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vichka [17]
3 years ago
11

How many of the numbers between 20 and 40 are prime numbers?​

Mathematics
2 answers:
poizon [28]3 years ago
6 0

Answer:

four

There are four prime numbers between 20 and 40 and they are 23, 29, 31, 37.

Step-by-step explanation:

shepuryov [24]3 years ago
3 0

Answer: Four

Step-by-step explanation: There are four prime numbers between 20 and 40 and they are 23, 29, 31, 37.

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How do I convert 1 5/6 into a decimal??????
zavuch27 [327]

Answer:

1.8(3) (three is a repeating number)

Step-by-step explanation:

Divide the numerator from the denominator. Add the value of the integer part.

3 0
2 years ago
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Giving brainliest to the answer who gives step by step examples clearly!
Anarel [89]

<em>Hi there!</em>

<em>This should be easy,lol!</em>

<em>Answer:</em>

<em />\sqrt[3]{-128} = \boxed{-128 \sqrt{3} }<em> (Decimal: -221.702503)</em>

<em />\sqrt[3]{162} = \boxed{162 \sqrt{3} }<em> (Decimal: 280.592231)</em>

<em />\sqrt[3]{-1000x^4} = \boxed{-1732.050808x^4}<em />

<em>Sorry bout the explanation thingy. Their really long -.-!</em>

<em>But the last one is short so i'll put it for you!</em>

<em>Step-by-step explanation:</em>

<em>∴!For the last one!∴</em>

<em />\sqrt[3]{-1000x^4}<em />

<em>Simplifies to:</em>

<em />= - 1732.050808 * x^4<em />

<em />= - 1732.050808 * ( x * x * x * x)<em> </em>

<em />= - 1732.050808x^4<em />

<em>Have a great day/night!</em>

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3 years ago
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Please help, im two weeks behind on my math ):
bixtya [17]

Answer:

the surface of area is 14cm to 2cm to 6cm please rate my answer

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2 years ago
The probability of choosing an ace from cards is 4/52. What is the probability of not selecting an ace?
motikmotik

Answer:

48/52

Step-by-step explanation:

(total number of cards-4 ace cards)/52

4 0
2 years ago
Dana saved 450 for food for her upcoming vacation. The breakfast was included with their hotel, but lunch and dinner are not. Wh
zzz [600]

Answer:

10d + 40r \leq 450

Step-by-step explanation:

Given

Savings = 450

Dana\ Cooks, d = 10

Restaurant, r = 40

Required

Represent this as an inequality

When Dana cooks;

Cost\ per\ meal = 10

Cost\ per\ d\ meals = d * 10

Cost\ per\ d\ meals = 10d

At Restaurant

Cost\ per\ meal = 40

Cost\ per\ r\ meals = 40 * r

Cost\ per\ r\ meals = 40 r

Add these two results:

Result = 10d + 40r

<em>To represent as an inequality, the above result must be less than or equal to Dana's total savings</em>

i.e.

10d + 40r \leq 450

3 0
3 years ago
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