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Anestetic [448]
3 years ago
5

Nine times a number decreased by four

Mathematics
2 answers:
Wewaii [24]3 years ago
7 0
The answer for this question is 9x-4
PolarNik [594]3 years ago
5 0

Answer: 9x - 4

Step-by-step explanation:

We know that a number must be decreased by four. Let's break it up a little.

Nine times <em>some </em>number. We don't know what nine will be multiplied by, so we will just write a placeholder number: x. This number will be multiplied by nine. So it will turn into 9x.

We must decrease (subtract) from this by four. Subtracting 9x by four can be written as 9x - 4.

You might be interested in
What is the soulution to the compound inequality 2&lt;3x-1-&lt;5
zzz [600]
2 < 3x - 1 < 5 ....add 1 to all sections
2 + 1 < 3x - 1 + 1 < 5 + 1 ...simplify
3 < 3x < 6...now divide all sections by 3
3/3 < (3/3)x < 6/3...simplify
1 < x < 2 <===

but if u have trouble doing it this way, u can split it
2 < 3x - 1                    3x - 1 < 5
2 + 1 < 3x                   3x < 5 + 1
3 < 3x                          3x < 6
3/3 < x                          x < 6/3
1 < x                             x < 2
now put them together.....1 < x < 2 <==

either way, u will get the same answer

7 0
3 years ago
Jenny had a snack mix. For every 2 chocolate chips, there are 6 peanuts. If there are 108 peanuts in the mix,how many chocolate
JulijaS [17]
Use proportions. 

2 chocolate chips : 6 peanuts =     ?   chocolate chips : 108 peanuts

Find the scale factor of the information that matches. In this case it would be 108 peanuts divided by 6 peanuts. Then use this scale factor to multiply 2 chocolate chips by to get your answer.

SF: 108 <span>÷ 6 = 18

18 x 2 = 36 chocolate chips

2 chocolate chips : 6 peanuts =  36 chocolate chips : 108 peanuts

ANSWER: If there are 108 peanuts in the mix, there will be 36 chocolate chips in the mix.</span>
6 0
4 years ago
Which direction would the graph of y= -[x]+9​
murzikaleks [220]

The direction of the graph would go <u>downwards</u> as it has a negative slope. Additionally, the line will start from 9 since that is the y-intercept.

5 0
3 years ago
How many positive integers are between 3/2 and 21/4 ?<br> A : 2<br> B : 3<br> C : 4<br> D : 5
kvasek [131]

Answer:

4 integers

Step-by-step explanation:

We are given with two fractions

3/2 = 1.5  and 21/4 = 5.25

Let us draw a number line first and then we plot these two numbers on them.

Please refer to the picture attached. Here we see the number line in black line , where the integers are starting with 0. We have plotted the numbers 1.5  and 5.25  in red.

We are asked to determine the number of integers that lies between 1.5 and 5.25.

The definition of integer says , the whole numbers which be negative also including 0.

Hence we can see that there are 4 whole numbers between 1.5 and 5.25 ,

2,3,4,5

Hence our answer is 4 integer

5 0
4 years ago
5 1/2 pounds of almonds cost $20.90
zloy xaker [14]
$15.40

(Hope this helps)
6 0
3 years ago
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