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steposvetlana [31]
3 years ago
11

Which solutions is the correct one?

Mathematics
2 answers:
umka21 [38]3 years ago
6 0
A. (Point on negative x-axis)
Debora [2.8K]3 years ago
5 0

Answer:

Apoint on negative x-axis

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Explain how to find 40x80 using mental math
nadya68 [22]

so 40 * 80 = 3,200

4 * 8 = 32

Then add the two 0's to the end

so 3,200

5 0
3 years ago
Read 2 more answers
Write the expression 3m - 4n - 8 as a sum
vlada-n [284]
3m - 4n - 8 = 3m + (-4n) + (-8)

The trms of the expression: 3m; -4n; -8
8 0
3 years ago
IThere are 5 times as many males as females on the maths course at university. What fraction of the course are male? Give your a
melomori [17]

Answer:5/1

Step-by-step explanation:5 times 1 is 5 so for every female it’s 5 male

6 0
3 years ago
Solve the equation. Check for extraneous solutions<br><br> please help!!!
lozanna [386]
!z!=a→z=a or z=-a; z=4x+3, a=9+2x

!4x+3!=9+2x
1) 4x+3=9+2x
Solving for x:
4x+3-3-2x=9+2x-3-2x
2x=6
2x/2=6/2
x=3

Checking for extraneous solution:
!4x+3!=9+2x
x=3→!4(3)+3!=9+2(3)
!12+3!=9+6
!15!=15
15=15 Ok, then x=3 is not a extraneous solution 

2) 4x+3=-(9+2x)
Solving for x:
4x+3=-9-2x
4x+3-3+2x=-9-2x-3+2x
6x=-12
6x/6=-12/6
x=-2

Checking for extraneous solution:
!4x+3!=9+2x
x=-2→!4(-2)+3!=9+2(-2)
!-8+3!=9-4
!-5!=5
5=5 Ok, then x=-2 is not a extraneous solution

Answer:
x = -2 or 3 
4 0
3 years ago
Layla is making pizza for a pizza party each pizza requires 1/8 pound of cheese how many pounds of cheese does she need to make
user100 [1]

10/80 pounds of cheese

1/8×10=10/80

6 0
3 years ago
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