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anygoal [31]
3 years ago
15

Help please (will give brainliest)

Mathematics
2 answers:
levacccp [35]3 years ago
7 0
We know that sin(a)=80/82.
sin(a)=0.9756
sin^-1(0.9756)=a
a=77.3
klemol [59]3 years ago
3 0
I belive you would subtract 18 from 90????
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Fiona kept track of how many text messages she sent each day one week, the numbers were 21,57,32,25,33,42 and 46 on average how
Likurg_2 [28]

Answer:

256 just add them all up and u get the answer

4 0
3 years ago
I need help with this plzzz percent equations blank % of $900,000 = $270,000
notsponge [240]

Answer:

30%

Step-by-step explanation:

7 0
3 years ago
Given: ∆AMK, MP ⊥ AK , MP = 10 m∠A = 72º, m∠PMK = 50° Find AM, MK, AK
mina [271]

Answer:

Step-by-step explanation:

The diagram of triangle AMK is shown on the attached photo. To determine AM, we would apply trigonometric ratio since triangle AMP is a right angle triangle.

Sin# = opposite/hypotenuse

Sin 72 = 10/AM

AMSin72 = 10

AM = 10/Sin72 = 10/0.9511

AM = 10.51

To determine MK,

Cos# = adjacent/hypotenuse

Cos 50 = 10/MK

MKCos50 = 10

MK = 10/Cos50 = 10/0.6428

MK = 15.6

AK = AP + KP

Tan# = opposite/adjacent

Tan 72 = 10/AP

AP tan 72 = 10

AP =10/tan72 = 10/ 3.0777 = 3.25

Tan 50 = KP/10

KP = 10tan50

KP= 10× 1.1918 = 11.918

Therefore,

AK = 3.25 + 11.918 = 15.168

3 0
2 years ago
Select THREE expressions that are equivalent to -16x - 68.
slamgirl [31]

Answer:

b, c, d

Step-by-step explanation:

6 0
2 years ago
7+8r+10r pls help me im failing
Umnica [9.8K]

Final Answer: 7 + 18r

Steps/Reasons/Explanation:

Question: Solve 7 + 8r + 10r.

<u>Step 1</u>: Collect like terms.

7 + (8r + 10r)

<u>Step 2</u>: Simplify.

7 + 18r

~I hope I helped you :)~

4 0
3 years ago
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