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Fiesta28 [93]
2 years ago
6

Please help me!! Look at the picture! Please!!!!

Mathematics
1 answer:
mafiozo [28]2 years ago
3 0

Answer:

First let's find how much money the 4% is.

4/100 x 180 = <u>$7.20</u>

Now we add that sales tax to the cost of the telescope;

180 + 7.20 = $187.20, is what she'll pay in total.

You might be interested in
What does d equal in -24 + 12 (d - 3) + 22
zubka84 [21]

Answer:

-24+12(d-3)+22=-24+34(d-3)

10(d-3)

10d=-30

d=-30/10

d=3

4 0
3 years ago
Is it true that m || n?
AfilCa [17]

Answer:

False

Step-by-step explanation:

Lines m and n are not parallel

See attached that shows vertical segment of 6 units, its longer than the distance between the lines on the right and its shorter on the left

Parallel lines should have same distance at any point between them

6 0
2 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
3 years ago
????????????????????
a_sh-v [17]

Answer:

if you calculate y and x multiply i t and finf the diameter of the curve you should get it

maybe.........

5 0
3 years ago
Pasqual uses 645.6 quarts of water in 7 days. Suppose he uses the same amount of water each day. About how much water does Paqua
tigry1 [53]

Answer:

92.228

Step-by-step explanation:

He uses around 92.228 quarts of water each day, take the amount of water used in the 7 days and divide by 7 :)

7 0
2 years ago
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