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vovangra [49]
3 years ago
11

Find m<adc.please dhdhdhd

Mathematics
1 answer:
Alexus [3.1K]3 years ago
4 0
They both are complementary angles i.e their sum must equals 90°

4x+ 31 + 6x + 39 = 90
10x + 70 = 90
10x = 90-70
10x = 20
x = 2


we have to find angle ADC
just put the value of x in that expression for that angle.

angle ADC = 6x + 39 = 6 (2)+39 = 12 + 39 = 51°

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2x +(3y+8z)=(2x+3y)+8z an example of which property?
lyudmila [28]
C. Associative Property
8 0
3 years ago
[please help asap!]
Citrus2011 [14]

Answer:

(a+b)^2 = a^2 + 2ab + b^2

(a-b)^2 = a^2 - 2ab + b^2

(a-b)(a+b) = a^2 - b^2

Step-by-step explanation:

They differ because you can either add the property or multiply

5 0
3 years ago
There are 376 students in 8th grade at Samuel's school. There are 47 8th graders trying out for football last Thursday. What per
statuscvo [17]

Answer:

87.5%

Step-by-step explanation:

There are 376 students in 8th grade at Samuel's school. There are 47 8th graders trying out for football last Thursday.

The number is students not trying out for football last Thursday is calculated as:

376 students - 47 students

= 329 students

The percent of 8th graders that did not try out for football is calculated as:

329 students/376 students × 100

= 329/376 × 100

= 87.5 %

8 0
2 years ago
The following table gives projections of the
stellarik [79]

The function that models the growth of the population is P = 276.6e^0.009t

<h3>What is the function?</h3>

We can see that the table shows the increase in population over time. We know that population growth is an example of exponential function. We have to apply the formula of exponential function.

Let us now obtain the function that could show the population at each time;

Given that;

Po = initial population

P = population at time t

r = rate of population growth

P = Poe^rt

P = 305.9

r = ?

t = 10

Po = 276.6

Substituting values;

305.9 = 276.6e^10r

305.9/276.6 = e^10r
1.1 = e^10r

ln 1.1 = 10r

r = ln1.1/10

r = 0.009

Thus the function is;

P = 276.6e^0.009t

Learn more about population growth:brainly.com/question/18415071

#SPJ1

8 0
2 years ago
8) There are six boys and seven girls in a
kondaur [170]

Answer:

i say dependent. i may be wrong

7/26

Step-by-step explanation:

6/13 times 7/12 which is 42/156 which is 14/52 which is also 7/26

7 0
3 years ago
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