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Deffense [45]
2 years ago
7

1) Find the value of these expressions: a) (2x7)x5= b) (8x3)x2= c) 4x(3x8)=

Mathematics
2 answers:
sashaice [31]2 years ago
8 0

Answer:

70

48

96

Step-by-step explanation:

Elena-2011 [213]2 years ago
5 0

Answer:

A) =70

B)=48

C)=96

Step-by-step explanation:

(hope this helps can I pls have brainlist (crown) ☺️)

You might be interested in
All radical expressions that are equivalent to 3 2/5
SCORPION-xisa [38]

Answer:

15

Step-by-step explanation:

√15 (3√5)^2 3√5^2 3√10

4 0
3 years ago
If the second hand of a clock has a length of 10 cm, find the distance the tip of the second hand travels in 45 seconds. Give an
UkoKoshka [18]

The distance traveled by the second hand of the clock is 0.471 m.

<h3 />

To calculate the distance the tip of the second hand of the clock travel in 45 seconds, we use the formula below.

<h3>Formula:</h3>
  • L = 2πr∅/360.................. Equation 1

<h3> Where: </h3>
  • L = distance traveled by the tip of the second hand.
  • r = Length of the second hand
  • ∅ = angle formed by the second hand of the clock
  • π = pie

From the question,

<h3>Given:</h3>
  • r = 10 cm = 0.1 m
  • ∅ = (360×45/60) =  270°
  • π = 3.14

Substitute these values into equation 1

  • L = 0.1×2×270×3.14/360
  • L = 0.471 cm.

Hence, The distance traveled by the second hand of the clock is 0.471 m

Learn more about distance traveled here: brainly.com/question/4931057

<h3 />

7 0
2 years ago
Whats 4 + 2 i forgot,<br> and whats 5 + 5 + 9 + 8 + 90+ 90 - 1000 i also forgot
Vlad [161]

Answer:

4 + 2 = 6

5 + 5 + 9 + 8 + 90+ 90 - 1000 = -793

Step-by-step explanation:

hope this helps ;)

have a great day!! <3

8 0
3 years ago
Solve 7 2 3 − ( 1 2 4 + 3 6 8 ) . Choose the number to complete the mixed number. Numbers may be used once or not at all. ASAP p
weqwewe [10]

Answer:

2\frac{5}{12} <em>is your answer.</em>

Step-by-step explanation:

7\frac{2}{3} -(1\frac{2}{4} +3\frac{6}{8} )\\\\\frac{23}{3} -(\frac{6}{4} +\frac{15}{4}) \\\\\frac{23}{3} -(\frac{21}{4})\\\\\frac{92-63}{12} \\\\\frac{29}{12} \\\\2\frac{5}{12}

6 0
2 years ago
The number of cars Gary sold each month was 12, 5, 9, 11, 14, and 10.
Minchanka [31]

Answer:

10.5

Step-by-step explanation:

Median is defined as the middle value- order the number from least to greatest ; if there is an even number of values, like in this case, order them from smallest to largest..... Add the two middle values and divide by 2..... The result is ur median

  1. 4,9<u>,10,11,</u>12,14
  2. 10+11=21
  3. 21÷2=10.5

7 0
3 years ago
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