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aalyn [17]
3 years ago
14

Shanay can swim the 100m race in 70.2seconds.Swapnil can swim the same in 70.06 seconds. Who is faster

Mathematics
1 answer:
ruslelena [56]3 years ago
4 0

Swapnil is faster
70.06 < 70.2 s

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At a bake sale, as student spent $11.00 buying 3 brownies and 5 cookies. His friend spent $3.95 buying 1 brownie and 2 cookies.
dybincka [34]

Answer:

$2.25

Step-by-step explanation:

Let "b" be the price of 1 brownie and "c" the price of 1 cookie.

At a bake sale, a student spent $11.00 buying 3 brownies and 5 cookies. Symbolicaly,

3 b + 5 c = 11.00   [1]

His friend spent $3.95 buying 1 brownie and 2 cookies. Symbolicaly,

1 b + 2 c = 3.95

b = 3.95 - 2c   [2]

If we replace [2] in [1], we get

3 (3.95 - 2c) + 5 c = 11.00

11.85 - 6c + 5c = 11.00

c = 0.85

If we replace c = 0.85 in [2], we get

b = 3.95 - 2 (0.85) = 2.25

8 0
3 years ago
If 5-3(2a+1)=-4a+10, what is the value of a+2​
AlekseyPX

Answer:

-2

<em>BRAINLIEST, PLEASE!</em>

Step-by-step explanation:

5 - 3(2a + 1) = -4a + 10

5 - 6a - 3 = -4a + 10

2 - 6a = -4a + 10

-2a = 8

a = -4

-4 + 2 = -2

5 0
3 years ago
Read 2 more answers
I also need to know what m∠cdb is
Oliga [24]

Answer:

x = 4

m<cdb = 82

Step-by-step explanation:

The exterior angle thm states that the exterior angle of a triangle is equal to the sum of the opposite interior angles:

7x + 2 + 17x = 98

24x + 2 = 98

24x = 96

x = 4

m<cdb =

y + 98 = 180

y = 180 - 98

y = 82

3 0
3 years ago
To make a disinfecting solution, Alana mixes 2 cups of bleach with 5 cups of
lubasha [3.4K]

Answer:

Step-by-step explanation:

Ok

7 0
3 years ago
Of the 600 sixth graders at Melville Middle school, 80% want more field trips. How
kifflom [539]

Multiply total students by the percentage:

600 x 80% = 600 x 0.80 = 480

480 students want more field trips.

6 0
2 years ago
Read 2 more answers
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