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3 years ago

Please help with A, B, and C!! Giving BRAINLIEST

Mathematics

1 answer:

nexus9112 [7]3 years ago

5 0

Answer:

3.14 (π)

√-1

0.6

Step-by-step explanation:

hope this helps please like and mark as brainliest

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If a polyhedron has 5 faces and 7 vertices, then it must have how many edges? Please show step-by-step work

Juli2301 [7.4K]

Answer:

10 edges

Step-by-step explanation:

we know that

The Euler's formula state that: In a polyhedron, the number of vertices, minus the number of edges, plus the number of faces, is equal to two

$V - E + F = 2$

in this problem we have

$V=7\\E=?\\F=5$

substitute the given values

$7 - E + 5 = 2$

solve for E

Combine like terms in the left side

$12 - E = 2$

subtract 12 both sides

$- E = -10$

Multiply by -1 both sides

$E =10$

8 0

3 years ago

What are three other expressions that are equivalent to 8x-12

Kisachek [45]

Answer:

2(4x-6)

4(2x-3)

8(x-3/2)

Step-by-step explanation:

find all factors of 8 other than 1, you should have 3

divide the whole equation by the factor then multiply by the factor

2(8x-12)/2 = 2(4x-6)

4(2x-3)

8(x-3/2)

3 0

3 years ago

Rounding and math strategies

Otrada [13]

304 would be the correct answer

5 0

3 years ago

Consider an experiment with a deck of 52 playing cards, in which there are 13 cards in each suit, two suits are black, and two s

lakkis [162]

Answer:

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Number of playing cards = 52

Number of suits = 4

Number of cards per suit = 13

Number of black suits = 2

Number of red suits = 2

2. Suppose E1 = the outcome is a red card and E2 = the outcome is a face card (K, Q, J). Determine P(E1 or E2).

P (E1) = Number of red cards/Total of playing cards

P (E1) = 26/52 = 1/2 = 50%

P (E2) = Number of face cards/Total of playing cards

P (E2) = 12/52 = 3/13 = 23%

8 0

3 years ago

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A bread recipe calls for 5 1/2 cups of white flour and 1 1/4 cups of rye flour. How much more of white flour than rye flour is n

stiks02 [169]

white= 22/4

rye= 11/4

22-11=11

11/4= 2 3/4 more cups of white flour then rye

6 0

3 years ago

Read 2 more answers