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dolphi86 [110]
3 years ago
12

Help me, please...................

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
5 0

Answer:

D. is your answer

Step-by-step explanation:

When subtracting a negative, it is basically adding the absolute value of that number:

For example:

3 - ( -4 )

This is the same as:

3 + 4

Now lets take this and use it in your equation:

18 1/5 - ( -22 2/5 ) - ( -40 1/5 )

18 1/5 + 22 1/5 + 40 1/5

DENIUS [597]3 years ago
3 0

Answer:

its 222023029299320929392399 i imnot oreje

Step-by-step explanation:

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PLEASE HELPPPPP. URGEENNTT!!! I DONT KNOW HOW TO SOLVE THIS
Oksi-84 [34.3K]

Answer:

A = 58.7 degrees

B = 66.9 degrees

C = 34.1 degrees

Step-by-step explanation:

<u><em>For <A:</em></u>

Tan A = \frac{opposite}{adjacent}

Tan A = \frac{23}{14}

Tan A = 1.6

A = Tan^{-1} 1.6

A = 58.7 degrees

<u>For <B:</u>

Sin B = \frac{opposite}{hypotenuse}

Sin B = \frac{23}{25}

Sin B = 0.92

B = Sin^{-1} 0.92

B = 66.9 degrees

<em><u>For <C:</u></em>

Sin C = \frac{opposite}{hypotenuse}

Sin C = \frac{14}{25}

Sin C = 0.56

C = Sin^{-1}0.56

C = 34.1 degrees

6 0
3 years ago
3g+5h+4g-2h please help :(
AveGali [126]

Answer:

7g+3h

Step-by-step explanation:

you combine like terms by adding 3g and 4g and subtracting 2h from 5h.

4 0
3 years ago
Read 2 more answers
What is the value of the expression below when y = 4 and z = 4 , 6y - 3z ? Please answer !!!!!!!!! Will mark Brianliest !!!!!!!!
yanalaym [24]

Answer:

12

Step-by-step explanation:

6y - 3z

6(4) - 3(4)

24 - 12

12

Hope this helps plz mark me as Brainliest

7 0
4 years ago
Solve the equation -7 = y for x.
Harlamova29_29 [7]

Answer:

x = 4y+28

Step-by-step explanation:

x/4 -7 = y

Solve for x

Add 7 to each side

x/4  -7+7 = y+7

x/4 = (y+7)

Multiply each side by 4

x/4*4 = 4(y+7)

x = 4y+28

5 0
3 years ago
Read 2 more answers
13.50 ÷ 1.25 = 10.8, but can you explain why?
harkovskaia [24]

135/100÷125/100

135/100×100/125

100cancel 100,it remains 135/125

135/÷5/125÷5

27/25=10.8

7 0
3 years ago
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