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JulsSmile [24]
1 year ago
15

Hi would you be able to help me ignore my work

Mathematics
1 answer:
Ulleksa [173]1 year ago
5 0

Solution:

Given the system;

\begin{gathered} 4x+6y=32.............equation1 \\  \\ 3x-6y=3..............equation2 \end{gathered}

Add equation1 to equation2, we have;

\begin{gathered} 4x+3x+6y-6y=32+3 \\  \\ 7x=35 \\  \\ \frac{7x}{7}=\frac{35}{7} \\  \\ x=5 \end{gathered}

Substitute x = 5 in equation2;

\begin{gathered} 3x-6y=3 \\  \\ 3(5)-6y=3 \\  \\ 15-6y=3 \\  \\ 6y=15-3 \\  \\ 6y=12 \\  \\ y=2 \end{gathered}

ANSWER:

x=5,y=2

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tangare [24]
39/89 because of sohcahtoa
7 0
3 years ago
Help please. this doesn't make sense ​
saveliy_v [14]

Answer:

a = 39.2650873379cm

b = 11.5529459767cm

Step-by-step explanation:

a - Use the area of a triangle equation -  1/2 * a * b * Sin(C)

1/2 * 8 * 10 * Sin(79) = 39.2650873379cm

b - Use the cosine rule - c^2 = a^2 + b^2 - (2 * a * b * Sin(C)

64 + 100 - (2 * 8 * 10 * Cos(79)) = 133.4705607398

c = square root of 6.9396506484 = 11.5529459767cm

Put to however many significant figures / decimal places required.

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5 0
2 years ago
Mel used partial quotients to find the quotient of 378 divided by 3.What could be the partial quotient that Mel found?
Genrish500 [490]

Answer:

The partial quotients are 100, 20 and 6. The quotient is 126.

Step-by-step explanation:

The dividend is 378 and the divisor is 3.

First find the factors of 3, near to 300.

3\times 1=3

3\times 10=30

3\times 100=300

The value 300 is less than 378, so record the partial quotient 100 and subtract 300 from 378. Repeat the same process until the dividend has been zero.

Now the remaining divide is 78.

First find the factors of 3, near to 78.

3\times 20=60

3\times 30=90

Since 90>78, therefore 30 is not a partial quotient. The value 60 is less than 78 , so record the partial quotient 20 and subtract 60 from 78.

Now the remaining divide is 18.

3\times 6=18

The number 6 is a partial quotient.

Therefore  partial quotients are 100, 20 and 6. Add the partial quotient to find quotient.

100+20+6=126

3 0
3 years ago
The new Coat and Jacket Store was ready to open. The workers put out 42 racks of men’s and boy’s coats and jackets with 16 items
Nataliya [291]
42 x 16=672
35 x 24=840

672+840=1512


3 0
3 years ago
A linear function that represents the number of video games purchased at an electronics store is compared to a different linear
serg [7]

Answer:

See there y-intersept and if slope is negative or positive to see if they intersect

7 0
2 years ago
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