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ollegr [7]
3 years ago
10

Fernanda midió con su regla el grosor de varios de esta. Observa los siguientes fragmentos de la regla de la regla a la que se l

es hicieron varias ampliaciones y ubica un número que esté entre los dos marcados para aproximar el grosor de cada objeto

Mathematics
1 answer:
hammer [34]3 years ago
8 0

Answer:

Para reconocer el numero medido entre los dos números marcados podemos medir la "distancia" o diferencia entre ellos.

Para ello, simplemente debemos calcular la diferencia, entonces tenemos:

Barra de metal:

Los extremos son 3.5 y 3.6, la diferencia es:

3.6 - 3.5 = 0.1

Lamina de cartón:

Los extremos son 0.17 y 0.18, la diferencia es:

0.18 - 0.17 = 0.01

Tira de madera:

Los extremos son 1.24 y 1.25, la diferencia es:

1.25 - 1.24 = 0.01

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Which of the following is perfect square trinomial. Ive asked 4 times. Please Help. Will give brainlilest
Nutka1998 [239]

Answer:

D

Step-by-step explanation:

a perfect square trinomial is

a^2x^2\pm2(ab)xy+b^2y^2

factorized is

(ax\pm by)^2

so as you can see option A and B can't be, because they have -49y^2 and it has to be plus

so the other options are C and D

in the trinomial a=4 and b=\pm 7

the roots of a^2 and b^2

\pm2abxy=\pm2(4)(7)xy\\\\=\pm56xy

so it's option d with b=-7

16x^2-56xy+49y^2

6 0
3 years ago
Julissa is running a 10-kilometer race at a constant pace. After running for 18 minutes, she completes 2 kilometers. After runni
vodomira [7]
First, we need her speed as it will serve as the slope of the equation.
Distance = 2 km
time = 18 min
Speed = 1/9 km/min
k = (1/9)t
Where k is the distance in km and t is the time in minutes.
6 0
3 years ago
Given that a × 70 = b<br> work out the value of<br> Your final line should say, 3b/a =...
alukav5142 [94]

a/q b/a=70 so ans will be 210

8 0
3 years ago
- 12x +5y = 2<br> -3x+3y=-3
zlopas [31]
(3,2) is the answer of the system of equations.
6 0
3 years ago
Rewrite the expression using the distributive property and collecting like terms
Bumek [7]
12x would be the answer
3 0
3 years ago
Read 2 more answers
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