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Elis [28]
4 years ago
12

Last month The Car Shop sold 36 white cars, 24 green cars, 4 black cars and 8 red cars. whisch statement is true?

Mathematics
2 answers:
Effectus [21]4 years ago
6 0
The final answer is B.
dimaraw [331]4 years ago
3 0
B because if you divide 36 with 4 which (no s in which btw) would give you 9 so it is b. hope i helped
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La edad de Ericka es el tripl de la edad de Liliana y hace 9 años la suma de sus edades era 22. ¿Cuantos años tiene actualmente
Gnom [1K]

Answer:

Liliana tiene 10 años.

Step-by-step explanation:

Definamos las variables:

E = edad de Ericka

L = edad de Liliana.

Primero sabemos que la edad de Ericka es el triple de la edad de Liliana, entonces:

E = 3*L

Tambien sabemos que hace 9 años la suma de sus edades era 22

Hace nueve años la edad de Ericka era E - 9

Y hace nueve años la edad de Liliana era L - 9

Entonces tenemos:

(E - 9) + (L - 9) = 22

Así, tenemos un sistema de dos ecuaciones:

E = 3*L

(E - 9) + (L - 9) = 22

Queremos conocer la edad actual de Liliana.

Para ello tenemos que despejar E en una de las ecuaciones.

Podemos ver que en la primer ecaución E ya está aislada, entonces nos saltamos ese paso.

Ahora, reemplazamos E en la otra ecuación:

(E - 9) + (L - 9) = 22

(3*L - 9) + (L - 9) = 22

Ahora podemos resolver esto para L

3*L - 9 + L - 9 = 22

4*L - 18 = 22

4*L = 22 + 18

4*L = 40

L = 40/4 = 10

L = 10

Liliana tiene 10 años.

3 0
3 years ago
Sara can travel 23 feet in 11 hours. Please calculate Sara's rate of speed. (round to 2 decimal places)
kari74 [83]

Answer:

How do I ask a question on here?

Step-by-step explanation:

8 0
3 years ago
Rewrite the function by completing the square. f(x)=x2−9x+14f(x)= x^{2} -9 x +14 f(x)=x 2 −9x+14 f, left parenthesis, x, right p
Volgvan

Answer:

x² - 9x + 14 by completing the square is (x - 9/2)² - 25/4

Step-by-step explanation:

Given x² - 9x + 14

To rewrite by completing the square, we need to write this in the form (a + b)² or (a - b)² without changing the value of the expression.

(a + b)² = a² + 2ab + b² (equation 1)

(a - b)² = a² - 2ab + b² (equation 2)

x² - 9x + 14 = x² - 2(x)(9/2) + (9/2)² - 25/4 (equation 3)

Comparing (equation 3) with (equation 1) and (equation 2), we can see that it takes the form of (equation 1), though, surplus of 25/4, where a = x, and b = 9/2.

So

x² - 2(x)(9/2) + (9/2)² = x² - 2(x)(9/2) + 81/4 = (x - 9/2)²

Which means

x² - 9x + 14

= x² - 2(x)(9/2) + 81/4 - 25/4

= x² - 2(x)(9/2) + (9/2)² - 25/4

= (x - 9/2)² - 25/4

And the square is completed.

6 0
3 years ago
There are 48 jelly beans in a jar. The ratio of jelly beans
vlada-n [284]
There would be 16 purple Jelly Beans.
5 0
3 years ago
5y - 25x =10 <br><br><br> I need someone to help me solve this asap
ruslelena [56]

Answer:slope=10.000/2.000=5.000

x-intercept=2/5=minus 0.40000

y-intercept=2/1=2.00000

Step-by-step explanation:

8 0
3 years ago
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