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Andrej [43]
3 years ago
11

Pls answer this I need it quick

Mathematics
1 answer:
Olenka [21]3 years ago
7 0

Answer:

Step-by-step explanation:

5

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How many moles are in 4.23 x 1024 formula<br> units of NaCl
Rashid [163]

Answer:

mol Fe3O4 6.022 x 1023 formula units Fe3O4 = 1.20 x 1024 formula units Fe3O4. 1 mol ... a-How many moles of sodium chloride does the can of salt contain?

Step-by-step explanation:

4 0
3 years ago
M is the midpoint of YZ. If YM = x + 3, and YZ = 3x -1, find MZ
Elenna [48]
2(x+3)= 3x-1
2x+6=3x-1
X=7
Therefore
YM = 7+3= 10
And by definition of midpoint YM=MZ so MZ=10
3 0
3 years ago
I need step by step explanation with answers please answer I’ll mark ya as brainlist
Svetradugi [14.3K]

Answer: Mark me as brainlist

1.

a. 5

b.5300

c.-891

d.-312

2.

a. y=3

b.x=-3

c.z=4

d. y=4.33

Step-by-step explanation:

1

a.Solution:

-32÷8×2+2+1

=-4×2+2+1

=-8+2+1

=-8+3

=-5

b. Solition:

53×9+109×53

=477+5777

=5300

c. Solution:

-891

d. Solution:

-63×12+12×37

=-756+444

-312

2.

a. Solution:

5y-3+3=-18+3

5y=-15

y=-15/5

y=3

b. Solution:

-3x-9+9=0+9

-3x=9

x=9/-3

x=-3

c. Solution:

4+3-3(z-8-3)=-23-3

4(z-5)=-20

4z-20=-20

4z-20+20=-20+20

4z

z=4

d. Solution:

1-2+2(y-4+2)=5+2

3(y-2)=7

3y-6=7

3y-6+6=7+6

3y=13

y=13/3

y=4.33

4 0
3 years ago
Which equation is equivalent to the given equation? 7m + 11 = -4 (2m +3)
VARVARA [1.3K]

Answer:

15m=-23

Step-by-step explanation:

8 0
3 years ago
10. T-shirts normally cost $12 each. Two shops have a
lilavasa [31]

Answer:

The EcoShir shop

Step-by-step explanation:

as he needs to pay 4dollar for 1 shirt

so if he pays for 3 = 12 dollar for 4 shirts

and thus need to pay maximum 96 dollars

for 32 Tshirts

but needs to pay 120 in budgetShirts for 30 Tshirts

6 0
3 years ago
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