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Arturiano [62]
3 years ago
12

HELPPPPPPPPPPPPPPP please

Mathematics
1 answer:
Bess [88]3 years ago
4 0
The answer is 142 degrees. Angles m<1 and the 38 degree angle are supplementary angles. Supplementary angles equal 180 degrees so, you would do 38 + m<1 = 180. Since you don’t know angle 1, you would subtract 38 from both sides. Once you do that, you get your answer of 142 degrees.
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A student leaving school walks 2.8 km north and then walks 1.2 km south. What is
vova2212 [387]

Answer: 1.6km

Step-by-step explanation: 2.8km - 1.2km

The student is still north from school.

I hope this answer helped! :)

4 0
3 years ago
Read 2 more answers
What is the surface area?
Blizzard [7]

Answer:

42 square yards

Step-by-step explanation:

T.S.A of cube

= 6l {}^{2}  \\

where l = 7yd

= 6(7) \\  = 42 \: yd {}^{2}

thus, the surface area of cube is 42 square yards

8 0
3 years ago
A shopper purchased 4 tables and 2 chairs for $200 and 2 tables and 7 chairs for $400. What is the cost of each table and each c
I am Lyosha [343]
4t+2c=200
2t+7c=400

I will solve for c in terms of t first
4t+2c=200
2c=200-4t
c=100-2t

Then I will substitute this in for c in the second equation to make it single variable
2t+7c=400
2t+7(100-2t)=400
2t+700-14t=400
300t=12
t=25 
Tables cost $25 each

Plug t back into one of the ORIGINAL equations to find the cost of chairs
4(25)+2c=200
100+2c=200
2c=100
c=50
Chairs cost $50 each

Hope this helps! :)


6 0
3 years ago
I need help ASAP please
Brilliant_brown [7]

Answer:

28 cm

Step-by-step explanation:

The formula for the area of a triangle is 1/2bh

Here we have 1/2 (14)(4)

That comes to 28 cm

5 0
3 years ago
I WILL GIVE BRAINLIEST Is -10/2 rational or irrational
Rudik [331]

Answer:

rational. both numbers are whole numbers.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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