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notsponge [240]
3 years ago
6

F(x)=x2−2x−4 and g(x)=45x−2

Mathematics
1 answer:
Elina [12.6K]3 years ago
5 0

Answer:

x=3.4 and x=2.5

Step-by-step explanation:

i took an exam and got it right

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17 is what percent of 200?<br>step by step please!
zaharov [31]
Ok first you need to take 17 and turn that into a decimal which would be .17 because it is a percentage of 100.
Next you need to multiply .17 and 200.
Then you will get your answer 34.
YOU CAN CHECK YOUR WORK BY DIVIDING 34 BY .17
6 0
3 years ago
Read 2 more answers
NUMBER 4 DO ANYONE KNOW IT PLEASE HELP
ss7ja [257]

Answer:

The Height of the cliff is 41.5 meters tall.

Option B. 41.5 meters.

Step-by-step explanation:

Given:

AB = 85 meter

Angle of elevation ∠ C= 26°

To Find:

Cliff height = AB = ?

Solution:

In right angle Triangle ABC by tangent Identity we have

\tan C = \frac{\textrm{side opposite to angle C}}{\textrm{side adjacent to angle C}}

Substituting the given values we get

\tan 26 = \frac{AB}{BC}=\frac{AB}{85}

\therefore AB=85\times 0.4877=41.45=41.5\ meters

The Height of the cliff is 41.5 meters tall.

7 0
3 years ago
In a recent Super Bowl, a TV network predicted that 25 % of the audience would express an interest in seeing one of its forthcom
AleksAgata [21]

Answer:

The right solution is "-8.25".

Step-by-step explanation:

The given values are:

Sampled people,

n = 150

Null and alternative hypotheses will be:

H_0:p=0.53

Ha:p\neq 0.53

The z-statistics will be:

⇒ z=\frac{\bar{p}-p_0}{\sqrt{\frac{p_0(1-p_0)}{n} } }

On substituting the values, we get

⇒    =\frac{0.2-0.53}{\sqrt{\frac{0.53(1-0.53)}{150} } }

⇒    =\frac{-0.33}{\sqrt{\frac{0.24}{150}} }

⇒    =\frac{-0.33}{0.04}

⇒    =-8.25

7 0
3 years ago
Use the remainder theorem and the factor theorem to determine whether (b + 4) is a factor of (b3 + 3b2 − b + 12).
Elenna [48]
Use synthetic division.  Look at my attachment below for a detailed explanation.  If the remainder is 0 (which it is), then it's a factor.


Download pdf
8 0
3 years ago
A rectangular tank is 100cm, 30cm wide and 12cm deep. The volume of liquid it will hold is?
konstantin123 [22]
Assuming that you mean 100cm in length, I think I know the answer, but message me if I’m wrong so that I can correct myself!!!

Volume is L • W • H where L is length, W is width, and H is height.

To find the volume you have to multiply all the dimensions, so 100 * 30 * 12 = 36,000, and since its 3 dimensional we use cm^3 which is centimetres cubed.
5 0
3 years ago
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