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Makovka662 [10]
3 years ago
10

Plzzzz someone help me 30 points

Mathematics
2 answers:
VARVARA [1.3K]3 years ago
3 0
Um idk the answer but I’m sure your friends or teachers can help you?
PIT_PIT [208]3 years ago
3 0
So u have to narrow the equation down so that you are left with a variable and a number. The number will represent the variable. To narrow it down, subtract or divide. If you do one of these to one side, you HAVE to do it to the other.
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10/r - 7 - 6b if r = 5 and b = -6
laiz [17]

Steps to solve:

10/r - 7 - 6b when r = 5 and b = -6

~Substitute

10/5 - 7 - 6(6)

~Simplify

5 - 7 + 36

~Subtract

-2 + 36

~Add

34

Best of Luck!

5 0
3 years ago
HELP!
PSYCHO15rus [73]

Answer:

74676.

Step-by-step explanation:

Lets try multiplying 127 by 294 ( 127 is a prime number):

127 * 294 = 37338.

37338 / 196 = 190.5

37338 * 2 = 74676  which will now be divisible by 196.

74676 will be divisible by 98, 49 and 7 (because they are factors of  196).

It is also divisible by 84 ( to give 889) and therefore by 42, 28, 21, 14, 12,  6, 4, 3 , 2 and 1 which are all factors of 84.

3 0
3 years ago
WILL GIVE BRAINLIEST What is the perimeter of the track, in meters? Use π = 3.14 and round to the nearest hundredth of a meter.
Ivenika [448]

Answer:

Perimeter = 317 m

Step-by-step explanation:

Given track is a composite figure having two semicircles and one rectangle.

Perimeter of the given track = Circumference of two semicircles + 2(length of the rectangle)

Circumference of one semicircle = πr  [where 'r' = radius of the semicircle]

                                                       = 25π

                                                       = 25 × 3.14

                                                       = 78.5 m

Length of the rectangle = 80 m

Perimeter of the track = 2(78.5) + 2(80)

                                     = 157 + 160

                                     = 317 m

Therefore, perimeter of the track = 317 m

7 0
3 years ago
What value of y will make this expression equal to 2.45?
MA_775_DIABLO [31]

Any value of y, except when y = -4.9, will make the expression equal to 2.45.

5 0
3 years ago
Read 2 more answers
14/15 divided by 1 1/20=?
aalyn [17]
This is the answer to your question. I hope this helps!

5 0
3 years ago
Read 2 more answers
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