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Tpy6a [65]
3 years ago
13

9.

Mathematics
1 answer:
sleet_krkn [62]3 years ago
4 0

Answer:

D. 4x + y ≥ 4

Step-by-step explanation:

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Quadratic Equations of the form ax²+ b×+ c=0<br> ײ+3×-54=0 ?
mart [117]

Answer:

factored form is (x+9)(x-6)

Step-by-step explanation:

attached

you're welcome :>

8 0
3 years ago
Your gas tank has approximately 78.1% of fuel left. If the tank can old 30 gallons, how much is left?
andrey2020 [161]

Answer:

23.43 gallons.

Step-by-step explanation:

30*0.781 which is 23.43 gallons.

Hope this helps!

Merry Christmas!

4 0
3 years ago
F(-4) for f (x) = -4x+9<br>f(-4)=?
Dovator [93]

F(x)= -4x+9

Multiply f*x

xF=9+4x

Solve for X: -4x+xF=9+4x-4x=0

Combine like terms: -4x+4x=0

-4x+xF=9+0= 9

-9+-4x +xF = 0.

3 0
3 years ago
Christine bought 4 sandwiches and 5 bowls of soup, spending $38.50.Adam spent $47.25 to buy three sandwiches and nine bowls of s
ikadub [295]
Sandwiches are $5.25 Bowls are $3.50

4x+5y=38.50
3x+9y=47.25
4 0
3 years ago
Help pls, Which graph correctly shows point A representing z1 − z2 on a complex plane where z1 and z2 are complex numbers?
Marianna [84]

Answer:

The first diagram is the correct one

Step-by-step explanation:

Notice that the subtraction of two complex numbers (z1- z2) implies the use of the opposite for the real and imaginary part of the complex number that is subtracted (in our case of z2). When we do such, the complex number z2 gets reflected about the origin (0,0), and then the real components of the two numbers get added among themselves and the imaginary components get added among themselves.

The diagram that shows such reflection about the origin [ z2 = 3 + 5 i being converted into -3 - 5 i] and then the combination of real parts [-3 + 5 = 2] and imaginary parts [-5 i - 3 i = - 8 i], is the very first diagram shown.

4 0
3 years ago
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