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Alborosie
3 years ago
8

Identify the determinants for the given linear system: 5x + 2y = 14 −3x − 5y = 3

Mathematics
1 answer:
sergeinik [125]3 years ago
8 0

Answer:

Step-by-step explanation:

|A|= 5, 2, -3, -5

|Ax|= 14, 2, 3, -5,

|Ay|= 5, 14, -3, 3

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PLS PLS PLS BE QUICK SPAM will be reported
Paraphin [41]

Solving a linear equation, we conclude that she made 5 batches of cookies.

<h3>How many batches of cookies has she made?</h3>

We know that Alexis bought a bag that contains 8 cups of m&m's. First, she uses two-thirds of a cup to make each batch, so for x batches, she needs:

B(x) = (3/5)*x

That linear equation tells us how many cups are used to make x batches.

We know that at the end, she has 5 cups, and she started with 8 cups, so she used:

8 cups -5 cups = 3 cups.

Now we need to solve the linear equation:

B(x) = 3 =  (3/5)*x

Solving the linear equation for x we get:

3 = (3/5)*x

3*(5/3) = x

5 = x

This means that she made 5 batches of cookies.

If you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

4 0
2 years ago
10. 10x + 5y = 15<br> y = 2x - 3
TiliK225 [7]

Answer:

if your looking for x then

Step-by-step explanation:

first add in the y by doing 10x+5(2x-3)=15 then 10x+10x-15=15 then 20x-15=15 then 20x=30 then divided by 20 for both sides which gets you x=30/20 or 1 1/3

6 0
3 years ago
Read 2 more answers
What is an equation of the line that passes through the points (-4, -1) and (2, 8)?
aev [14]

Answer:

Gggyu

Step-by-step explanation:

Hbyuk

6 0
3 years ago
There are two atoms of hydrogen and one atom of oxygen in one molecule of water . How many atoms of hydrogen are there in 51 mol
Alex777 [14]

If there are two hydrogen atom molecules in one atom of water you'd do 51 times 2, getting you 102 hydrogen atoms in 51 water molecules.

8 0
3 years ago
Please help guys I'm frustrated with this ​
r-ruslan [8.4K]

OL is perpendicular to ON, which means that there is a 90 degree angle being created between these two line segments. So, angle LON is equal to 90 degrees. Because LON is a 90 degree angle and we have two angles within it, those two angles are complimentary. We can add LOM and MON together and they will equal 90 degrees.

3x - 15 + 5x - 23 = 90

8x - 38 = 90

8x = 128

x = 16 degrees

Angle MON = 5x - 23

5(16) - 23 = 57 degrees

Angle MON = 57 degrees

Hope this helps!! :)

5 0
4 years ago
Read 2 more answers
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