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Katen [24]
3 years ago
9

Help help help help​

Mathematics
2 answers:
sergiy2304 [10]3 years ago
6 0
Try Helena. This is just a wild guess by the way so if i’m wrong dont get mad LOL.
liraira [26]3 years ago
3 0

Answer:

The correct answer is Helena

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Which statement explains how the lines 2x + y = 4 and y = one halfx + 4 are related?
KatRina [158]

Answer:

They are perpendicular

Step-by-step explanation:

To solve this problem .

we will convert the equations in slope intercept form.

Slope intercept  form of equation is y = mx+c

where m is slope of line and c is y intercept.

________________________________

equation 1 is

2x+y = 4

=> y =4 - 2x or y = -2x + 4

comparing it with y = mx + c

m = -2  , c = 4

_________________________________________

equation 2 is y = one halfx + 4 ( one half is same as 1/2)

so equation is

y = x/2 +4

comparing it with y = mx + c

m = 1/2  , c = 4

_________________________________________

Now lets evaluate options

They are parallel.  wrong option

For lines to be parallel slope should be same.

But here slope are different -2 and 1/2 .

Thus lines are not parallel.

__________________________________________

They are perpendicular.  correct option

For lines to be perpendicular, product of slope should be equal to -1.

-2*1/2 = -1

we can see that product of slope should be equal to -1 .

Thus lines are  perpendicular

______________________________________

They are the same line.  wrong option

For lines to be same both slope and y intercept should  be same.

Y intercept is same but the slopes are different -2 and 1/2  .

Thus lines are not  the same line.

__________________________________________

They are not related.       wrong option

As we have found that the lines are perpendicular .

So this option is intuitively wrong

4 0
3 years ago
Assignment: Wed : Finding Unit Rates (7.RP.1, 7. RP.2, 7.RP.2a
spayn [35]

Answer:

5

Step-by-step explanation:

6 0
3 years ago
Judd worked 40 hours this week. He worked 7/10 of the hours outside and the rest inside. How many hours did he work outside?
Mnenie [13.5K]
If you would like to know how many hours did Judd work outside, you can calculate this using the following steps:

40 hours
outside: 7/10 of the hours = 7/10 * 40 hours = 7/10 * 40 = 28 hours

Judd worked 28 hours outside.
3 0
3 years ago
Find the product and express it in scientific notation.
Tresset [83]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
When you Divide a whole number by a fraction with a numerator of one explain how you can find the quotient
kumpel [21]
Well for example: 10/1 divided by 1/2
What you will do you would flip 1/2 it would now become 2/1
Then you change the sign to multiplication so your equation will look like 10/1*2/1 then just multiply from there on out.
6 0
3 years ago
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