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3 years ago

Ac+b=d will give brainlikest and 30 points

Mathematics

2 answers:

Dimas [21]3 years ago

7 0

Start by getting “ac” by itself. You do this by subtracting b from both sides, since it’s currently added on the left.

ac = d-b

Get a by itself by dividing by c, since c currently multiplied by a.

a = (d-b)/c

The first answer is correct.

Alex17521 [72]3 years ago

3 0

Step-by-step explanation:

==> ac + b = d

==> ac = d - b

==> a = (d - b)/c

<u>Your </u><u>ans </u><u>will </u><u>be </u><u>option</u><u> </u><u>no</u><u>. </u><u>1</u><u>)</u>

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one pump can empty the pool in 5 days, whereas a second pump can empty the pool in 7 days. how long it will take the two pumps,

PtichkaEL [24]

4 days jfjdhsbsiegebehehebeihrhe

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3 years ago

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

elena-14-01-66 [18.8K]

Answer:

<h2>B) one solution</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

linear equation
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<h3>tips and formulas:</h3>

$\sf\text{a system of linear equation has only one solution if $\frac{a_1}{a_2}\neq \frac{b_1}{b_2}$}$

<h3>given:</h3>

$\begin{cases}2x - 4y = - 1 \\ 8x - 11y = - 19 \end{cases}$

<h3>let's solve:</h3>

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6 0

3 years ago

As a motivational speaker, Bree speaks at school assemblies, charging a school

Oksi-84 [34.3K]

Answer:

<em>Bree spoke at 55 assemblies in this district.</em>

Step-by-step explanation:

Bree speaks at school assemblies charging a school district a total cost C modeled by the equation:

C(a) = 50a+1,500

Being a the number of assemblies attending the meeting.

It's given Bree charged the Escambia City School District $4,250 to speak at school assemblies.

We can find the number of assemblies by solving the equation:

50a+1,500=4,250

Subtracting 1,500:

50a=4,250-1,500=2,750

Dividing by 50;

a = 2,750 / 50=55

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3 years ago

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3 years ago

Read 2 more answers

PLEASE HELP ME!! I need you to solve this inequality.<br> 2/3x - 1/5 > 1

Verizon [17]

Answer:

If you are trying to solve the inequality for "x" Then your answer is, <u><em>"x>9/5" </em></u>That is the inequality form. If you are looking for the interval notation form then your answer is <u><em>"9/5, infinity" </em></u>

Step-by-step explanation:

I have checked my answers against an online Algebra solver. So my answers are 100% correct.

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3 years ago