3 years ago

Can someone teach me how to solve this please

1 answer:

7 0

Multiply it all together

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otez555 [7]

(y+2) (x+5) this your answer

5 0

3 years ago

Levart [38]

Distribute
10+4x+4+5

Combine like terms
19+4x

Final answer: 4x+19

4 0

3 years ago

azamat

The First is sec^2(x). Second is 2sec^2tanx. From that you get 2[2sec^2xtan^x+sec^4x]

4 0

3 years ago

yaroslaw [1]

Answer:

15/7 or 2.142

Step-by-step explanation:

x=3/7×5

x=15/7

3 0

2 years ago

frutty [35]

Part A

$-16x^2 + 60x+16=0\\\\4x^2 - 15x-4=0\\\\(4x+1)(x-4)=0\\\\x=-\frac{1}{4}, 4$

Part B

The vertex of the graph will be a maximum because the leading coefficient is negative.

The x coordinate of the vertex is $-\frac{60}{2(-16)}=\frac{15}{8}$ .

When x=15/8, $f\left(\frac{15}{8} \right)=\frac{289}{4}$ .

So, the vertex has coordinates $\left(\frac{15}{8}, \frac{289}{4} \right)$

Part C

Plot the two x-intercepts and the vertex and then draw a curve in the shape of a parabola passing through them.

The graph is in the attached image.

3 0

2 years ago