3 years ago

Hhhelppppppppppppppp

Mathematics

1 answer:

ANTONII [103]3 years ago

6 0

Answer:

43°

Step-by-step explanation:

complementary=90°

6x+1+7x-2=90°

6x+7x+1-2=90°

13x=90-1+2

13x=91

divide both sides with 13

x=7

6(7)+1

42+1

= A =43°

You might be interested in

The ratio of adjacent sides of a rectangle is 4:5.Find the dimensions of the rectangle if its length is ( x+1)cm and the width i

kodGreya [7K]

Set an equation:

4/5=x-3/x+1
cross multiply

5x-15=4x+4

x=19

Width: 16 cm

Length: 20 cm

Find the perimeter and the area:

Perimeter: 16+16+20+20=72

Area: 20•16=320

Ratio: 320:72

Simplify the ratio:

40:9

Answer: The ratio of the area to the perimeter is 40:9.

7 0

3 years ago

1,870 /210 = x what is x?

katrin2010 [14]

X = 8.904 or 187/21 (hope this helps)

3 0

3 years ago

Paul brought a student discount card for the bus the card allows him to buy daily bus passes for $1.30. After one month, Paul bo

____ [38]

Answer:

I think you multiply 1.30 and 11 take the sum and divide by total spent

Step-by-step explanation: