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Anit [1.1K]
3 years ago
12

at barton high school 45 students are taking japanese. This has been increasing at a rate of 3 students per year. the number of

students taking german is 108 and has been decreasing at a rate of 4 students per year at these, when will the number of students taking Japanese equal the number of students taking german
Mathematics
1 answer:
weqwewe [10]3 years ago
6 0

45 + 3x and 108 - 4x

45 + 3x = 108 - 4x

3x = 108 - 45 - 4x

3x = 63 - 4x

9x = 63

x = 63/9

x = 7



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I need help on this question please help
maria [59]

Answer:

The area of each figure is:

  • <u>Area of the rectangle = 10 square units.</u>
  • <u>Area of the triangle = 10 square units.</u>
  • <u>Area of the figure = 20 square units.</u>

Step-by-step explanation:

To find the area of that figure, first, we're gonna find the area of the rectangle and next the area of the triangle, to make this we need to identify the measurement of each one, the rectangle has 2 units wide and 5 units high, then, we use the next formula:

  • Area of a rectangle = width * height
  • Area of a rectangle = 2 units * 5 units
  • <u>Area of a rectangle = 10 square units</u>

Now, we identify the measurements of the triangle (base = 4 units, height = 5 units) and we use the formula:

  • Area of a triangle = (base * height) / 2
  • Area of a triangle = (4 units * 5 units) / 2
  • Area of a triangle = (20 square units / 2
  • <u>Area of a triangle = 10 square units</u>

And we obtain the area of the whole figure when we add the two areas:

  • Area of the figure = area of the triangle + area of the rectangle
  • Area of the figure = 10 square units + 10 square units
  • <u>Area of the figure = 20 square units</u>.

As you can see, <u><em>the area of the picture is 20 square units</em></u>.

6 0
3 years ago
How many four-digit personal identification numbers (PIN) are possible if the PIN cannot begin or end with a 0 and the PIN must
Masteriza [31]
There would be 4500 combonations
4 0
3 years ago
Read 2 more answers
Parvana record's the transactions for her bank account for the week . On Monday, she made a deposit of $45. On Tuesday she used
Andrews [41]

Answer:

The correct answer is +45; -18; -7.

Step-by-step explanation:

Parvana records the transactions for her bank account for the week .

On Monday, Parvana deposited $45. Thus Parvana made an addition of $45 in her account. Therefore a +45 integer is used to represent this transaction into her account.

On Tuesday she used her debit card to $18 for a new shirt. Thus Parvana made a deduction of $18 from her account. Therefore a -18 integer is used to represent this transaction into her account.

On Thursday she withdrew $7 from an ATM. Thus Parvana made a deduction of $7 from her account. Therefore a -7 integer is used to represent this transaction into her account.

Thus the integers +45; -18 and -7 are used to represent transactions in Parwana's account.

6 0
3 years ago
Which is the graph of g(x)=10/x
Elan Coil [88]

Answer:

y=0

Step-by-step explanation:

Find where the expression  

10

x

is undefined.

x

=

0

Consider the rational function  

R

(

x

)

=

a

x

n

b

x

m

where  

n

is the degree of the numerator and  

m

is the degree of the denominator.

1. If  

n

<

m

, then the x-axis,  

y

=

0

, is the horizontal asymptote.

2. If  

n

=

m

, then the horizontal asymptote is the line  

y

=

a

b

.

3. If  

n

>

m

, then there is no horizontal asymptote (there is an oblique asymptote).

Find  

n

and  

m

.

n

=

0

m

=

1

Since  

n

<

m

, the x-axis,  

y

=

0

, is the horizontal asymptote.

y

=

0

There is no oblique asymptote because the degree of the numerator is less than or equal to the degree of the denominator.

No Oblique Asymptotes

This is the set of all asymptotes.

Vertical Asymptotes:  

x

=

0

Horizontal Asymptotes:  

y

=

0

No Oblique Asymptotes

image of graph

3 0
3 years ago
What is the image of (−8,−8) after a dilation by a scale factor of 1/2 centered at the origin?
Romashka-Z-Leto [24]

Answer:

(-4,-4)

Step-by-step explanation:

Since this is centered at (0,0), we have to multiply the x and the y coordinates by the scale factor.

-8 × 1/2 = -4

7 0
3 years ago
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