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3 years ago

NEED HELP ASAP PLS AND THANK YOU!!!!

Mathematics

2 answers:

Liono4ka [1.6K]3 years ago

8 0

Answer:

Step-by-step explanation:

Urgent urgent urgent urgent

You're urgent

marysya [2.9K]3 years ago

8 0

Not sure but think it’s the last one

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For what value of c does the following system have no solution? 1/2x+1/5y=2 5x+2y=c

Minchanka [31]

Answer:

Step-by-step explanation:

$\frac{1}{2}x+\frac{1}{5}y = 2 \mid 5x + 2y = c$

First let's multiply the 1st equation by 10.

$5x + 2y = 20 \mid 5x + 2y = c$

So, we can see that the equations have the same coefficients and that implies they are equal.

So the equation has no solutions for. $c \in R \setminus{20}$

3 0

3 years ago

Read 2 more answers

7 + 7x; 7(x+1) Are these equivalent? TRUE or FALSE?

avanturin [10]

Answer:

I believe it would be true

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3 years ago

Jerry has a part-time job at a supermarket. The ordered pairs show the number of hours he worked for (input values) and the numb

Karo-lina-s [1.5K]

Answer:

Yes

Step-by-step explanation:

The ordered pairs are (6,72) (8,96) (5.5, 66) (9,108) (7,84).

The number of hours worked is $x$ and the money earned is $y$ .

Let us divide the values of $y$ by $x$

$\dfrac{72}{6}=12$

$\dfrac{96}{8}=12$

$\dfrac{66}{5.5}=12$

$\dfrac{108}{9}=12$

$\dfrac{84}{7}=12$

The fuction which defines the above ordered pairs is $y=12x$

It can be seen that the amount of money earned is 12 times the number of hours worked.

So, per hour Jerry earns 12 dollars.

Hence, the ordered pairs are relation.

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3 years ago

Miracle sells 28 dozens of donuts on Wednesday. Each dozen cost $18. How much is one

Nutka1998 [239]

Answer:

$1.5

Step-by-step explanation:

if each dozen cost $18, we need to divide.......18/12........because 12 is a dozen.

18/12 = 1.5

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3 years ago

Two clocks are turned on at the same time. One clock chimes every 15 minutes. The

Kisachek [45]

Answer:

In 75 minutes, they will chime in together.

Step-by-step explanation:

First clock- 15, 30, 45, 60, 75

Second clock- 25, 50, 75

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3 years ago