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Rina8888 [55]
3 years ago
12

Please help asap!!!!!!

Mathematics
1 answer:
melamori03 [73]3 years ago
7 0
From the plot, the masses of the five smallest sodium chloride samples are all 1/4 ounce. Therefore, we can calculate for their total mass by multiplying the mass by 5:
     total mass = 1/4 ounce * 5
                       = 5/4 or 1.25 ounces

We can get the same result even if we compute for the total mass by taking the sum of their masses: 
     total mass = 1/4 + 1/4 + 1/4 + 1/4 + 1/4
                       = 5/4 oz.
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Solve for n.<br> 11(n-1)+35=3n
kotykmax [81]

Answer:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

Solution

= − 3

11−11+35=3 11+24=3

11+24=311n+24=3n11n+24=3n11+24−24=3−24 1

4 0
3 years ago
2. At 1 pm, you leave Ellensburg at a constant speed of 75 miles per hour. At 2:30 pm, your
MA_775_DIABLO [31]

Here, we are required to determine how many hours your friend will drive in order to catch you.

(a)<em> Your friend will have to drive 7 and a half hours inorder to catch </em><em>you.</em>

<em>(</em><em>b)</em><em> </em><em>You </em><em>both </em><em>will </em><em>be </em><em>6</em><em>7</em><em>5</em><em> </em><em>miles</em> <em>away </em><em>from </em><em>Ellensburg</em><em> </em><em>at </em><em>that </em><em>time.</em>

If you leave at 1 pm; At 2:30pm;

  • That is; 1 and a half hours after leaving; you must have covered a distance, d = 75 × 1.5
  • d = 112.5miles.

Therefore, your position; S after 2:30pm is given by;

S(a) = 75t + 112.5 miles from Ellensburg.

For your friend; travelling at 90miles/hr;

  • His position is given as; S(b) = 90 × t

(a) For your friend to catch you, you both must be in the same position;

  • i.e S(a) = S(b)

75t + 112.5 = 90t

90t -75t = 112.5

t = 112.5/15

t = 7.5hours

(b) To determine how far you both are from Ellensburg; we can either evaluate:

S(b) = 90t or S(a) = 75t + 112.5

Therefore, By evaluating S(b) = 90t.

S(b) = 90 × 7.5

S(b) = 675miles from Ellensburg.

Read more:

brainly.com/question/24234606

6 0
2 years ago
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With _______ insurance, the insured agrees to pay a specific premium each year until death.
Ghella [55]
The answer is A. life insurance that pays a benefit on the death of the insured and also accumulates a cash value.
7 0
4 years ago
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Find a value for x that makes -x greater than 2x
IrinaVladis [17]

Answer:

-3x

Step-by-step explanation:

When you multiply two negatives, they become positive. The answer can be -3, -4, -5 ..... any negative number more than 2

3 0
4 years ago
Is 5/6 and 9/10 equivalent?
givi [52]

Answer:

No, they are not equivalent.

Step-by-step explanation:

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3 years ago
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