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2 years ago

Help with this math problem

Mathematics

2 answers:

xxMikexx [17]2 years ago

4 0

13.375 will the value of x..hope it helped

Travka [436]2 years ago

4 0

13.375 ok..........................................

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Algebra 2<br>(8x2-7)+(8-8x2)

Katarina [22]

The answer is just 1 l, just didn’t on the top of my head.

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2 years ago

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What is 7.1 divided by 312.755

WITCHER [35]

Answer:

0.0227014756

Step-by-step explanation:

or if you meant 312.775/7.1 it's 44.0528169

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2 years ago

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PLS I NEED RELLAY NEED HELP RIGHT NOW

Margaret [11]

Answer:

40%

Step-by-step explanation:

$\frac{8}{20} = \frac{2}{5}$

$\frac{2}{5} = 0.40$

0.40 = 40%

5 0

2 years ago

The area of a rectangle gets reduced by 9 sq. units,if its length is reduced by 5 units and Breadth is increased by 3 units.If w

Scilla [17]

Let the length and breadth of the rectangle be x and y.

Area of rectangle is A = xy

Therefore, the new length will be = x-5

Therefore, the new breadth will be = y + 3

So new area will be xy-9

Now the new relation will be (x+3)(y+2)=xy+67

Cross – multiplication method–

$\dfrac{x}{{{b_1}{c_2} - {b_2}{c_1}}} =\dfrac{y}{{{a_2}{c_1} - {c_2}{a_1}}} = \dfrac{1}{{{a_1}{b_2} - {a_2}{b_1}}} || x = \dfrac{{{b_1}{c_2} - {b_2}{c_1}}}{{{a_1} {b_2} - {a_2}{b_1}}} y = \dfrac{{{a_2}{c_1} - (c_2}{a_1}}}{{{a_1}{b_2}-{a_2}{b_1}}}\\$

$\Rightarrow \dfrac{x}{{305 - ( - 18)}} =\dfrac{y}{{ - 12 - ( - 183)}} = \dfrac{1}{{9 - 10)}}\\\$

$\Rightarrow \dfrac{x}{{323}} = \dfrac{y}{{171}} = \dfrac{1}{{19}} \\\Rightarrow x = 17, y = 9 \\$

Therefore, the length is 17 and breadth is 9.

5 0

2 years ago

Help me please thank you

Nezavi [6.7K]

Answer is 28 units because it’s 15 over 42 is equal to 10 over “x”, then you cross multiple which you end up with 15x=420 divide 420 from 15 which equals 28.

4 0

3 years ago