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Maslowich
3 years ago
11

HELP! I will mark you the brainiest!

Mathematics
2 answers:
Ymorist [56]3 years ago
6 0
#5: cost: y
Number of beads: x
y=0.48*x
So for 4 beads: 1.92
for 5 beads: 2.4

#6: the x th term in the sequence is y
y=17-2x
The 10th term is -3
andrezito [222]3 years ago
3 0

Answer:

4 dozen- 1.94

5 dozen- 2.40

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

9 dozen - 4.32

10 dozen- 4.80

Step-by-step explanation:

The rate is 0.48, each dozen is 0.48 and as the dozens add up, you just add 0.48 to the previous dozen to get the next one.

Your expression would look like this:

x + 0.48 = y

x being the previous dozen and the y being the next one after adding 0.48


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Solve a) 2(x+3)=x-4 b) 4(5x-2)=2(9x+3)
Nat2105 [25]

Answer:

a) -10 b) 7

Step-by-step explanation:

a) 2(x+ 3) = x - 4

2x + 6 = x - 4

2x - x = -6 - 4

x = -10

b) 4(5x - 2) = 2(9x + 3)

20x - 8 = 18x + 6

20x - 18x = 6 + 8

2x = 14

x = 14/2

x = 7

5 0
3 years ago
Read 2 more answers
Nool
larisa [96]

Answer:

Step-by-step explanation:

4x = 60

60/4 = 15

width : 15

length: 45

4 0
3 years ago
Solve the system using the substituiton method<br> branliest offered<br> 3x-7y=10<br> x-4y=5
fiasKO [112]
Hi there!

To solve this problem using substitution, we need to set x equal to a value and substitute it into the other equation.

Since
x - 4y = 5,
x = 5 + 4y

3x - 7y = 10
3(5 + 4y) - 7y = 10
15 + 12y - 7y = 10
15 + 5y = 10
5y = -5
y = -1

Now that we know y is -1, we can substitute it back into the equation to find x:

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

So, your answers are x = 1 and y = -1.

Hope this helps!
6 0
3 years ago
Divide 54 into two parts so that four times the greater equals five time the less​
LUCKY_DIMON [66]
Let the both the parts be 'x' and 'y'
x>y
We know that 4x = 5y
so x = 5y/4
x + y = 54
Replacing x we get
(5y/4) + y = 54
(5y +4y)/4 = 54
9y = 216
y = 24
Replacing y in ' x+y = 54'
we get x = 30

Hence the larger part is 30 whereas the smaller part is 24
5 0
3 years ago
Y varies inversely with x k = 4.5 What is the value of x when y is 9?
masya89 [10]
C because i just took de test
7 0
3 years ago
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