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Alekssandra [29.7K]
3 years ago
7

Which expression is equivalent to 16x + 42y?1- 7(2x+6y)2- 6(3x+7y)3- 2(8x+11y)

Mathematics
1 answer:
White raven [17]3 years ago
7 0
I don’t believe any are correct that you have
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11/12 x 3<img src="https://tex.z-dn.net/?f=%5Cfrac%7B11%7D%7B12%7D%20%283%29" id="TexFormula1" title="\frac{11}{12} (3)" alt="\f
Mila [183]

Answer:

I believe it is 7.5625 so 7.56

5 0
3 years ago
Mark is planning to run in a 10-km race he will have to run 1 4/5 km uphill, 2 7/10 km downhill, and the rest of the race on lev
777dan777 [17]
<span>Uphill distance = 1 4/5 = 9/5 = 18/10 km Downhill Distance = 2 7/10 = 27/10 km Total Uphill and Downhill = 18/10 + 27/10 = 45/10 = 4.5 km Hence total level ground = Total race km - (Uphill + Downhill) =10 - 4.5 = 5.5 km Hence the answer is 5.5 km.</span>
7 0
4 years ago
If DE is congruent to KR and O is the midpoint of ER and DK, which of the following congruence postulates can be used
Deffense [45]

Answer:

ASA

Step-by-step explanation: I'm not sure I had just found a key.

6 0
3 years ago
A parallelogram has a base of 3.5 units and a corresponding height of 2 units. What is its area? A parallelogram has a base of 3
dangina [55]

Answer:

for first parallelogram

Area of parallelogram = b*h= 3.5*2= 7square unit

for second parallelogram

Area of parallelogram = b*h = 1.8 square unit

or, 3*h = 1.8

h= o.6unit

For third parallelogram

Area of parallelogram = b*h = 20.4square unit

4*b= 20.4

b=5.1 unit

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
Can someone help me graph this and solve the problem thank you
Marizza181 [45]
Y - 3 = -1/4(x - 4)
y - 3 = -1/4x + 1
y = -1/4x + 1 + 3
y = -1/4x + 4

ok....the y int is (0,4)....the slope is -1/4...
       x int can be found by subbing in 0 for y and solving for x
       y = -1/4x + 4
       0 = -1/4x + 4
       1/4x = 4
       x = 4 * 4
       x = 16....so ur x int is (16,0)

so first plot ur points (0,4)....and since ur slope is -1/4, go down 1 space and to the right 4 spaces, then down 1, and to the right 4....keep doing this and u will cross the x axis at (16,0)
6 0
4 years ago
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