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Pavlova-9 [17]
3 years ago
8

Can I have some help with this

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
3 0
5x - 20 = 4x + 2

X= a number making both expressions equivalent since the picture shows them being equal.

5x - 20 = 4x + 2

1st : We will move the terms.

Note: (anything moved to the other side of the equal sign will change signs)

5x - 4x = 2 + 20

2nd : Calculate,

1x = 22

1x = x

Meaning 1x and x are the same meaning,

x = 22

Now, we must calculate with x being 22...

5 (22) - 20

Solve by multiplying first then subtracting,

110 - 20 = 90

This means 5x - 20 = 90 and if the two expressions were equivalent then 4x + 2 should also equal 90 yet let's check...

4(22) + 2

Solve by multiplying first then subtracting,

88 + 2 = 90

90 = 90

So both expressions equal 90.

Finally, let's calculate 2x + 6 with 22 as x,

2(22) + 6

Solve by multiplying first then subtracting,

44 + 6 = 50
---------------------------------------------------------

Answer : x = 22

---------------------------------------------------------

I hope that helps you out!!

Any more questions, please just ask me!!

~ Zoey
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A population of rabbits on a farm grows by 12% each year. Assume that this increase occurs as new baby rabbits at the beginning
jolli1 [7]

Answer:

a) r₁₂ = 104.36

In general, rₙ = arⁿ⁻¹

b)

- rabbit food consumed during the 10th year is approximately 832 pounds

- rabbit food consumed in total for the 1st through 10th years is approximately 5265 pounds

Step-by-step explanation:

Given that:

r1 = 30 and a farm grows by 12%

a = 30 and the common ratio r = 1.12

now

n           r

1        30.00

2       33.60

3       37.63

4       42.15

5       47.21

6       52.87

7       59.21

8       66.32

9       74.28

10      83.19

11       93.18

12      104.36

Therefore r₁₂ = 104.36

In general, rₙ = arⁿ⁻¹

b)

if each rabbit consume 10 lbs of rabbit food each year

n           r                food consumed(lbs)

1        30.00               300

2       33.60               336

3       37.63                376

4       42.15                422

5       47.21                472

6       52.87               529

7       59.21                592

8       66.32               663

9       74.28               743

10      83.19                832

total                          5265

Therefore, the rabbit food consumed during the 10th year is approximately 832 pounds

And the rabbit food consumed in total for the 1st through 10th years is approximately 5265 pounds

6 0
2 years ago
Y-2=4(x+3) what the slope intercept
Kryger [21]

Answer:

Slope intercept form: y = 4x + 14

Slope: 4

Y-intercept: 14

Step-by-step explanation:

y - 2 = 4(x + 3)

Use distributive property

y - 2 = 4x + 12

y - 2 + 2 = 4x + 12 + 2

y - 0 = 4x + 14

y = 4x + 14

3 0
2 years ago
Easy: look at the picture in this question and please answer it!
Mice21 [21]

Answer: B) 70.50

Step-by-step explanation: john is buying 3 tickets for each of 2 movies total : 6 tickets each ticket costs 11.75

so 11.75*6

= 70.50

3 0
2 years ago
On the opening day at a toy store every third customer gets a ball and every fourth customer gets a stuffed animal sixty people
fgiga [73]
Hi dnsnnsnsnsnsnnsnsn
6 0
2 years ago
James bought 2 bottles of lemonade and 1 bag of crisps for £1.40 . Jill bought 1 bottle of lemonade and 3 bags of crisps for £1.
aleksklad [387]
<span>Hence
2L + C = 1.4
-2L - 6C = -3.4
Add (This will eliminate 'L' )

-5C = -2.0
5C = 2.0
C = 0.4 = £0.40p


2L + 0.4 = 1.40
2L = 1.40 - 0.40 = 1.00
L = 0.50 = £0.50p.

Hence a lemonade (L) costs £0.50p & a Crisps (C) costs £0.40p.</span>
6 0
3 years ago
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