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Lera25 [3.4K]
3 years ago
14

I need help please help me

Mathematics
1 answer:
Leviafan [203]3 years ago
5 0
Is that the Algebra work/practice book? If so, go into algebra nation and they have videos where they go step by step through the questions. Hope this helps?
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50 POINTS AND BRAINLIEST 3. Write an inequality of the form Ax + B ≤ C to represent the word problem using your answers for A, B
lisabon 2012 [21]

Answer:

Step-by-step explanation:

A possible word problem for 3x+10 ≤75 could be

Mat has $75 dollars saved in his wallet and wants to use it for go carts. Knowing that the entrance to the park is $10, and each time around the go cart course is $3 what is the maximum times he can go around?

3x+10 ≤ 75, subtract 10 from both sides

    3x ≤ 75-10, divide both sides by 3

      x ≤ 65/3  

 or  x ≤ 21.(6)

So it can go around 21 times the most.

4 0
3 years ago
How many times does X squared minus 4X -12 cross the X axis
kolbaska11 [484]

We can solve this problem using discriminant.

x^2-4x-12's discriminant is

(-4)^2-4*-12=16+48 which is clearly larger than 0

This means that it crosses over the axes 2 times.

In case you don't know what discriminant is, its in equation ax^2+bx+c

the discriminant is b^2-4ac.

If its positive it has 2 crosses with x axis, if negative then 0 crosses, if 0 then 1 cross.

Hope this helped at least a little bit :D

4 0
3 years ago
A. If she buys a pair of jeans for $102.25 and two shirts that each cost $44.27
slava [35]

Answer:

$481.54

Step-by-step explanation:

672.33-(102.25+(2)44.27)

672.33-(102.25+88.54)

672.33-190.79

481.54

6 0
3 years ago
Help plz due today i dont want to fail!
4vir4ik [10]
I believe it’s 1/2 hope it helps
4 0
2 years ago
Helpppppp meeeee!!!!!<br> if u answer all 4 questions i´ll give you Brainliest!!!<br><br> NO LINKS!!
kondor19780726 [428]
Here are the right answers
4 0
3 years ago
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