3 years ago

Determine whether

1 answer:

Alina [70]3 years ago

3 0

Answer:

Grade 8 Worktext-Science Quarter 3

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stepan [7]

I would say D because, it makes sense the most, absolute values make the negatives positive, so the order that D goes in is correct.

8 0

3 years ago

katrin2010 [14]

First simplify then solve.

$4x^2+20x+25=49 \\4x^2+20x-24=0 \\4(x^2+5x-6)=0 \\x^2+5x-6=0\Longrightarrow(x+6)(x-1)=0 \\\boxed{x_1=-6, x_2=1}$

We find there are two solutions. In your case the correct answers are A, C, D

Hope this helps.

r3t40

Hope this helps.

r3t40

7 0

3 years ago

Andreas93 [3]

The answer is $25.70. i hope i helped

4 0

3 years ago

Mrac [35]

Answer:

b) 43.3

Step-by-step explanation:

you use the trig ratio tangent because you are looking for the hypotenuse

so the equation should be <u>tan60</u> = <u>x </u>

1 25

and then you solve for that by cross multiplying and you get 43.3

3 0

3 years ago

STatiana [176]

Answer:

498.03

Step-by-step explanation:

7 0

3 years ago