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Alex787 [66]
3 years ago
6

Please help me, it's for a unit test.

Mathematics
2 answers:
777dan777 [17]3 years ago
6 0

Answer:

add 3 and 4 which will make 25 and you'll get your answer and and then add 56 and done

zmey [24]3 years ago
5 0

Answer:

7

Step-by-step explanation:

Just add 3 + 2 + 2 = 7

First, you find the ones that are $30 or above

These are 3, 2, and 2.

Then, you add 3 + 2 + 2

That equals 7

Lastly, 7 dinners of $30 or more are included in this histogram.

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Yuri has 2/7 of a bag of carrots. If he eats half the carrots, what fraction of the bag of carrots will she have left ?
olga2289 [7]

Yuri will have 1/7 of a bag of carrots left. This is because half of 2 is 1.

4 0
3 years ago
Read 2 more answers
How to simplify (81^-0.25)^3
IRISSAK [1]
(81^-0.25)^3 = ( 1 / (81^0.25) )^3 

<span>81^.025 is the 4th root of 81 which is 3 </span>
<span>Therefor </span>
<span>( 1 / (81^0.25) )^3 = (1/3)^3 </span>

<span>(1/3)^3 = 1/27 <-----

Hope I Helped You!!! :-)

Have A Good Day!!!</span>
4 0
3 years ago
Is it ever possible for the domain and range in a function to have different numbers of entries (for example, 3 domain entries t
wariber [46]
No , & More Than Likely If It Is To Happen It's Because The Domain Entry Repeated A Number Mulitiple Times
5 0
3 years ago
Help Me PLEASE!!! Simplify The Equation (2nd question)
scoray [572]
I think it would be 8-3, not 7. 8x - 2x + 5x = (8-5)x + 5x
5 0
3 years ago
for what value of k, the line joining 3x-ky+7=0 is perpendicular to the line joining (4 ,3) and ( 5, -3).
Schach [20]

Answer:

  • k = 18

=========

<h2>Given</h2>

<h3>Line 1</h3>
  • 3x - ky + 7 = 0

<h3>Line 2</h3>
  • Passing through the points (4, 3) and (5, - 3)

<h2>To find</h2>

  • The value of k, if the lines are perpendicular

<h2>Solution</h2>

We know the perpendicular lines have opposite reciprocal slopes, that is the product of their slopes is - 1.

Find the slope of line 1 by converting the equation into slope-intercept from standard form:

<u><em>Info:</em></u>

  • <em>standard form is ⇒ ax + by + c = 0, </em>
  • <em>slope - intercept form is ⇒ y = mx + b, where m is the slope</em>

  • 3x - ky + 7 = 0
  • ky = 3x + 7
  • y = (3/k)x + 7/k

Its slope is 3/k.

Find the slope of line 2, using the slope formula:

  • m = (y₂ - y₁)/(x₂ - x₁) = (-3 - 3)/(5 - 4) = - 6/1 = - 6

We have both the slopes now. Find their product:

  • (3/k)*(- 6) = - 1
  • - 18/k = - 1
  • k = 18

So when k is 18, the lines are perpendicular.

4 0
2 years ago
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