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harina [27]
3 years ago
8

The answer sgdgg fjdkfkskdj k kxididicjjvi j isfic

Mathematics
2 answers:
Masteriza [31]3 years ago
7 0
I don’t know what it is cause I can’t see the photo
solong [7]3 years ago
5 0

-3 because i dont really know

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This is my last question please help me
anastassius [24]

Answer:

Angle ADC = 80 degrees

Step-by-step explanation:

Here, we want to find the measure of angle ADC

mathematically, sum of angles at a point is 360

Thus;

x + 3x + x + 10 = 360

5x + 10 = 360

5x = 360-10

5x = 350

x = 350/5

x = 70

From the diagram;

angle ADC is (x + 10)

so we have; (70 + 10) = 80 degrees

7 0
3 years ago
Mr. Mole left his burrow and started digging his way down at a constant rate. Time (minutes) Altitude (meters) 666 -20.4−20.4min
Juli2301 [7.4K]

Answer:

-6 meters.

Step-by-step explanation:

We have been given Mr. Mole left his burrow and started digging his way down at a constant rate.

We are also given a table of data as:

Time (minutes)     Altitude (meters)

6                                   -20.4

9                                   -27.6

12                                   -34.8

First of all, we will find Mr. Mole's digging rate using slope formula and given information as:

m=\frac{y_2-y_1}{x_2-x_1}, where,

y_2-y_1 represents difference of two y-coordinates,

x_2-x_1 represents difference of two corresponding x-coordinates of y-coordinates.

Let (6,-20.4) be (x_1,y_1) and (9,-27.6) be (x_2,y_2).

m=\frac{-27.6-(-20.4)}{9-6}

m=\frac{-27.6+20.4}{3}

m=\frac{-7.2}{3}

m=-2.4

Now, we will use slope-intercept form of equation to find altitude of Mr. Mole's burrow.

y=mx+b, where,

m = Slope,

b = The initial value or the y-intercept.

Upon substituting m=-2.4 and coordinates of point (6,-20.4), we will get:

-20.4=-2.4(6)+b

-20.4=-14.4+b

-20.4+14.4=-14.4+14.4+b

-6=b

Since in our given case y-intercept represents the altitude of Mr. Mole's burrow, therefore, the altitude of Mr. Mole's burrow is -6 meters.

6 0
3 years ago
Read 2 more answers
חן
N76 [4]

Answer:

Step-by-step explanation:

This is a fascinating question. It turns out to be true because of the relationship between a 30 degree angle and a 60 degree angle

The answer is that the product of sin30*sin60 = cos(30)*cos(60). This happens because sin(60) = cos(90-60) = cos(30)

Other angles will do the same thing sin36 * sin54 = cos(54)*cos(36)

8 0
2 years ago
Work out the reciprocal of 3.5
horsena [70]

Answer: 2/7

Step-by-step explanation: change the number into fraction form, reduce it and reverse the numerator and denominator.

3 0
3 years ago
The tallest tree in the world is 379 feet tall. How tall will each of the trees be in the year 2030 if their models continue? Is
tresset_1 [31]

Models are patterns that are used to predict measurements and populations

<h3>How to model the tree</h3>

The question is incomplete, as the model and the dataset to model that growth of the tree are not given.

So, I will give a general explanation

If the model of the tree follows a linear model (e.g y = 2x + 3), then the model is not reasonable.

This is so because, population and growth cannot be measured by a linear model

However, if the growth of the trees follow an exponential model (e.g y = 2(3)^x), then the model is reasonable

Read more about mathematical models at:

brainly.com/question/24282972

3 0
2 years ago
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