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Alex_Xolod [135]
4 years ago
9

How can you show two objects are proportional with a table,graph, and a equation?

Mathematics
1 answer:
Over [174]4 years ago
4 0
See where the x and y axis cross on a graph
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Sebastian solves each inequality in the compound inequality -7 < 4x -5 less than or equal to 3. He gets the solution x greate
rosijanka [135]
  • The solution for the compound inequality is: -0.5 < x \leq 2
  • The graph is given at the end of the question.

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

The compound inequality is given by:

-7 < 4x - 5 \leq 3

Thus, we need:

4x - 5 > -7 and 4x - 5 \leq 3

That is, values of x that respect both these conditions.

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

For the first inequality:

4x - 5 > -7

4x > -2

x > -\frac{1}{2}

x > -0.5

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

For the second inequality:

4x - 5 \leq 3

4x \leq 8

x \leq \frac{8}{4}

x \leq 2

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

  • Considering that both conditions are needed, the solution is: -0.5 < x \leq 2
  • The graph on the number line is given next.

A similar problem is given at brainly.com/question/24009950

5 0
3 years ago
I have 30 coins consisting of nickels, and quarters. The total value of the coins is $4.10. How many of each kind do I have?
Vedmedyk [2.9K]
A=#nickels, b=#quarters

5a + 25b = 410 total value

5(a + 5b) = 410

a + 5b = 82

a + b = 30 total no. of coins

subtracting . . . 4b = 52

thus b = 13 and a = 17

13 quarters and 17 nickels = 13*25 + 17*5 = 410 = $4.10
5 0
4 years ago
To open a combination lock, you turn the dial to the right and stop at a number; then you turn it to the left and stop at a seco
Tomtit [17]

Answer:

1728

Step-by-step explanation:

There are 12 numbers that can be used for the first number; 12 for the second number; and 12 for the third number.  This means there are a total of

12(12)(12) = 1728 combinations.

4 0
3 years ago
Read 2 more answers
I Have No Idea How To Do This, Does Anyone Have An Idea To Calculate This?
Natasha2012 [34]

Answer:

AOB = 55°

BOC = 87°

COD = 130°

AOD = 88°

Step-by-step explanation:

AOB = a°

= 55°

BOC = b°

= 87°

COD = c°

= 130°

AOD = 360°-AOB-BOC-COD

= 360°- a° - b° - c°

= 360° - 55° - 87° - 130°

= 88°

(Correct me if i am wrong)

8 0
3 years ago
Read 2 more answers
Solve for the roots in simplest form using the quadratic formula:<br> 3x2 + 36 =<br> 24x
sertanlavr [38]

Answer:

x=6,2

Step-by-step explanation:

4 0
3 years ago
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