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Free_Kalibri [48]
3 years ago
7

Can anybody help me with this and show work ?? :)

Mathematics
1 answer:
zalisa [80]3 years ago
6 0

Answer: C.

Step-by-step explanation:

If ABCD gets rotated 180ᴼ, you will be able to see the reflection of ABCD to A’B’C’D’. Then just reflect across the x-axis (horizontal) to transform ABCD onto A’B’C’D’.

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ILL GIVE BRAINIEST TO WHOEVER IS CORRECT!! PLEASE HELP ASAP!!
IrinaK [193]

Answer:

a) angle CAR =angle BAR

Im so sorry if im wrong

3 0
3 years ago
The probability a train car will be full is 60%. Which word or words best describes the likelihood the train car will be full?
allsm [11]

Answer:

C-highly likely

Step-by-step explanation:

its bigger than 45 so closer to 100%

5 0
3 years ago
Read 2 more answers
If you are adding two fractions that are both greater than 1/2, what must be true about the sum? Give three examples to support
slavikrds [6]

Answer:

The sum must be greater than 1

Step-by-step explanation:

Two fractions that are greater than 1/2 let's say

<u>Example 1</u>

3/4 and 7/8, the sum will be

3/4+7/8 with LCM of denominator as 8 sum=\frac {(3*2)+7}{8}=\frac {13}{8}=1\frac {5}{8} which is more than 1

<u>Example 2</u>

6/9 and 5/8 with the LCM of denominator as 72, the sum=\frac {(6*8)+(5*9)}{72}=\frac {93}{72}=1\frac {7}{24} which is greater than 1

<u>Example 3</u>

8/9 and 7/9 with the LCM of denominator as 9, the sum=\frac {8+7}{9}=\frac {15}{9}=1\frac {2}{3} which is greater than 1

3 0
4 years ago
Camilo practica tiro al blanco. En cada disparo acertado puede obtener 5, 8, o 10 puntos. En su última práctica, su puntuación t
Radda [10]

Answer:

20 disparos

Step-by-step explanation:

Primera etapa es de determinar cuantos tiros de Camilo acertaron al blanco.

Sabemos que en su última práctica, obtuvo 99 puntos con una mezcla de 5, 8 y 10 puntos.  Eso puedo se exprimir así:

5x + 8y + 10x = 99

Sabemos también que el obtuvo tantos tiros de 8 puntos que de 10 puntos, entonces

y = z

Podemos mezclar las 2 ecuaciones y substituir y por z:

5x + 8y + 10y = 99

5x +18y = 99

Una ecuación, dos variables... no es fácil... pero son números pequeños y se puede intentar soluciones.  Entonces, cuantas veces podemos multiplicar 5 y 18 para obtener 99?

El más simple es de hacer la tabla de multiplicación de 18 y ver cual número nos deja con un multiple de 5.

18 x 1 = 18 (99 - 18 = 81, no un multiple e 5)

18 x 2 = 36 (99 - 36 = 63, no un multiple de 5)

18 x 3 = 54 (99 - 54 = 45, SI, un multiple de 5)

18 x 4 = 72 (99 - 72 = 27, no un multiple de 5)

18 x 5 = 90 (99 - 90 = 9, no un multiple de 5)

Entonces, sabemos que y = 3 y z = 3

5x + 18 (3) = 99

5x + 54 = 99

5x = 45

x = 9

El tiró 9 veces por 5 puntos, 3 veces por 8 puntos y 3 veces pour 10 puntos.

En total tiró 15 veces.

Si acertó 75% (3/4) de las veces, cuantos tiros total?

\frac{15}{3/4} = \frac{15 * 4}{3} = 20

Camilo tiró 20 veces en total.

8 0
4 years ago
What is the value of x in the equation 1/5x-2/3y=30,when y =15?
evablogger [386]
1/5x + 2/3(15) = 30

1/5x +10 = 30

1/5x = 20

x = 20 * 5

x = 100
4 0
3 years ago
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