Which of the following is the equation of the line that passes through (2,1) and is parallel to:

Mathematics

1 answer:

yarga [219]2 years ago

5 0

Answer:

y = -5x + 11

Step-by-step explanation:

lmk if you want an explanation

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The Long family and the Harris family each used their sprinklers last summer. The water output rate for the Long family's sprink

horrorfan [7]

Answer:

Step-by-step explanation:

Given

Rate of Long family's sprinkler is 25 L/hr

rate of Harris family's sprinkler is 35 L/hr

Total time for which sprinkler is used =55 hr

Let long family run their sprinkler for x hr

therefore Harris family time=55-x

Total volume collected=1625 L

thus

$25\times x+35\times (55-x)=1625$

25x+1925-35x=1625

1925-1625=10x

300=10x

x=30 hr

long family used for 30 hr and Harris family used for 20 hr

4 0

3 years ago

I really need the answers to these questions

almond37 [142]

Alrighty, so:
Question 9.) We know that each box has a total of three toys, therefore whatever answer we choose must be a multiple of 3. Answer E.) 12 is the only multiple of 3.
Question 10.) The numbers are going up by 13. 63 is what I got as the answer.
Question 11.) A
Question 12.) A

Hope this helps! Been a while since I've done math like this.

6 0

2 years ago

The answers to 4,5,6

Zolol [24]

4. x < 5; 9*5 = 45; The answer has to be less than 45; 45/9 =5; so x has to be less than 5.

5. n <= -3; -14*-3 = -42; The answert has to be greater than or equal to 42; 42/-14 = -3; so n has to be less than -3 or equal to -3.

6. x > 24; The answer has to be less than -6; 24/-4 = -6; so the answer has to be greater than 24.

Hope this helped☺☺

6 0

2 years ago

Which shows a perfect square trinomial?

Setler79 [48]

Answer:

Third choice.

Step-by-step explanation:

Trinomial means you have 3 terms.

You don't have 3 terms in first two choices so let's not look at them.

Anything of the form $a^2x^2+2abxy+ b^2y^2$ is a perfect square trinomial because it can be written as $(ax+by)^2$ .