3 years ago

Find the roots of the quadratic equation 2x^2-x-4 =0

Mathematics

1 answer:

professor190 [17]3 years ago

7 0

Answer:

I hope it will help you...

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What’s the correct answer for this question?

xxMikexx [17]

Answer:

12.22

Step-by-step explanation:

To find HI, you have to use tangent. tanx= $\frac{opposite}{adjacent}$

tan(42°)= $\frac{11}{HI}$ , then you multiply HI to both sides of equation and divide tan(42).

To get <em>HI</em>= $\frac{11}{tan(42)}$

Which makes HI equal 12.2167

5 0

2 years ago

What is the area of the shaded triangle?

irinina [24]

Answer:

A = 1/2 × b × h

= (1/2 × 10 × 6)

= (5×6) metre sq.

= 30sq. metres

Thank you.

BY GERALD GREAT.

7 0

3 years ago

Can I get some help please

Mamont248 [21]

-2(-2)+3=7
-2(0)+3=3
-2(4)+3=-5

3 0

3 years ago

Simplify.<br><br> <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B8%2B6%5E2%7D%7B11%7D%20" id="TexFormula1" title=" \frac{8+6^2}{

Romashka [77]

$\frac{8 + 6^2}{11} + 7 \times 2 \\ \\ \frac{8 + 36}{11} + 7 \times 2 \ / \ simplify \\ \\ \frac{44}{11} + 7 \times 2 \ / \ simplify \\ \\ 4 + 7 \times 2 \ / \ simplify \\ \\ 4 + 14 \ / \ simplify \\ \\ 18 \ / \ simplify \\ \\$

The final result is 18.

4 0

3 years ago

Can somebody help me answer these plz?

Snezhnost [94]

number 2 would be 43

number 3 would be 40

5 0

3 years ago