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melisa1 [442]
3 years ago
12

Use the diagram to find the value of a. The parallel lines are marked

Mathematics
1 answer:
Dmitry [639]3 years ago
6 0

Answer:

Where is the diagram

Step-by-step explanation:

Thank you for the extra points

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Find the missing length of the right triangle.<br> a<br> 21<br> 35
WITCHER [35]

Answer:

28

Step-by-step explanation:

Use the pythagorean theorem and solve for a:

a² + b² = c²

a² + 21² = 35²

a² + 441 = 1225

a² = 784

a = 28

So, the missing length is 28.

4 0
2 years ago
At Information and Communications University: 31 female seniors were on the dean’s list 62 women were on the dean’s list who wer
inessss [21]

Step-by-step explanation:

There's a lot of information here, so first things first, let's get organized.

Let's start by assigning variable names to each group.  We want the variables to be short but easy to understand.

For example, let's say the number of female seniors on the dean's list is FSD (F for female, S for senior, and D for dean's list).

FSD = 31

Sticking to this naming scheme:

FD = 62

MSD = 45

FS = 87

MS = 96

F = 275

MD = 88

M = 227

Now we can begin.

a) We want to know how many seniors there are.  So all we have to do is add up all the variables with an S in them.

FSD + MSD + FS + MS

31 + 45 + 87 + 96

259

b) We want to know how many women there are.  So add up all the variables with an F in them.

FSD + FD + FS + F

31 + 62 + 87 + 275

455

c) We want to know how many are on the dean's list.  So add up all the variables with a D in them.

FSD + FD + MSD + MD

31 + 62 + 45 + 88

226

d) Now we want to know how many are seniors AND on the dean's list.  So add up all the variables that have both an S and a D.

FSD + MSD

31 + 45

76

e) We want to know how many female seniors there are, so add up all the variables with both an F and an S.

FSD + FS

31 + 87

118

f) We want to know how many women were on the dean's list, so add up all the variables with both an F and a D.

FSD + FD

31 + 62

93

g) Finally, we want to know how many students there are total.  So add up all the variables.

FSD + FD + MSD + FS + MS + F + MD + M

62 + 45 + 87 + 96 + 275 + 88 + 227

880

5 0
3 years ago
A girl that is 4 feet tall casts a shadow that is 2 feet long. Find the height of a boy that casts a 3-foot shadow.
PIT_PIT [208]

Answer:

B. 6 feet

Step-by-step explanation:

4 ÷ 2 = 2

6 ÷ 2 = 3

8 0
2 years ago
Read 2 more answers
16.437 rounded to the nearest tenth is 16.4.
jeka94

Answer:

yes

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
SUPER hard question
blagie [28]

Answer:

n  =  60

Step-by-step explanation:

<em>Terms which are divisible by 9 between 60 and 600. </em>

<em> 63, 72, 81, ........ 594 </em>

<em> n  =  [ (l - a)/d ] + 1 </em>

<em> n  =  [(594 - 63)/9] + 1 </em>

<em> n  =  (531/9) + 1 </em>

<em> n  =  59 + 1 </em>

<em> n  =  60</em>

3 0
2 years ago
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