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djverab [1.8K]
3 years ago
6

HELP ASAP Explains how to evaluate the expression 4x+10 for x=5.

Mathematics
1 answer:
Ronch [10]3 years ago
8 0

Answer:

30

Step-by-step explanation:

4x + 10 = 4*5 + 10 = 20 + 10 = 30

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10+4-3/2-9/2 please show work
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Here is the answer
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5 0
3 years ago
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Help please! thank u
Alexus [3.1K]
A is NOT a function because for some values of x you get more than one y value. For example if x=2 you get 2 values for y.
b is a function because for each x you get ONLY one y
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2 years ago
Can someone please help me with this question??
suter [353]

。☆✼★ ━━━━━━━━━━━━━━━  ☾

Use this equation:

(difference/original) x 100

Substitute in the values:

(150/450) x 100

Solve:

percentage = 33.333

Thus, the answer is option B

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8 0
3 years ago
Read 2 more answers
The ratio of boys to girls at King Middle school is 3:2. What is the ratio of girls to all students?
Dominik [7]
The answer is:  " 2 :5 " ;  or, write as:  " 2/5 " . 
________________________________________________________
The ratio of 'girls' to 'all students' is:  "2: 5 " ;  or, write as:  " 2/5 ".
________________________________________________________
Explanation:
________________________________________________________
Given:  The ratio of boys to girls is:  " 3:2 " .  

Problem:  Find the ratio of "girls" to "all students:
________________________________________________________
Note:    This ratio of "boys to girls", which is " 3 : 2 " ; 
________________________________________________________
    →  can be expressed as " 3x: 2x"  ;  

in which the total number of students is:  " 3x + 2x " = 5x " .

   → The total number of students is represented as:  " 5x " .  
________________________________________________________
→  The ratio of "girls to boys" is:  "2x : 3x" .

→  {that is;  the "inverse" of the ratio of "boys to girls"} ;  
→  {that is;  the "inverse" of  " 3x: 2x" } ;  →  which is:  " 2x : 3x " .
________________________________________________________ 

The ratio of "girls" to "all students" is:  "2x : 5x "  ;  or " 2x/5x " ; 
                                             → Both "x" values cancel ;  {since: " x/x = 1 "} ; 
_________________________________________________________
       →  and we have the answer:  " 2 :5 " ;  or, write as:  " 2/5 " . 
_________________________________________________________
The ratio of 'girls' to 'all students' is:  " 2 :5 " ;  or, write as:  " 2/5 ".
_________________________________________________________
8 0
3 years ago
15)<br> Solve for X<br> X\42=6<br> A)<br> 7<br> B)<br> 252<br> C)<br> 260<br> D)<br> 332
Vikentia [17]

Answer:

b)252 is the answer

Step-by-step explanation:

x\42=6

x=6*42

x=252

5 0
2 years ago
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