3 years ago

Can someone explain this to me?

Mathematics

1 answer:

kiruha [24]3 years ago

6 0

Which question. A) B) or C)

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30-[11+{18-(48÷8×2)}+7]+15

Inessa05 [86]

30-(11+(18-(48/8×2))+7)+15

= 30-(11+(18-12)+7)+15

= 30-(11+6+7)+15

= 30-24+15

= 21

3 0

3 years ago

A parabola has zeros at (5,0) and (-3,0) and passes through point (6,18) determine the axis of symmetry

worty [1.4K]

Answer:

The axis of symmetry is $x=1$

Step-by-step explanation:

we know that

In a vertical parabola, the axis of symmetry is equal to the x-coordinate of the vertex

In this problem we have a vertical parabola open upward

The x-coordinate of the vertex is equal to the midpoint between the zeros of the parabola

$x=\frac{5-3}{2}=1$

therefore

The axis of symmetry is $x=1$

5 0

3 years ago

Please help me with this.

scoray [572]

The top row, on the right.

hope it helps

8 0

3 years ago

Read 2 more answers

148=3x+3+4x+1 solve

Andreas93 [3]

Answer: 20.57142857

Step-by-step explanation:

148 = 3x + 3 + 4x + 1

Step one: combine like terms

148 = 7x + 4

Step 2: Subtract the 4 over to 148

144 = 7x

Step 3: Divide 7 on both sides

20.57142857 = x

6 0

3 years ago

What is the product in simplest form? State any restrictions on the variable.

Masteriza [31]

I factor it because you can't simplify

2x-8=2(x-4)
X^2+5x+4=(x+1)(x+4)
X^2-16=(x-4)(x+4)
X^2+8x+16=(x+4)(x+4)

8 0

3 years ago