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kvv77 [185]
4 years ago
6

May someone help me on this please please please

Mathematics
1 answer:
Leya [2.2K]4 years ago
7 0
The answer is three it is just asking how many times does 15 occur
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4x - 1 < 7 i don’t know what to do
Olin [163]
4x - 1 < 7

To solve for x:

4x - 1 + 1 < 7 + 1

4x < 8

Divide both sides by 4:

4x/4 < 8/4

x < 2
4 0
3 years ago
-8x+3&gt;27 AND -13x+5&gt;57
Svet_ta [14]
For the first one it is -8>24 that statement is false

For the second one it is x>-4
8 0
4 years ago
2 - 2 help pls ill give you brainliest
elena-14-01-66 [18.8K]

Answer:

0..........

Step-by-step explanation:

6 0
3 years ago
1) The perimeter of a rectangular classroom floor is 90 feet. The length of the floor is twice the
lana [24]

Answer: The equation would NOT help us solve for the length and width of the classroom is "x + 2y = 90".

Step-by-step explanation:

Let y be the width of the rectangular classroom floor and x be the length of the rectangular classroom floor .

Given ,

The perimeter of a rectangular classroom floor is 90 feet.

The length of the floor is twice the  width.

i.e. Length =2 (width)

i.e. x= 2y ..(i)

Also, perimeter = 2(length+width)

i.e. 2(x+y)=90\\\\\Rightarrow\ 2x+2y=90

When we put value of x from (i), we get

2(2y) + 2y = 90

Hence, the equation would NOT help us solve for the length and width of the classroom is "x + 2y = 90".

8 0
3 years ago
The mean for this set of data is 95 what is the missing number<br> 103,99,90,86,105,96,__
Gwar [14]
The mean is just the arithmetic average:

(103+99+90+86+105+96+x)/7=95

(579+x)/7=95

579+x=665

x=86
4 0
3 years ago
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