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photoshop1234 [79]
2 years ago
9

How many different 4-digit numbers can be made from the digits 0, 1, 3, 5, and 7 if no digit is repeated in a number and zero ca

nnot be first number?
Mathematics
1 answer:
quester [9]2 years ago
6 0

Answer:

There are 96 ways different 4 digit numbers which can be made from these 5 digits.

Step-by-step explanation:

There are 5 different digits. The first one must be

1 3 5 or 7

So you can have 4 for the first one. Now the zero can be put into the mix.

4 * 4 * 3 * 2

96

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Insert parentheses in expression 2 so that it has a value of 4. Then show why your expression has a value of 4.
Natasha_Volkova [10]
(2^3 +4) = 12

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(2^3 +4) /(9-6)
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4
8 0
3 years ago
If x2 + y2=6 , xy = 5 , then (X + y)2? <br><br><br><br>​
VARVARA [1.3K]

Answer:

(x + y)² =16

Step-by-step explanation:

hello :

(x + y)² = x²+y²+2xy   and : x²+y² = 6     xy = 5

(x + y)² = 6+2(5)

(x + y)² =16    

3 0
2 years ago
B- 7/4= -2/3 What is the B?
vitfil [10]

Answer:

13/12

Step-by-step explanation:

B - 7/4 = -2/3

B = -2/3 + 7/4

B = 13/12

3 0
2 years ago
HELP ME AND ANSWER THIS IK ITS -1 BUT ITS AN MULTIPLE CHOICE!! please don't guess thank you :) and I'll mark you as Brainlest :D
ankoles [38]
1 and 0 would also work for this inequality!
7 0
2 years ago
Read 2 more answers
Can anybody help me solve this? You must solve for X first.
gogolik [260]

Answer:

45 degrees

Step-by-step explanation:

angle QRS is same as (2x + 3) because it is an isosceles triangle

so, 90 + (2x+3) + (2x+3) =180 degrees

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4x=84

x=84/4

x=21

substitute x=21 in (2x+3)

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6 0
2 years ago
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