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Leokris [45]
3 years ago
9

Solve this simultaneous equation using subsitution 5x-4y=-1 2x+y=10

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
3 0

Answer:

HIVNRDHGFHEHGDUOWHEDWUGUPEJKGODRFHYEHFUJDJBVCN SUFCEKGGUFVEUVFGVDBCUEGYYHDYGWEGYDCBEOGE

Step-by-step explanation:

You might be interested in
Solve a real world problem that can be represented by the expression (-3)(5)+10
vovikov84 [41]


Using PEMDAS you start with parenthesis

(-3)(5) = -3 x 5 = -15

-15 + 10 = -5

The answer is -5

6 0
3 years ago
Find the buoyant force of a rectangular solid of the given dimensions submerged in water so that the top side is parallel to the
11Alexandr11 [23.1K]

Answer:

Here is the continuation to the question ; The buoyant force is the difference between the fluid forces on the top and bottom of the solid. (The weight-density of water is 62.4 pounds per cubic foot.)

Hence, bouyant force is calculated as = 11980.8lb

Step-by-step explanation:

The steps are as shown in the attachment.

3 0
3 years ago
What is the difference between the 7th square number and the 4th square number?​
o-na [289]
49-16=33 this is the answer
3 0
3 years ago
If 9a+6b+4c=7, what is -24b-16c-36a
zheka24 [161]
Rearrange the 2nd equation

-36a-24b-16c

divide the whole thing by 4 and you'll get
-9a-6b-4c

you'll realize it looks the same as your first equation except that all the + has become minus so the answer will be -7 instead for your new equation
-9a-6b-4c=-7

multiply the whole thing by 4 and you'll get
-36a-24b-16c = -28

so the answer you want is -28
6 0
3 years ago
Which number can each term of the equation be multiplied by to eliminate the fractions before solving?
AVprozaik [17]

Answer:

The correct answer is Option 4: 12

Step-by-step explanation:

Given equation is:

6-\frac{3}{4}x+\frac{1}{3} = \frac{1}{2}x+5

We have to find a number that is common multiple of all the denominators or least common divisor

So to find the LCM

The numbers in denominator are: 4,3,2

So,

4=> 4,8,12,16\\3 => 3,6,9,12,15\\2=> 2,4,6,8,10,12

It can clearly be seen that 12 is the LCM of all three numbers so the equation will be multiplied with 12 to eliminate the fractions.

12*6-12*\frac{3}{4}x+12*\frac{1}{3} =12* \frac{1}{2}x+12*5\\72-9x+4 = 6x+60

Hence,

The correct answer is Option 4: 12

6 0
2 years ago
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