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stellarik [79]
3 years ago
11

Selcet the correct story problem

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
8 0

Answer:

i think C

Step-by-step explanation:

MissTica3 years ago
4 0

Answer:

C

Step-by-step explanation:

a and b you are trying to find area and d the fractions are backwards therefore that leaves c

I hope this helps

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Please help asap ill give 5 stars if right and I really need help
Murljashka [212]

Answer:

The scale factor is 3

Step-by-step explanation:

The width of A is 1, the width of B is 3

the length of A is 3, the length of B is 9 so the scale factor from A to B is 3

5 0
3 years ago
Read 2 more answers
Tienes un triángulo equilátero con lados de 10cm, lo divides en dos partes de manera horizontal tal que el área de ambos figuras
Tanya [424]

Answer:

x = 10/√2 ≈ 7.07

Step-by-step explanation:

Comenzaremos por dividir el triángulo en dos partes y definir H, como en la figura adjunta.

Aplicando el teorema de Tales, sabemos que:

\dfrac{l/2}{H}=\dfrac{x/2}{h}\\\\\\\dfrac{l}{H}=\dfrac{x}{h}

También sabemos que, dado que el tirángulo menor es la mitad que el triángulo mayor, la relación entre áreas es:

\dfrac{A}{A_x}=\dfrac{lH/2}{xh/2}=\dfrac{lH}{xh}=2

Dado que formamos dos triángulos rectángulos, podemos despejar el valor de H como:

(l/2)^2+H^2=l^2\\\\H^2=l^2-(l/2)^2=10^2-5^2=100-25=75\\\\H^2=\sqrt{75}

Podemos entonces despejar x de la siguiente manera:

h=\dfrac{H}{l}\cdot x=\dfrac{lH}{2x}\\\\\\2x^2\dfrac{H}{l}=lH\\\\\\2x^2=l^2\\\\\\x=\dfrac{l}{\sqrt{2}}=\dfrac{10}{\sqrt{2}}\approx7.07

6 0
3 years ago
Our difference is 12. Our product is 81. What are the two numbers.
Delicious77 [7]
16.81665382639196787 x 4.81665382639196787

80.99999999999999982646270300946414412

All you have to do is figure out the rest of the decimal places.  I couldn't go any farther. Good luck! 
7 0
3 years ago
write an equation in slope intercept form of the line that passes through (3,1) and has a y-intercept of-2
attashe74 [19]
your answer would be y = 1/5x -2
3 0
3 years ago
If y=3x^3+x^2-5 and z=x^2-12 what polynomial is equivalent to 2(y+z)
marysya [2.9K]

Answer:

2y + 2z

6x³+2x²-10 + 2x²-24

6x³+4x²-34 ■

Step-by-step explanation:

6 0
3 years ago
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