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Valentin [98]
3 years ago
9

I NEED HELP ASAP AND PLEASE GIVE A STEP BY STEP FOR THE EXPLANATION WORTH 15 points

Mathematics
1 answer:
Karolina [17]3 years ago
4 0

Answer:

Step-by-step explanation:

the second one , why? because 7a-12a=-5a

4  - 8 = -4

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Julie is 12 ounce of cheese in her potato soup recipe yields 8 servings and Julie needs enough for 20 servings how many pounds o
inysia [295]
12oz=\frac{8}{20} or \frac{2}{5} of what she needs.
 we can now multiply
12oz *\frac{5}{2}= 30 oz  
but we need to know pounds and a pound is 16 oz so 2 pounds should be enough
8 0
3 years ago
When dividing decimals, what must you do if there is a decimal in the divisor?
Alina [70]
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
5 0
3 years ago
22/24 Marks
svet-max [94.6K]

Answer:

Step-by-step explanation:

shape Sides Sum of interior angles Each Angle

   

Triangle         3 180°         60°

Quadrilateral 4 360° 90°

Pentagon 5 540° 108°

Hexagon         6 720° 120°

Heptagon  7 900° 128.57...°

Octagon         8 1080° 135°

Nonagon 9 1260° 140°

6 0
3 years ago
If the area of a square is 1 square meter, how many centimeters long is each side?
Rufina [12.5K]

Square meters to square centimeters metric area units conversion factor 10000. To find out how many square centimeters in sq. meters, please use the converter below.

1 Sq. Meter = 10 000 Sq. Centimeters

Sq. meter is an area unit in metric system and used widely in measuring the small lands, floor plans etc. It equals to 10.7639104 sq. feet. The abbreviations are "m2" or "sq m".

Sq. centimeter is an area unit in metric system and defined as the area of a square whose sides are exactly one centimeter in length. It equals to 0.15500031 sq. inch. The abbreviations are "cm2" and "sq cm".


Please let me know if you need additional help in private messages.

Thanks,

-GeVontae The BRAINLY Team.

4 0
3 years ago
KEEP GETTING BOTTED! Work out. the area of a circle of radius 7cm. Give your answer in terms of pi
Elena-2011 [213]

Answer:

49π cm²

Step-by-step explanation:

A=\pi r^2

A=\pi (7)^2

A=49\pi

Therefore, the area of a circle of radius 7 is 49π cm²

8 0
3 years ago
Read 2 more answers
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