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Natalija [7]
2 years ago
10

First answer = brainliest

Mathematics
2 answers:
Novay_Z [31]2 years ago
7 0

Answer: It’s 80cm2

Step-by-step explanation:

10x4=40x2=80 so 80cm2

nataly862011 [7]2 years ago
5 0

Answer:

120 cubic cm

Step-by-step explanation:

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I need help with this one
PtichkaEL [24]

Answer:

x = 1

Step-by-step explanation:

8x + 4 = 12

8x = 8

x = 1

4 0
2 years ago
A standard deck of cards contains 52 cards. of these cards there are 13 of each type of suit (hearts, spades, clubs, diamonds) a
vekshin1
13/52 is the ratio of hearts to all cards
That reduces to a 1/4 ratio
or a 25% chance of drawing a heart
4 0
3 years ago
Read 2 more answers
Can you please help me I plead you
Levart [38]

Answer:

Question 2

x is approximately 15.038 or 15 days

Question 3

$3.41

Question 4

31.1

Step-by-step explanation:

Question 2

5.2 km/1 day =78.2 km/x days

Multiply both sides by x

5.2x=78.2

divide by 5.2

x is approximately 15.038

or 15 days

Question 3

350-(262.94+83.65)

$3.41

Question 4

22(1.3)+2.5

31.1 m

5 0
3 years ago
Assume that when adults with smartphones are randomly​ selected, ​57% use them in meetings or classes. If 8 adult smartphone use
vovikov84 [41]

Answer:

≈ 0.2526

Step-by-step explanation:

<u>The number of combinations of 4 out of 8:</u>

  • 8C4 = 8!/(4!(8-4)!)= 8*7*6*5/(1*2*3*4)= 70

<u>Success factor is: </u>

  • 57% = 0.57

<u>and failure factor is: </u>

  • (100 - 57)%= 43%= 0.43

<u>Probability:</u>

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6 0
3 years ago
Solve for the missing length and the other two angles in the triangle below
Klio2033 [76]

Answer:

AC = 3.72 units

Angles:

A = 132.6°

C = 27.4°

Step-by-step explanation:

AC² = 5² + 8² - 2(5)(8)cos(20)

AC² = 13.82459034

AC = 3.718143399

3.718143399/sin20 = 8/sinA

sinA = 0.7358944647

A = 180 - 47.38285134

A = 132.6171487

3.718143399/sin20 = 5/sinC

sinC = 0.4599340405

C = 27.38285134

5 0
3 years ago
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