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4 years ago

Janet has $120 . If she saves $20 per week, in how many days will she have $500?

Mathematics

1 answer:

Nata [24]4 years ago

6 0

500-120= 380 380÷200= 19 so the answer is 19

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18 feet is how many inches

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4 years ago

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Please help me with this

Ne4ueva [31]

Answer:

Option c

Step-by-step explanation:

A system of equations are given to us. And we need to solve them . The given system is

$\begin{cases} y = 2x - 3\dots 1 \\ y = x^2 - 3\dots 2 \end{cases}$

We numbered the equations here . Now put the value of equation 1 in equation 2 that is substituting y = 2x - 3 in eq. 2 .

$\implies y = x^2 - 3 \\\\\implies 2x - 3 = x^2 - 3 \\\\\implies x^2 - 2x = 0 \\\\\implies x(x-2) = 0 \\\\\implies\red{ x = 0 , 2 }$

We got two values of x as 0 & 2 . Alternatively substituting these values we have ,

$\implies y = 2 x - 3 \\\\\implies y = 2(0)-3 \qquad or \qquad y = 2(2)-3 \\\\\implies y = 0-3 \qquad or \qquad 4 - 3 \\\\\implies \red{ y = -3 , 1 }$

Thefore the required answer is ,

$\red{Option\:c} \begin{cases} (0,-3) \\ (2,1) \end{cases}$

4 0

3 years ago

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Question 3 0.6 pts The following two right triangles are similar.If side CB = 33. side AB = 12, and side DE - 4. what is the len

Leno4ka [110]

Answer:

EF = 11

Step-by-step explanation:

AD/DE = 3

Therefore, DC/3 = EF

33/3 = 11

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3 years ago

A firm employing 100 workers has an average absenteeism of 4%. on a given day what is the probability of no workers being absent

Serggg [28]

Answer:

Step-by-step explanation:

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3 years ago

What is 12.28 as a mixed number

kicyunya [14]

12.28 = 12 and 28 hundredths so its 12 $\frac{28}{100}$
Hope I helped!

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3 years ago