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enot [183]
3 years ago
5

Are the lines Y= -X +5 and 2X + 2y=6 perpendicular?

Mathematics
1 answer:
Dafna1 [17]3 years ago
6 0

Answer:

no

Step-by-step explanation:

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Only answer #5 <br><br><br>Please help me and thx and if u can answer #6 too if u can
Marianna [84]

Answer:

5. D

6. C

Step-by-step explanation:

<u>Question 5</u>

Lets plug in values of x and y into each equation to see which one works for the entire data set...

y=2x-4

1) Plug in -7 as x and -18 as y:

-18=2(-7)-4

2) Multiply:

-18=-14-4

3) Subtract:

-18=-18

The answers are the same, therefore the correct answer to question 5 is equation D. Keep in mind, you want to check ever single pair of points to make sure it works for all of them, I'm just not going to list that as it would make this answer a lot longer for no reason.

<u>Question 6:</u>

We know that the cost for the boat is $25 as a base price, and also costs an additional $1.30 per day for fuel.

The correct equation is C=25+1.30d, because we are adding 1.3 every single day.

4 0
3 years ago
In each of the following problems, type the price per unit per oz in blanks a. and b, then pick the best buy.
Kaylis [27]

Answer:

B the 2 lb bread for 1.75

Step-by-step explanation:

The dollar per ounce for bread is $0.058 .

The dollar per ounce of bread is $0.055 .

b is the  best buy .

Step-by-step explanation:

First part

As given

Bread, 1 lb. loaf for 96¢ would .

As

1 dollar = 100 cent

Now convert 96¢ into dollars .

                     = $0.96

As 1 pound = 16 ounce

Thus

Bread 16 ounce loaf for $0.96 .

Therefore the dollar per ounce for bread is $0.058 .

Second part

Bread, 2 lb. loaf for $1.75

As  1 pound = 16 ounce

2 pound = 2 × 16 ounce

             = 32 ounce

Dollar per ounce = $ 0.055

Therefore dollar per ounce of bread is $0.055 .

Third part

As dollar per ounce for Bread, 2 lb. loaf for $1.75 is less as compared to Bread 1 lb. loaf for 96¢  .

Therefore b is the  best buy .

3 0
3 years ago
Calculate 6 P 6 note n p r equals n Over N - r​
Murrr4er [49]

Answer:

7

Step-by-step explanation:

n! Might be 7, and n might be 6. r might also be 6. So 6 - 6= 0! = 1

So I think it might be 7 ÷ 1, which is 7.

7 0
3 years ago
What is the value of the function at x=−2? (98 points)
Archy [21]
The answer is c, y=2. if you look at the graph you can see that where x=-2 the line intersects the y axis at +2.
8 0
3 years ago
Plz help me plz!!!!!!​
Mice21 [21]

Answer:

6. was Narbada alienated ...?

7. did Pratima make ...?

8. did Zayasha wander ...?

9. Did Sachin behave as if...?

10. did susan look ...?

12. do <u>sarina and sazina</u> jump ...? (plural noun)

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Step-by-step explanation:

yes/ no question:

Past simple: Did + S + V-bare...?

Passive voice (Past simple): Was/ Were + S + V3/ed (<em>past participle</em>)

4 0
2 years ago
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