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bezimeni [28]
3 years ago
8

Find the missing angle ACB. A. 90° B. 70° C. 45° D. 40 E. 20°

Mathematics
1 answer:
CaHeK987 [17]3 years ago
3 0

Answer:

The answer would be D)

Step-by-step explanation:

The angles of a triangle ALWAYS add up to 180. 70+ 70= 140

140+40= 180

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!!!! PLEASE HELP ME !!!!Find each measure. m<1 m<2 m< 3
Burka [1]

Answer:

m angle 1= 45

m angle 2= 76

m angle 3= 80

Step-by-step explanation:

5 0
3 years ago
Hey conic section has the equation X+Y^2+ 12X + 8y= 48 determine the following type of conic domain and range axis of symmetry a
Afina-wow [57]

Answer:

Axis of symmetry are lines x=-6 and y=-4, center  (-6,-4)

Step-by-step explanation:

Consideer the equation x^2+y^2+12x+8y=48.

First, complete perfect squares:

(x^2+12x)+(y^2+8y)=48,\\ \\(x^2+12x+36-36)+(y^2+8y+16-16)=48,\\ \\(x+6)^2+(y+4)^2-36-16=48,\\ \\(x+6)^2+(y+4)^2=100.

This equation represents a circle with center at point (-6,-4) and radius r=10.

Axis of symmetry are lines x=-6 and y=-4 (vertical and horizontal lines passing through the center).

5 0
4 years ago
lena wants to buy a computer that costs $900 dollars. she already. has $473 dollars saved. her grandmother will pay her $7 an ho
Rama09 [41]
If you would like to know how many hours will Lena need to work before she can afford to buy the computer, you can calculate this using the following steps:

$900 - $473 = $427

$427 / $7 = 61 hours of yard work

Result: Lena will need to work 61 hours before she can afford to buy the computer.
6 0
3 years ago
Read 2 more answers
You are told a professional cyclist eats around 5120 calories everyday for the Tour de Abroad. Estimate how many calories a cycl
nikitadnepr [17]

Answer:

Total calories eat = 107,520 calories

Step-by-step explanation:

Given:

Number of calories everyday = 5120 calories

Number of days = 21

Find:

Total calories eat

Computation:

Total calories eat = Number of calories everyday × Number of days

Total calories eat = 5120 × 21

Total calories eat = 107,520 calories

6 0
3 years ago
7 twelveths divided by 2 fifths.
9966 [12]

Answer: 1 11/24

<u>Do Keep Change Flip (KCF)</u>

Keep: 7/12

Change: ÷ into ×

Flip: 2/5 into 5/2

Your new problem should be 7/12*5/2

<u>Multiply</u>

7/12*5/2=35/24

<u>Turn 35/24 into a Mixed Number (Dvide)</u>

35÷24 = 1 11/24

5 0
3 years ago
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