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ElenaW [278]
3 years ago
9

Where to Dig: You now know that the dinosaur's ribs and arms are at the solution to the system of equations below. Solve the sys

tem and find the fossil! Y = 0.5x + 3.5 y = –0.75x + 37.25
Mathematics
2 answers:
Brrunno [24]3 years ago
8 0

Answer:

{\huge{\pink{\underline{\underline{Solution}}}}}

The dinosaurs ribs and arm are the solution of given equation..

For solving the equation we have,

y=0.5x + 3.5

y= –0.75x + 37.25

A/Q

y=y\\=>0.5x + 3.5= –0.75x + 37.25\\=>0.5x+(-0.75x)=3.5+37.25\\=>1.25x=33.75\\=>x= \frac{33.75}{1.25} \\=>x=27

Now,putting the value of x....find the value of y..

y=0.5x+3.5

=>y=0.5(27)+3.5

=>y=17

thus,x=27

y=17

So,no. of dinasaur ribs=x=27

No. of dinasaur arms=y=17

mestny [16]3 years ago
7 0

Answer:

x = 27 and y = 17 is the solution the the given pair of equations.

Number of dinosaur's rib = x = 27

Number of dinosaur's arm = y = 17

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harkovskaia [24]

26 divided by 2 is 13

13 divided by 2 is 6.5

6.5 + 6.5 = 13


5 0
3 years ago
The lines y1 = 2x - 6, y2 = -3x + 4, y3 = -1/2x + 4 intersect to form the sides of a right triangle. Find the perimeter and area
tino4ka555 [31]

The area and perimeter of the triangle is 2/5 square units and (2√10 + 4√5) / 5 units

<h3>Determining the perimeter and area of the triangle giving line equation</h3>

In order to determine the area and perimeter of the lines, we will plot the giving lines, determine the point of intersection and then use the Pythagoras theorem to determine the dimension of the right triangle.

The points of intersection of the line are;

(x₁, y₁) = (- 0.4, 5.2),

(x₂, y₂) = (-0.8, 4.4),

(x₃, y₃) = (0, 4)

Determine the base

b² = c² -a²

b = √(-0.8)² + (4 - 4.4)²

b = 2√5 / 5

Determine the height

h = √((- 0.4) - (- 0.8))² + (5.2 - 4.4)²

height = 2√5 / 5

For the hypotenuse

r = √2 · b

r = 2√10 / 5

<h3>Determine the Perimeter and area</h3>

Perimeter = s1+s2+s3

Perimeter = 2√5 / 5 + 2√5 / 5 + 2√10 / 5

Perimeter = (2√10 + 4√5) / 5 units

<u>For the area</u>

area = 1/2* base * height

A = 0.5 · (2√5 / 5) · (2√5 / 5)

A = 2/5 square units

Hence the area and perimeter of the triangle is 2/5 square units and (2√10 + 4√5) / 5 units

Learn more on area and perimeter of triangles here: brainly.com/question/12010318

#SPJ1

3 0
1 year ago
Ahmad,Barry,andTara collected some seashells.Ahmad collected 1 over 6 of the seashells,Barry collected 1and 2 of thr seashell, a
VashaNatasha [74]
Ahmad = 1/6 
Barry = 1/2
Tara = 1 - 1/6 - 1/2 = 1/3

1/3 of the seashells = 76
3/3 of the seashells = 76 x 3
3/3 of the seashells = 228

----------------------------------------------------------------------------
Answer: They had 228 seashells altogether.
----------------------------------------------------------------------------
4 0
3 years ago
How many solutions will there be to the following equation?
Akimi4 [234]

Answer:

C. 1 solution

Step-by-step explanation:

I calculated logically

7 0
2 years ago
Can someone help me :(
White raven [17]

Answer:

19 ft.

Step-by-step explanation:

Pytahgorean theorm. A^2 + B ^2 = C^2

49 + 100 = 149

Square root the 149, which is ~12

That means the hypotenuse is twelve feet, and with the base of the pole being seven, the pole was originally 19 feet tall.

4 0
3 years ago
Read 2 more answers
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