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attashe74 [19]
3 years ago
12

7b divided by 12=4.2 what is b

Mathematics
1 answer:
inn [45]3 years ago
3 0
7b / 12 = 4.2
multiply both sides by 12

7b = 50.4
divide both sides by 7 to isolate b

b = 7.2
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The figure below is a parellelogram. What type(s) of symmetry does it have?
Vinvika [58]
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5 0
3 years ago
The measure of an angle is seventy-one times the measure of its supplementary angle. What is the measure of each angle?
Degger [83]

Answer:

2 degrees and 178 degrees.

Step-by-step explanation:

So, remember if 2 angles are supplementary, they equal 180 degrees. Let's call the smaller angle x, meaning the bigger angle, which is 89 times the size of the smaller angle, would be 89x. Now let's put that into an equation.

180 = x + 89x

We now have to group the x's together:

180 = 90x

Now in order to determine x, we have to divide by 90 on both sides.

X= 2

So we know that the smaller angle is 2, meaning that if the larger angle is 89 times the size, the larger angle would be 178.

4 0
3 years ago
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Aleonysh [2.5K]
I believe the answer is 48 ... hope this helps
5 0
3 years ago
Pleaseee helpppp !!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!
solniwko [45]
ANSWER: FG = 69

FG = FK + KG
KG = 1/2(FK)
FK = 46

RULE: When it comes to centroids, the longer section of the line is always 2/3 of the entire line (+ the shorter section of the line is always 1/3). This means that the shorter section of the line is HALF of the longer section of the line.

FG = FK + KG
FG = 46 + 46/2
FG = 46 + 23
FG = 69

CHECK:
FK = 2/3(FG)
46 = 2*69/3
46 = 138/3
46 = 46 ✔️

or

KG = 1/3(FG)
1/2(FK) = 1/3(FG)
46/2 = 69/3
23 = 23 ✔️
5 0
2 years ago
I really need help please
anastassius [24]

9514 1404 393

Answer:

  60

Step-by-step explanation:

The minimum number required is the least common multiple (LCM) of 15 and 4. The numbers 15 and 4 have no common factors, so their LCM is their product.

  15×4 = 60 strands are required

6 0
2 years ago
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