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Evgen [1.6K]
3 years ago
10

What is 6 over 21 in simplest form

Mathematics
2 answers:
Mrac [35]3 years ago
8 0

6/21

Divide the numerator and denominator by using 3.

6/3=2

21/3=7

Answer: 6/21=2/7

Naya [18.7K]3 years ago
7 0

Answer:

2 over 7

Step-by-step explanation:

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PLEASE HELP WITH THIS AND PLEASE SHOW WORK! ALSO PLEASE ACTUALLY GIVE ANSWER 35 POINTS AND BRAINLIEST!!
Arlecino [84]

Answer:

60

Step-by-step explanation:

Use proportions like shown. 4/6 is 1.5 and if you multiply 40 by 1.5 it equals 60.

3 0
3 years ago
.I want a way to solve this question​
Verdich [7]

Check the picture below.

so then γ ≈ 180 - 69 - 43, γ ≈ 68.

8 0
3 years ago
A soup can will have a radius of 4 cm and a
DENIUS [597]

Answer:

<h3>            It's about 365 cm²</h3>

Step-by-step explanation:

2×πr² + 2πr×h =

= 2×π×4² + 2π×4×10.5 =

= 32π + 84π =

= 116π ≈

≈ 364.42 cm²

5 0
3 years ago
y = -16x2 + 32x - 10 This parabola has x-intercepts, representing the times when the dolphin's height above water is feet.
Lina20 [59]
Answer: This parabola has 0.3875 x-intercepts,
<span>representing the times when the dolphin's height above water is </span>
0 feet.

The x-intercept is the point where the graph crosses the x-axis, which is when the value is y=0. 
The calculation for y=0 would be
<span>Y = -16x2 + 32x - 10
</span><span>0 = -16x2 + 32x - 10
</span>-8x2 + 16x - 5=0

-b +-√(b^2-4ac)  /2a=
-16 +-√(16^2-4(-8)(-5))  /2(-8) =
-16+- √(256-160/ -16 =
-16+- √(96/ -16 =
-16+- 9.8/ -16 =
x1= 0.3875
x2= -1.6125
6 0
3 years ago
Read 2 more answers
Maria walked 3 km west and 4 km south calculate how far she is from her starting point.
Rufina [12.5K]

Answer:

5 km

Step-by-step explanation:

We are given the distances walked by Maria;

  • 3 km west and 4 km south

We are required to determine the displacement from her starting point;

  • We are going to use Pythagoras's theorem;

a² + b² = c²

Taking, the distances towards south and towards west as the legs of the triangle;

Then, c² = 3² + 4²

               = 25

         c  = √25

            = 5 km

Therefore, the displacement from the starting point is 5 km

8 0
3 years ago
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