3 years ago