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dmitriy555 [2]
4 years ago
9

I need help with these questions please ASAP!!!!!!

Mathematics
2 answers:
Effectus [21]4 years ago
7 0

Answer:

Your answers are 1.A 2.T 3.C 4.A

leonid [27]4 years ago
5 0
Read it #1 would be A. Read it #2 would be False. Read it #3 would be D (not sure on that one) and Read it #4 would be A
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WHERE ARE THE EXPERTS AND ACE!!!!!!! I NEED HELP PLS SHARE YO SMARTNESS!!!!! WILL GIVE BRAINLIEST AND RATE AND VOTE!!! EASY IM J
Charra [1.4K]

Answer:

7.2

Step-by-step explanation:

Apply Law of Cosines, given that b is 13.5, c is 8.9, and Angle a is 29.

{a}^{2}  =  {b}^{2}  +  {c}^{2}  - 2bc \cos(a)

{a}^{2}  =  {13.5}^{2}  +  {8.9}^{2}  - 2(13.5)(8.9) \times  \cos(29)

{a}^{2}  = 182.25 + 79.21 - 240.3 \times 0.8746

{a}^{2}  = 182.25 + 79.21 - 210.1711

a = 7.2

4 0
3 years ago
Read 2 more answers
5
Debora [2.8K]

Answer:

13.8 feet long.

Step-by-step explanation:

The end two pieces are 3.6 feet long.

The middle board must be 0.82 longer than the 3.6 feet.

The easy way to do this is to realize that the length of the middle part is 1.82 times the length of each of the end pieces.

1.82 * 3.6 = 6.552 feet long.

So the total length of the board must be

3.6 + 3.6 + 6.552 = 13.752 feet long. (That's a pretty long board).

Rounded it becomes 13.8 feet long.

6 0
3 years ago
Can someone help me please
Mrac [35]

Answer:

2x +  {x}^{2}  + (x + x) - 4

when x is 3:

= 2(3) +  {(3)}^{2}  + (3 + 3) - 4 \\  = 6 + 9 + 6 - 4 \\  = { \boxed{ \boxed{17}}}

8 0
3 years ago
Read 2 more answers
Somebody helpp???????????
borishaifa [10]

Answer:

were born

Step-by-step explanation:

not every person was born with a silver spoon in his or her mouth.

5 0
3 years ago
Use a Venn diagram
zzz [600]

<u>Answer:</u>

243 students are involved in either sports or music whereas 100 are not

involved in either of it.

<u>Step-by-step explanation:</u>

No. of students who are in music = 115

No. of students who are in sports = 197

No. of students who are in both activities = 69

So, no. of students who are involved either in sports or music,

= (115 + 197 - 69)

=243

So, no. of students who are not involved in either sports or music,

= (343 - 243)

=100

5 0
3 years ago
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