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Scilla [17]
3 years ago
9

Guys pls help me with this

Mathematics
1 answer:
Serggg [28]3 years ago
7 0

Answer:

3.since two base side are equal

4.sum of interior angle of the triangle is 180

9.base angle of isosceles triangle

16.the inscribed angle from the diameter is 90°

21.being CAE=90°

You might be interested in
2/3*5/15+-24+-18 pls help asap
zavuch27 [327]

Answer:

-42 2/9

Step-by-step explanation:

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

6 0
3 years ago
Gravel is being dumped from a conveyor belt at a rate of 15 ft3/min, and its coarseness is such that it forms a pile in the shap
gayaneshka [121]

Answer:

0.13 ft/min

Step-by-step explanation:

We are given that

\frac{dV}{dt}=15ft^3/min

We have to find the increasing rate of change of height of pile  when the pile is 12 ft high.

Let d be the diameter of pile

Height of pile=h

d=h

Radius of pile,r=\frac{d}{2}=\frac{h}{2}

Volume of pile=\frac{1}{3}\pi r^2 h=\frac{1}{12}\pi h^3

\frac{dV}{dt}=\frac{1}{4}\pi h^2\frac{dh}{dt}

h=12 ft

Substitute the values

15=\frac{1}{4}\pi(12)^2\frac{dh}{dt}

\frac{dh}{dt}=\frac{15\times 4}{\pi(12)^2}

\frac{dh}{dt}=0.13ft/min

7 0
3 years ago
Uri wants to buy a sweatshirt that
AfilCa [17]

Answer:

Take 16.28 x 8%. You get $1.30 so add 16.28 to 1.30 to get 19.58

Step-by-step explanation:

8 0
3 years ago
I know the answer just need the step-by step work
Anna71 [15]

Answer:

  x^2 +18x +80

= x^2 + 10x + 8x +80

= x(x+10) + 8(x+10)

= (x+10)(x+8)

Hope this help!

Good luck!

6 0
2 years ago
Solve for the balloon volume using the equation below
valentinak56 [21]

The volume of the balloon is 1441.64cm³.

<h3>How to calculate the volume?</h3>

The radius of the balloon is given as 7cm. Also, the equation to calculate the volume is given as c³/6π²

The circumference c will be:

= 2πr = 2 × 22/7 × 7

= 44

The volume will be:

= c³/6π²

= 44³/(6 × 3.14²)

= 85284/(59.1576)

= 1441.64

Learn more about volume on:

brainly.com/question/1972490

#SPJ1

3 0
2 years ago
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