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olya-2409 [2.1K]
3 years ago
8

I need help on question 5. It’s probably easy for some of you :))

Mathematics
2 answers:
nexus9112 [7]3 years ago
7 0

the answer to your Question is 1,898

masha68 [24]3 years ago
5 0

answer: 65

explanation: 13 x 5 = 65. you just multiply what is on the top of the division and the left of the division to get the last answer.

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The amount of time t (in minutes) that it takes to put out a fire varies inversely with G, the volume of water used (in hundreds
Marysya12 [62]
The correct answer would be 48 min. (Choice B)

In an inverse relationship, we multiply the 2 variables together to get a constant.

Our equation would be:

GT = C   If we plug in the numbers we have:

8(12) = 96

Now, lets solve the equation for T when G is 2.

2T = 96
T = 48
6 0
3 years ago
How to solve and graph the inequality
frozen [14]

For this problem the work would look like this:

-\frac{w}{2} \geq -7\\ \\

Multiply -2 to both sides to isolate w.

w\leq -7*-2

Notice that the sign flips! This is because anytime a negative numbers transfers to the other side of the inequality the inequality flips directions.

w\leq 14

Now this should be the solution once solving.

The attached picture below shows the graph.

Hope this helps!

4 0
3 years ago
Someone please help me with number 6. Also show your work as that will help a lot
adoni [48]

\bf f(x) = x^2+3x+9 \\\\[-0.35em] ~\dotfill\\\\ \cfrac{(x+h)^2+3(x+h)+9~~~~-~~~~(x^2+3x+9)}{h} \\\\\\ \cfrac{(x+h)^2+3(x+h)+9~~~~~~-x^2-3x-9}{h} \\\\\\ \cfrac{\stackrel{F~~O~~I~~L}{(x^2+2hx+h^2)}+3x+3h+9~~~~~~-x^2-3x-9}{h}

\bf \cfrac{(2hx+h^2+3h)~~\begin{matrix} +x^2-x^2+3x-3x+9-9 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{h}\implies \cfrac{\stackrel{\textit{common factor}}{~~\begin{matrix} h \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~(2x+h+3)}}{~~\begin{matrix} h \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill 2x+h+3~\hfill

7 0
4 years ago
Out of 460 students, 60% have pets. How many of the students have pets?
Margaret [11]
In order to find the number, we will need to set it up in an equation. In total, there are 460 students while 60% of them have pets. Lets set that up.
460(60%)
In order to correctly do this, we will need to transfer 60% into a decimal, which is .6. Now we will rewrite it.
460(.6) 
This now can be represented by the number 276.Since we know that 276 is 60% of 460, The total number of students that have pets will be 276.
3 0
4 years ago
What is the answer for -4x^2y(x+y)^4
Tju [1.3M]
<span>-4x^2y(x+y)^4

Answer is -4x^6y-16x^5y^2-24x^4y^3-16x^3y^4-4x^2y^5

It will help you
</span>
7 0
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