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MAVERICK [17]
3 years ago
9

solve the following system of equations express your answers as an ordered pair in the format (a,b) with no spaces between the n

umber of symbols 3x+4y=16 -4x-3y=-19
Mathematics
2 answers:
UNO [17]3 years ago
8 0

Answer:

(4,1)

Step-by-step explanation:

The system of equations is

3x+4y=16......(1)\\-4x-3y=-19.....(2)

Multiply equation(1) by 4 and equation (2) by 3 and then add

12x-12x+16y-9y=64-57\\7y=7\\y=1

Plugging the value of y in equation (1)

3x+4(1)=16\\3x+4=16\\3x=12\\x=4

Hence, the solution to the given system of equation is (4,1)

Vlada [557]3 years ago
3 0
The answer to your question is (4,1)
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Mrrafil [7]

Answer:

Deandre runs 4 miles in 30 minutes

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Deandre runs 4x7.5 miles in 48 minutes

                      =30miles

Step-by-step explanation:

3 0
2 years ago
Mary,Tom,Sophia & Isaac share minutes on their cell phone plan. Mary used 1/4 of the minutes,Tom used 0.5 of the minutes,and
nataly862011 [7]
Hello there! So, 1/4 is equivalent to 0.25, which is 25% in percent form. 0.5 is 50% and 0.2 is 20% in percent form. 50 + 20 + 25 is 95. 100 - 95 is 5. Issac can use 5% of the minutes on the cell phone plan. The answer is D: 5%.
5 0
3 years ago
A right triangle undergoes a sequence of transformations to generate a new
melomori [17]

Answer:

Option a.

Step-by-step explanation:

Two figures are similar if they have the same shape, but maybe different sizes, so if we have a triangle, and we dilate/contract it with a scale factor K, the original triangle and the dilated/contracted one will be similar.

Two figures are congruent if they have the same shape and size. For example, transformations that do not change the size will make congruent figures, those transformations are reflections, rotations and translations.

Now we need to find a sequence of transformations that would result in the two triangles being similar but no congruent, then we need to find the sequence of transformations that has a dilation/contraction in it.

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6 0
3 years ago
Pleaseee help ill give brainliest
neonofarm [45]
The fourth answer is right
5 0
3 years ago
1 point
Feliz [49]

Answer:36

Step-by-step explanation:

90/10= 9 9x4=36

4 0
3 years ago
Read 2 more answers
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