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Darya [45]
3 years ago
11

4x + y = 4

Mathematics
1 answer:
Aneli [31]3 years ago
7 0

Answer:

if u substract the equations u get 4x = 1, therefore x = 1/4

Step-by-step explanation:

(8x + y) - (4x + y) = 5 - 4

4x = 1

x = 1/4

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Look at the sections between the whole numbers on the number line below. How many equal parts are in each section? What fraction
noname [10]
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3 0
3 years ago
HELP MEE!!! PLEASE
prohojiy [21]

Answer: 45 items

Step-by-step explanation:

2 key chains in 5 bags so 2+2+2+2+2=10

Then it says 7 treats in each 5 bags so

7+7+7+7+7=35

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And put 9 items in each bag

3 0
2 years ago
Given f(x)=x-7/3 solve for f^-1(4)
GrogVix [38]
I hope this hepls you


f⁻¹(x)=3x+7


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8 0
3 years ago
The manager of a supermarket wants to obtain information about the proportion of customers who dislike a new policy on cashing c
alex41 [277]

Answer:

n = 61 costumers

Step-by-step explanation:

For calculating the number of costumers he should sample we use the next equation:

n = \frac{z_{1-\alpha/2}^{2}p(1-p)}{E^{2} }

                          Where E is the error that we are prepared to accept, in this  case E = 0.15

How we don't know the value of p, we can estimate it like p = 0.5

∝ = 1-0.98 = 0.02

1-∝/2 = 0.99

z_{0.99} = 2.33

n = \frac{(2.33^{2})(0.5)(1-0.5)}{0.15^{2} }

n = 60.32 costumers

n ≈ 61 costumers

4 0
3 years ago
How many 3/4s are in 2? Draw a tape diagram
kaheart [24]

Answer:

8/3, or 2 if you want a whole number

Step-by-step explanation:

Well, the simple answer is 2/(3/4). This is nothing but 2*4/3, which is just 8/3. (I used the theorem that states that dividing is the same as multiplying by the reciprocal)

4 0
3 years ago
Read 2 more answers
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