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Rom4ik [11]
2 years ago
6

I really need help with this

Mathematics
1 answer:
brilliants [131]2 years ago
7 0

Answer:

1) 7x4. 2) 7 divided by 4

Step-by-step explanation:

Tell me if I’m wrong please

You might be interested in
Justify each step of the solution by stating the property that was used to get to each step.
trapecia [35]

For this case we have the following expression:

4.5 (8-x) + 36 = 102-2.5 (3x + 24)

Applying distributive property to the terms within parentheses we have:

36-4.5x + 36 = 102-7.5x-60

We add similar terms on both sides of equality considering that:

Equal signs are added and the same sign is placed.

Different signs are subtracted and the major sign is placed.

72-4.5x = 42-7.5x

We add 7.5x to both sides of equality:

72 + 3x = 42

We subtract 72 from both sides of equality:

3x = -30

We divide between 3 on both sides of equality

x = -10

ANswer:

Distributive property

Add similar terms

Equality property of the sum

Equality subtraction property

Equality property of the division

3 0
3 years ago
I need help with d please.
eimsori [14]
The answer is 472m^3

7 0
2 years ago
The solution shown for the equation is incorrect. What is the correct​ solution? What is the​ error?
Degger [83]
-9(3-r)=45
-27+9t=45
9r=45+27
R=72/9
R=8
The answer is 8 not -8
5 0
3 years ago
❤❤❤please help on this
shtirl [24]

Since you answered the first 2 i can go to c and d.

C can really be anything since it's being multiplied by 0 no matter what you put there it will be 0.

But for D it's 1/10^2

Hope this helps ^^

3 0
3 years ago
What is the slant height of a regular pyramid if its lateral area is 160 units² and the perimeter of the base is 40 units?
SSSSS [86.1K]

Answer:

The slant height of a regular pyramid is l=8\ units

Step-by-step explanation:

we know that

The lateral area of a regular pyramid is equal to

LA=\frac{1}{2}Pl

where

LA is the lateral area

P is the perimeter of the base

l is the slant height

we have

LA=160\ units^{2}

P=40\ units

substitute in the formula and solve for l

160=\frac{1}{2}(40)l

160=20l

l=160/20

l=8\ units

6 0
3 years ago
Read 2 more answers
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