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Snezhnost [94]
3 years ago
7

Can anyone help me understand this assignment

Mathematics
1 answer:
sveticcg [70]3 years ago
5 0

Step-by-step explanation:

I know you said to help but I did everything, just adjust the reasons like how your teachers give them I abbreviated mine

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The 9 students in the Environmental Club represent 4% of the students in the seventh grade. How many students are in the seventh
finlep [7]

Answer:

225 students

Step-by-step explanation:

<u><em /></u>9\div4%

<u><em>Calculate</em></u>

<u><em /></u>\frac{9}{0.04}

<u><em>Multiply both the numerator and denominator with the same integer</em></u>

<u><em /></u>\frac{900}{4}

<u><em>Cross out the common factor</em></u>

225

<em>I hope this helps you</em>

<em>:)</em>

7 0
3 years ago
What does x equal? Please help
Norma-Jean [14]

Answer:

x=-9

Step-by-step explanation:

9^{2x-3}=27^{2x+4}\\(3^2)^{2x-3}=(3^3)^{2x+4}\\3^{2(2x-3)}=3^{3(2x+4)}\\3^{4x-6}=3^{6x+12}

As the bases(3) are same,

we can conclude that the powers are equal.

Hence,

4x-6=6x+12\\-6-12=6x-4x\\-18=2x\\x=-18/2\\x=-9

8 0
3 years ago
What is the image of the point (-7,-8)(−7,−8) after a rotation of 270 counterclockwise about the origin?
patriot [66]

Answer:

A' (8,-7)

B' (8,-7)

When rotating a point 270 degrees counterclockwise about the origin our point A(x,y) becomes A'(y,-x). This means, we switch x and y and make x negative

Step-by-step explanation:

Hope this helps! (づ ̄3 ̄)づ╭❤~

8 0
3 years ago
Lamar works as a tutor for $12 an hour and as a waiter for $14 an hour. This month, he worked a combined total of 100 hours at h
alexdok [17]

Answer:

-2t + 1400

Step-by-step explanation:

If t represents the number of hours Lamar worked as a tutor, the number of hours he worked as a waiter can be represented by 100 - t.

Create an equation to represent the situation:

12t + 14(100 - t) = total earned

Simplify:

12t + 1400 - 14t = total earned

-2t + 1400 = total earned

So, the expression for the amount he earned is -2t + 1400

6 0
3 years ago
Which point is NOT part of the solution of the inequality y &lt; |3x| + 1?
disa [49]
Match the numerical expressions related to the function f(g) = 4g + 6 with their correct definitions.<span>Tiles32414(4, 22)Pairs<span><span>the output of the function when the input g = 2 </span><span>the input for the function when the output is 18</span><span>an input and its corresponding output </span><span>the absolute difference of the input and the output when the input is 6</span></span></span>
4 0
3 years ago
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