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2 years ago

Tell whether the figure is a polygon. If it is a polygon,

Mathematics

1 answer:

elixir [45]2 years ago

5 0

Answers:

Polygon? Yes
Classify: Pentagon
The polygon is concave

===================================================

Explanation:

The figure is a polygon because it's composed of straight lines only, and we have a closed loop (or enclosed area).

This is a pentagon since it has 5 sides

The pentagon is concave because of the angle kicked in up top that caves in, so to speak. This interior angle exceeds 180 degrees and is known as a reflex angle.

Here's another way to determine the figure is concave: It's possible to pick two points inside the polygon such that the segment formed between them crosses outside the boundaries. See the diagram below.

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Cassie made a picture graph to record the points that third grade students scored on test.Mrs Wilson's group scored 40 points in

lara31 [8.8K]

Answer:

4 students scored 3 points each

7 students scored 4 points each

Step-by-step explanation:

Undetermined equations

There are problems where there are not enough data to provide a unique (determined) solution. We form as many equations as possible and try to find the combination of values of the variables to fulfill all the conditions

For this question, we are assuming the grades go from 1 to 5. We know 11 students in Mrs. Wilson's group scored 40 points in all. We must find a combination of points to produce a sum of 40. We're also assuming only integer points can be scored.

To make things easier, let's find the mean value of the total scores: 40/11=3.6

If we stick to the closest integer near 3.6 we can find a quick solution. Let's think all the students scored 4. It would give a total of 44 points (4 more than required). To adjust the excess, we simply set the score of 4 students to 3 points. Our solution will be

4 students scored 3 points each: 12 points

7 students scored 4 points each: 28 points

Total: 40 points

Note: You can find more solutions apart from this one. For example, set the score of one of the 4-points students to 3. To compensate, set another one from that group to 5 points. Our new solution will be

5 students scored 3 points each: 15 points

5 students scored 4 points each: 20 points

1 student scored 5 points : 5 points

It also has a total of 40 points from 11 students

6 0

4 years ago

Write an recursive formula for an, the nth term of the sequence 75, -15, 3, ...

artcher [175]

Answer:

why the lowest level of an energy pyramid contains the most organisms and the highest level of an energy pyramid contains the least organisms.

Step-by-step explanation:

2. Given the points A, B, C, D, calculate:

(a) the angle B of the triangle ABC

(b) the area of the triangle ABC

(d) the height AH of the triangle ABC

(e) the volume of tetrahedron ABCD

(f) the point E so that ABCE is a parallelogram.

A(-1, 2, -3), B(4, -1, 0), C(2, 1, -2), D( 3,4,5)

you're welcome and thank you for my plane

4 0

3 years ago

43 tens times 3 tens equal how many hundreds

storchak [24]

12 hundreds and 6 tens

8 0

3 years ago

Read 2 more answers

7h^9 c^6 / 21^9 c^4 dis hard

almond37 [142]

Step-by-step explanation:

1) Evaluate the exponent

$\frac{7h^{9} }{c^{6} }$ × $c^{4}$

$\frac{7h^{2} c^{6} }{794280046581}$ × $c^{4}$

2) Cancel terms that are in both the numerator and denominator

$\frac{7h^{9}c^{6} }{794280046581}$ × $c^{4}$

$\frac{h^{9}c^{6} }{113468578083}$ × $c^{4}$

3) Combine multiplied terms into a single fraction

$\frac{h^{9}c^{6} }{113468578083}$ × $c^{4}$

$\frac{h^{9}c^{6}c^{4} }{113468578083}$

4) Combine exponents

$\frac{h^{9} c^{6} c^{4} }{113468578083}$

$\frac{h^{9} c^{6}c^{4} }{113468578083}$

Result ║ $\frac{h^{9} c^{6}c^{4} }{113468578083}$

6 0

3 years ago

A trapezoid has an area of 975 square meters. The height of the trapezoid is 50 meters, and the length of the longer base is tw

denis23 [38]

Area of trapezoid(A) =(1/2) (b1 + b2)*h

b1= x - shorter base
b2=2x - longer base
A=975 m²
h=50 m

975 =(1/2) (x + 2x)*50
975 = 25*3x
975 = 75x
x=975/75 = 13 m

x= b1 = 13 m
b2=13*2=26 m

b1=13 m,
b2 = 26 m,

3 0

3 years ago