All categories

3 years ago

Lydia writes the equation below with a missing value.

Mathematics

2 answers:

vichka [17]3 years ago

8 0

Answer:

If she puts 0 in the box she would have a direct variation.

Step-by-step explanation:

Given : Lydia writes the equation y = 5x - __ with a missing value.

She puts a value in the box and says that the equation represents a direct variation.We have to choose the correct option from the given options that explain that the equation could represent a direct variation.When two variables are such that one is a constant multiple of other, we said they are in Direct variation.

That is in form of y = ax , here y and x are in direct variation.Consider the given equation y = 5x - __

For the equation to be in direct variation the value of missing term has to be 0.

then equation becomes,y = 5x

Thus, If she puts 0 in the box she would have a direct variation.

Option (a) is correct.

goblinko [34]3 years ago

7 0

Answer:

Step-by-step explanation:

You might be interested in

A number,y,is 2 more than 3 times another number,x, the sum of the 2 numbers is 26. What are the two numbers?

Ivanshal [37]

Y = 2 + 3x
x + y = 26

Substitute:
x + (2 + 3x) = 26
4x + 2 = 26
4x = 24
x = 6

6 + y = 26
y = 20

3 0

3 years ago

The 1992 world speed record for a bicycle (human-powered vehicle) was set by Chris Huber. His time through the measured 200 m st

aleksklad [387]

Answer:

Speed of Chris Huber = 30.726 m/s

Time taken by Sam = 5.55 s

Step-by-step explanation:

Given:

Distance = 200 m

Time taken by Chris Huber = 6.509 s

Now,

Speed of Chris Huber = $\frac{\textup{Distance}}{\textup{Time}}$

Speed of Chris Huber = $\frac{\textup{200 m}}{\textup{6.509 s}}$

Speed of Chris Huber = 30.726 m/s

Speed of Sam = Speed of Chris Huber + 19.0 km/h

Now,

1 km/hr = 0.277778 m/s

thus,

19.0 km/h = 19.0 × 0.27 = 5.278 m/s

thus,

Speed of Sam = 30.726 + 5.278 = 36.004 m/s

therefore,

Time taken by Sam = $\frac{\textup{Distance}}{\textup{Speed}}$

Time taken by Sam = $\frac{\textup{200}}{\textup{36.004}}$ = 5.55 s

6 0

3 years ago

Perimeter of a square or a rectangle

Ira Lisetskai [31]

Answer:

perimeter of square = s+s+s+s

= 15+15+15+15

= 60 ft

4 0

3 years ago

Read 2 more answers

in the 1980s, an average mortgage range was around 18.75%. how much less per month would a $125,000 30 year mortgage be today if

tino4ka555 [31]

Answer:

$1289.48

Step-by-step explanation:

A financial calculator tells you the payment with the higher interest rate is $1960.51, and that with the lower interest rate is $671.03. The difference in payment amounts is ...

$1960.51 -671.03 = $1289.48

3 0

3 years ago

Read 2 more answers

The ratio of the length to the width of a picture is 5:2. The picture is enlarged so that its length is 15 inches now. What is t

Maru [420]

The answer is B.
The ratio is multiplied by three so 5 times 3 is 15 and 2 times 3 is 6.

8 0

3 years ago