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vovangra [49]
3 years ago
5

PLEASE HURRY

Mathematics
2 answers:
Dovator [93]3 years ago
6 0

Answer:

c

Step-by-step explanation:

hi

murzikaleks [220]3 years ago
5 0

Answer:d

Step-by-step explanation:

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Write a system of equations to model each situation. Solve using any method:
ivolga24 [154]

Answer:

a=50 b=20

Step-by-step explanation:

Call A and B the 2 present ages.

Ten years from now, A is twice as old as B -->

(A + 10) = 2(B + 10) (1)

Five years ago, A was 3 times as old as B -->

(A - 5) = 3(B - 5) (2).

Solve the system (1) and (2).

From (2) --> A = 3B - 15 + 5 = 3B - 10.

Replace this value of A into (1) -->

3B - 10 + 10 = 2B + 20 --> B = 20. Then,

A = 3B - 10 = 60 - 10 = 50.

Check

!0 years from now --> A = 60 and B = 30 --> A = 2B .OK

5 years ago --> A = 45 and B = 15 --> A = 3B. OK

6 0
3 years ago
Please Help will give points PLEASE!!!!
Paul [167]

Answer:

I to 16

Step-by-step explanation:

The first point was put on one and the last was on 16

8 0
3 years ago
A rectangle is 12m longer than it is wide. Its perimeter is 68m. Write and equation and show steps to find its length and width.
Galina-37 [17]

Answer:

  length: 23 m; width: 11 m.

Step-by-step explanation:

The perimeter of a rectangle is twice the sum of its length and width, so that sum is 34 m. Then you can write two equations in length and width:

  l + w = 34

  l - w = 12

Adding these together gives you ...

  2l = 46

  l = 23 . . . . . . divide by 2

Then the width is

  w = 23 -12 = 11

The length and width are 23 m and 11 m, respectively.

4 0
3 years ago
After a day of shopping, Hannah spent $150. This is 75% of the amount she got from her mom. How much money did she get from her
azamat

Answer:

Hannah got $200 for her mom

Step-by-step explanation:

With the numbers in this question you don't even have to worry about percentages.

You can think of it in quarters:

75% is 3 quarters of 100%

(25% + 25% + 25% + 25%)

$150 is 3 quarters of $200

($50 + $50 + $50 + $50)

Hope this helps and isn't a confusing way of explaining it! :)

6 0
3 years ago
What is the graph of the function f(x) = the quantity of x plus 2, all over x minus 3
Andrej [43]

Answer:


Step-by-step explanation:

The given function is f(x)=\frac{x+2}{x-3} and we need to graph it.

In order to graph this function, we'll find below things:

Horizontal asymptote:

Since the degree of both numerator and denominator is same. Hence, the horizontal asymptote is the ratio of leading coefficient of numerator to the leading coefficient of  denominator.

Horizontal  asymptote is y = 1/1 = 1

Vertical asymptote:

Vertical asymptote occurs where the denominator is zero.

x-3=0\\x=3

x-intercepts:

For x-intercept, y = 0

\frac{x+2}{x-3}=0\\\\x+2=0\\x=-2

y-intercepts:

For y-intercept, x= 0

y=\frac{0+2}{0-3}=0\\\\y=-\frac{2}{3}

Using these, we can draw the graph of the rational expression.


5 0
3 years ago
Read 2 more answers
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