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Diano4ka-milaya [45]
3 years ago
13

Arnold needs to simplify the expression below.

Mathematics
2 answers:
olchik [2.2K]3 years ago
8 0

Answer:

B

Step-by-step explanation:

DIA [1.3K]3 years ago
4 0

Answer:

0.5x7

Step-by-step explanation:

Assuming that the original expression is 4.3*3+ 11(8.2-0.5*7)-6, according to PEMDAS multiplication takes priority over addition and subtraction,, and therefore, from the choices given, 0.5 * 7 must be performed first.

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What times 5 equals 2365?
PilotLPTM [1.2K]
473 times 5 equals 2365.
6 0
4 years ago
sally can paint a room in 3 hours while it takes steve 8 hours to paint the same room. how long would it take them to paint the
svp [43]

Answer:

2 hours 11 minutes

Step-by-step explanation:

Each hour Sally can paint 1/3 rooms, Steve can paint 1/8 rooms.

If they work together, each hour they can paint 1/3 + 1/8 = 11/24 rooms.

So They will take 1/(11/24) = 24/11 = 2.18 hours to paint a whole room.

2.18 hours = 2 hours 0.18*60 minutes

0.18 * 60 = 11

Answer: 2 hours 11 minutes

4 0
3 years ago
a furniture company currently produces 5800 chairs per month. If production decreases 5%, find the amount of the decrease and th
Paraphin [41]

Answer:amount of decrease 290 ;numbers of chairs 5510

Step-by-step explanation:

Stablish the proportion 5800/100%=x/5% then solve for x. ; x=(5%/100%)*5800 = 290 which is the decrease. Then make the difference 5800-290 and you get 5510

4 0
3 years ago
What is the value of x in the diagram?
Ksenya-84 [330]
The red arrows mean the lines are parallel. Since all angles are equal, the larger triangle is similar to the smaller one. Then corresponding sides have the same ratio
(4x -2)/9 = (3x+2)/12
x(4/9 -3/12) = (2/12) +(2/9)
x = (7/18)/(7/36) = 2 . . . . . . . . . corresponding to the 3rd selection
3 0
4 years ago
2. Determine the prime factorization of each number. a) 95 b) 112 c) 164 d) 150​
Shalnov [3]

Answer:

In explanation.

Step-by-step explanation:

A). 95 = 51 × 191 where 5, 19 are prime.

-The prime factors of 96 thus obtained are written as 96 = 2 × 2 × 2 × 2 × 2 × 3 = 25 × 31, where 2 and 3 are the prime numbers.

B). 112 = Dividing 112 by 56, we get 112 ÷ 56 = 2. Thus the prime factorization of 112 = 2 x 2 x 2 x 2 x 7 is obtained by writing the factor tree of 112.

-112  is a composite number. 112 = 1 x 112, 2 x 56, 4 x 28, 7 x 16, or 8 x 14.

-Factors of 112: 1, 2, 4, 7, 8, 14, 16, 28, 56, 112.

-Prime factorization: 112 = 2 x 2 x 2 x 2 x 7, which can also be written 112 = 2⁴ x 7.

C). 164 = The prime factorization of 164 can be written as 22 × 411 where 2, 41 are prime.

-The prime factors of 165 are 3, 5, 11. Therefore, the product of prime factors = 3 × 5 × 11 = 165.

D). 150 = Prime Factorization of 150: 2 × 3 × 52

-The prime factorization of 150 is 2 x 3 x 5 x 5 = 2 x 3 × 52 where 2, 3, and 5 are the prime numbers.

5 0
3 years ago
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