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algol13
3 years ago
10

Which of the following is an example of a complex formula? A. =150*.05 B. =A1

Mathematics
1 answer:
marusya05 [52]3 years ago
5 0
 The answer is A. bc of the point 
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A biologists uses the equation l = 2a + 13.1 to estimate the length (l), in centimeters, in terms of the age (a), in months. Bas
steposvetlana [31]

Answer:

b = 3.1

Step-by-step explanation:

Since the length of one of the longer sides, a, has been given to be 6.3, plug it into the equation.

2(6.3) + b = 15.7

12.6 + b = 15.7

b = 15.7 - 12.6

3 0
3 years ago
Find the distance between the points
maksim [4K]

Answer:

4.8

Step-by-step explanation:

(7, 7.6) (7, 2.8)

√(x2 - x1)² + (y2 - y1)²

√(7 - 7)² + (2.8 - 7.6)²

√(0)² + (-4.8)²

√(23.04)

= 4.8

4 0
3 years ago
On ITV's Homework Hotline, it's time for "Rudolf's Rules." If you guess what rule Rudolf is using you get a prize. Someone puts
oee [108]

Answer:

y = 3x -18 ( where y =  balls sent back by Rudolf; x= balls  given to Rudolf)

Step-by-step explanation:

x (Balls given)       y( Balls sent back)

8                             6                    Δy/Δx  = (27-6)/(15-8) =  3

15                            27

25                           57                 Δy/Δx  = (57-27)/(25-15) =  3

Observing the number sequence shows constant gradient and as such we can use equation of a straight line to relate the two variables.

Using the equation of a straight line we have:

(y-y1)/(x-x1) =  (y2-y1)/(x2-x1)

y-6/x-8  =       (27-6)/(15-8)

y-6/x-8  =    3

y-6        =  3(x-8)

y-6  = 3x - 24

y = 3x-18

7 0
3 years ago
HELP WILL MARK AS BRAINLIST
Alinara [238K]

Hi!

Given:

\frac{x}{-1} > -6

Multiply both sides by -1

x

<em>Notice the sign was flipped. This is because when you multiply or divide by a negative number, you must always flip the sign!</em>

<u>Now, for the graph:</u>

-------------------------------------------------------------------------------------------------------------

For < or > signs, it should be an open circle. For \leq or \geq signs, it should be closed.

Since x is less than 6, it should go to the left. Since it's a < symbol, it should be open. Therefore your answer is B.

(looks like you were right!!)

4 0
2 years ago
7 copies 0f 1 fourth what does it equal
kvasek [131]
7 copies I assume means multiplication. 7 x 1/4=7/4. When multiplying fractions, the numerator is multiplied.
8 0
2 years ago
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