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Anestetic [448]
3 years ago
13

4(5+x) = 20 + blank please answer i also need to study for test after this!!!!

Mathematics
2 answers:
dangina [55]3 years ago
4 0
4(5+x)=20
distribute 4 to 5 and x; becoming 20+4x=20
subtract 20 from 20; becoming 4x=0
divide 4 by both sides; and x=0
grin007 [14]3 years ago
3 0

Answer:0

Step-by-step explanation:

You distribute the 4 on 5&x which will then be 20. Your equation is now 20+4x=20 you then subtract the twenty so then it’s 4x=0 divide by 4 on both sides which gives you 0

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Answere 4 and 6 PLEASE show work
max2010maxim [7]
I think 4 is 3 pages plus 1/4=3 1/4

and 6 is 5+1/3= 5 1/3

hope this helpa
6 0
3 years ago
A farmer was counting his chickens and pigs. He had 16 animals in all and counted 54 legs. How many chickens does he have
Vikentia [17]

Answer:

5 chickens

Step-by-step explanation:

Let's set chickens and pigs with variables "c" and "p" respectively.

We know there a 16 animals in all, so there are:

c+p=16

We know there are 54 legs and chickens have 2 legs and pigs have 4 legs each:

2c+4p=54

Now we have our system of equations:

c+p=16

2c+4p=54

We are trying to find the number of chickens, so we write the first equation in respect to c.

p=16-c

Substituting the first derived equation to equation two:

2c+64-4c=54

Simplifying:

64-2c=54

2c=10

c=5

So there are 5 chickens.

8 0
3 years ago
What is the value of x when -25(x - 4) = -55(x - 10) ?
Free_Kalibri [48]

Simplify both sides of the equation

-25(x-4)=-55(x-10)

(-25)(x) + (-25)(-4)=(-55)(x) + (-55) (-10)

Distribute

-25x+100=-55x+550

Add 55x  to both sides

-25x+100+55x=-55x+550+55x

30x+100-100=550-100

subtract 100 from both sides

30x+100-100=550-100

30x=450

divide both sides by 30

30x/30=450/30

x= 15

The value of x is 15


I hope that's help you my friend !

5 0
3 years ago
Read 2 more answers
Factor completely. 25w² + 60w + 36 Express the answer in the form (aw+b) 2 .  
Lana71 [14]
<span>25w² + 60w + 36
= (5w + 6)^2

hope it helps</span>
6 0
3 years ago
Due at 11:59 P.M. Please Help
maw [93]

Answer:

multiply both sides by 30 in fraction form 30 / 30

& 570 for the blank square for numerator of 30

Step-by-step explanation:

8 0
3 years ago
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