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lidiya [134]
3 years ago
10

I need need help on this single graph. I just need a scale for it. By the way, I will mark you brainliest

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
6 0

Answer:

2 units rep 5cm

Step-by-step explanation:

plz give me brainiest

VladimirAG [237]3 years ago
5 0

Answer:

Depth(m) on the x-axis make the scale each 5 squares is 5 like 0, 5,10,15,20,25,30

Number of bubbles on the y-axis and make the scale each 5 squares 10.

Put the points of Plant A and on the same graph put points Plant B

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Find the slope of the line that passes through (10, 9) and (3, 18).
MakcuM [25]

Answer: Slope of the line is -9/7

Step-by-step explanation:

Given :

Points : (10,9) and (3,18)

Now slope of line when two points are given

m=\frac{y2-y1}{x2-x1}

Slope = \frac{18-9}{3-10}

m=\frac{9}{-7}

m=\frac{-9}{7}

This is an improper fraction since numerator is greater than the denominator

Hence slope of the line is -9/7

4 0
3 years ago
The secant of a circle also contains what other part of a circle?
DochEvi [55]
The answer is: Chord.
I just had this exact question on an exam. 
Your welcome!
4 0
3 years ago
How do you find the percent error of an estimate and the actual number
suter [353]
Divide the estimated number by the exact number and multiple by 100
8 0
3 years ago
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
A speedometer has a percent error of 10%. The actual speed of the car is 40 mph. Select from the drop-down menus to correctly co
rodikova [14]

Answer

Answer

The speedometer is likely to show the speed is either 36.0 mph or 44.0 mph.        

To prove

Formula

Percentage\ error = \frac{error\times 100}{Exact\ value}

Where error = |Approx value - Exact value |

First case

As given

A speedometer has a percent error of 10%. The actual speed of the car is 40 mph.    

Here

Percentage error = 10%

Exact value = 40 mph

error = - (Approx value - Exact value )

          = - (Approx value - 40 )

          = - Approx value + 40

Put in the formula

10 = \frac{(-Approx\ value + 40)\times 100}{40}

400 = {(-Approx\ value + 40)\times 100}

\frac{400}{100} =-Approx\ value + 40      

\4 =-Approx\ value + 40      

Thus

Approx value = 40 - 4

Approx value = 36 mph

Therefore Option (b) is correct .

Second Case

error =  (Approx value - Exact value )

          =  (Approx value - 40 )

          =  Approx value - 40

Put in the formula

10 = \frac{(Approx\ value - 40)\times 100}{40}

400 = {(Approx\ value - 40)\times 100}

\frac{400}{100} = Approx\ value - 40      

\4 = Approx\ value - 40      

Thus

Approx value = 40 + 4

Approx value = 44 mph

Therefore Option (c) is correct .

4 0
3 years ago
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