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ruslelena [56]
3 years ago
6

I need help plz and fast!!

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0
Answer: 15

She will run and swim again in 15 days.
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Find the area of the shape shown below.
sveticcg [70]

Answer:

A = 15u²

Step-by-step explanation:

Area of a Trapezoid Formula:

\frac{h}{2}*(b_1+b_2)

Plug in our values (h = 3, b1 =  7, b2 = 3)

\frac{3}{2}*(7+3)

Now we evaluate

\frac{3}{2}*(10)

\frac{30}{2} = 15

6 0
2 years ago
Could a polyhedron exist with the given number of faces, vertices, and edges? Drag yes or no to each combination
DanielleElmas [232]

Answer:

(a) No

(b) No

(c) No

Step-by-step explanation:

Given

See attachment

Required

Select Yes or No for each

To do this, we make use of Euler's formula

F + V - E = 2

Where

F \to Faces; V \to Vertices; E \to Edges

(a):\ Faces = 8; Vertices = 12; Edges = 6

Using: F + V - E = 2

8 + 12 - 6 = 2

14 = 2

<em>The above equality is false. Hence, (a) does not exist</em>

(b):\ Faces = 6; Vertices = 6; Edges = 4

Using: F + V - E = 2

6 + 6 - 4 = 2

8 = 2

<em>The above equality is false. Hence, (b) does not exist</em>

<em />

<em />(c):\ Faces = 20; Vertices = 30; Edges = 12<em />

Using: F + V - E = 2

20 + 30 - 12 = 2

38 = 2

<em>The above equality is false. Hence, (c) does not exist</em>

5 0
3 years ago
Read 2 more answers
What is true about the sum of the two polynomials?<br> 6s^2t – 2st^2<br> 4s^2t – 3st^2
Snowcat [4.5K]
The sum is 10s^2t-5st^2. With two separate sections it’s a binomial, and the sum of the powers of the variables is 2+1=3, it has a degree of 3.
7 0
3 years ago
⚠️PLEASE HELP FAST⚠️
Mrrafil [7]

Answer:

I thi k it will be b or c because the angles

4 0
3 years ago
a group of 29 friends get together to play a sport first people must be divided into teams each team has to have exactly four pl
andre [41]

Answer:

They can make one person leave

Step-by-step explanation:

7 0
3 years ago
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