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3 years ago

How do I solve this problem? I don’t know the answer I just need to know how to solve

Mathematics

1 answer:

Vikki [24]3 years ago

8 0

(18x + 36)/2 = -24

Do the opposite of PEMDAS. Note the equal sign. What you do to one side you do to the other. Isolate the x.

First multiply 2 to both sides

(18x + 36)/2(2) = -24(2)

18x + 36 = -24(2)

18x + 36 = -48

Isolate the x. Subtract 36 from both sides

18x + 36 (-36) = - 48 (-36)

18x = -48 - 36

18x = - 84

Isolate the x, divide 18 from both sides

18x/18 = -84/18

x = -84/18

x = -4.67 (rounded)

-4.67 rounded should be your answer

hope this helps

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Liono4ka [1.6K]

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4 years ago

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Two equations are given below: m + 4n = 8 m = n - 2 What is the Solution ?

Sophie [7]

M+4n=8
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we see that m=n-2
so we can subsitute 'n-2' for m in the first equation
(n-2)+4n=8
n-2+4n=8
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divide by 5
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3 years ago

Aunty Joan packs a packet of sweets to Alice and Olivia. Alice and Olivia share sweets in the ratio 7:3. Alice gives 3 sweets to

aivan3 [116]

Initially, Alice had 28 sweets and Olivia 12 sweets.

Step-by-step explanation:

First assume that Aunty Joan has x number sweets.

Alice and Olivia shared the x sweets in a ration of 7:3, this means

Alice had 7/10 x sweets and Olivia had 3/10 sweets.

Alice gives 3 sweets to Olivia, Alice will remain with ;

$\frac{7}{10} x-3$

Then the new ratio changes to 5:3 which means Alice will have 5/8 x number of sweets.

Equate the number of sweets for Alice in the two cases, which is

$\frac{5}{8}x=\frac{7}{10} x-3\\ \\\frac{7}{10} x-\frac{5}{8} x=3\\$

$\frac{56x-50x}{80} =3\\\\\\\frac{6}{80} x=3\\\\\\6x=80*3\\\\\\x=240/6\\\\x=40$

So there were 40 sweets at first

Using the ratio of 7:3 then

Alice had 7/10 *40 = 28 sweets

Olivia had 3/10*40= 12 sweets

Alice gave Olivia 3 sweets, so she will remain with 28-3 =25 sweets. Olivia will now have 15 sweets.The new ratio will be 25:15 simplified as 5:3.

Learn More

Ratio : brainly.com/question/11095585

Keywords : Ratio

#LearnwithBrainly

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3 years ago

Definitions of ASA SAS AAS, can someone dumb it down plz?

Veseljchak [2.6K]

Answer:

Hope this helps.

Step-by-step explanation:

So for ASA, the two triangles have to have two angles congruent, and in the middle of those angles, they have to have a line that's congruent.

For SAS, the two triangles have to have two lines congruent, and in the middle of those lines, they have to have an angle that's congruent.

For AAS, the two triangles have to have two angles congruent, but the line that's congruent has to be on the side, not in the middle.

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3 years ago

Assume that you have saved $2,000 for the purchase. How much of this money will you be able to put towards the purchase price of

nexus9112 [7]

<h3>What is Cost Price?</h3>

This refers to the price which a seller or a merchant purchased a good and this would be a good determinant to find out the selling price so that he could make a good profit.

<h3>Selling Price</h3>

This refers to the price which a good is sold and there are several factors which are taken into account such as:

Expenses
Cost Price, etc.

Mathematically, the<em> profit= </em>Cost price - Selling Price (Expenditure)

Please note that your question is incomplete so I gave you a general overview so that you could have a better understanding of the concept.