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Alenkasestr [34]
3 years ago
12

I need help in these questions please !​

Mathematics
1 answer:
timama [110]3 years ago
6 0

Answer:

b,b.a

Step-by-step explanation:

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find the domain of y equals 4 multiplied by the square root of the quantity 4 multiplied by x plus 2 end of quantity. a. x is gr
Bingel [31]
y=4\sqrt{4(x+2)}\\\\D:4(x+2)\geq 0\ \ \ |divide\ both\ sides\ by\ 4\\\\x+2\geq0\ \ \ |subtract\ 2\ from\ both\ sides\\\\\boxed{x\geq-2}\to\boxed{c.}
7 0
3 years ago
Factor the polynomial completely. If the polynomial cannno be factored, sayit is prime
Vadim26 [7]
Ok so first, you can take out a greatest common factor, which is 2
You’ll be left with 2(x^2-3x-20)
I factored from there
Here’s my work
Hope this helps :)

5 0
3 years ago
1. ABCD is a trapezoid with midsegment EF. If AB = 12 and CD = 24, what is the length of EF?
natali 33 [55]
For all of these answers, the equation used was (AB + CD)/2 = EF

1.12+24=36    36/2=18
2. 21 + 35 = 56    56/2 = 28
3. (7 + EF)/2 = 9 
    multiply by 2
   7 + EF = 18
   subtract 7
EF = 11

4. (AB + 32)/2 = 22
Multiply by 2
AB + 32 = 44
Subract 32
AB = 12

5. Average
3 0
4 years ago
Read 2 more answers
SOMEONE PLEASE HELP ME WITH THIS !!!!!!
dem82 [27]

Answer:

36 stickers

Step-by-step explanation:

7 erasers in each bag

7 x 3 bags = 21 erasers total

57 - 21 =36

Equation:

Total items = 7x + 12y

7 0
3 years ago
Un terreno ha sido cultivado con tres variedades de claveles. La sexta parte ha sido sembrada por
Minchanka [31]

Answer:

1) Se siembra cinco doceavas partes del terreno con claveles rojos y amarillos, 2) Se siembra siete doceavas partes del terreno con claveles blancos.

Step-by-step explanation:

El enunciado se encuentra incompleto. La pregunta faltante es:

2 ¿Qué parte del terreno corresponde a los claveles blancos?

1) Sea A el área total sembrada con los tres tipos de claveles. Entonces, las áreas sembradas con claveles rojos y claveles amarillos son \frac{1}{6}\cdot A y \frac{1}{4} \cdot A, respectivamente.

El área sembrada con claveles rojos y amarillos se obtiene al sumar las áreas correspondientes, es decir:

x = \frac{1}{6}\cdot A + \frac{1}{4}\cdot A

x = \left(\frac{1}{6}+\frac{1}{4}\right)\cdot A

x = \left(\frac{4+6}{24} \right)\cdot A

x = \frac{10}{24}\cdot A

x = \frac{5}{12}\cdot A

Se siembra cinco doceavas partes del terreno con claveles rojos y amarillos.

2) El área sembrada con claveles blancos se obtiene al sustraer el área obtenida en el punto anterior del área total. Esto es:

x = A - \frac{5}{12}\cdot A

x = \left(1-\frac{5}{12} \right)\cdot A

x = \left(\frac{12}{12}-\frac{5}{12}  \right)\cdot A

x = \left(\frac{12-5}{12} \right)\cdot A

x = \frac{7}{12}\cdot A

Se siembra siete doceavas partes del terreno con claveles blancos.

8 0
4 years ago
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