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elixir [45]
3 years ago
15

HELPPP PLEASE PLEASE Please just help on number 15 16 17

Mathematics
1 answer:
Brums [2.3K]3 years ago
4 0

Answer:

use formaul

Step-by-step explanation:

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Pls pls help me I will mark you brainest
Firlakuza [10]

Answer:

55

Step-by-step explanation:

7 x 10 = 70

4 x 10 = 40

70 + 40 = 110

110 / 2 = 55

4 0
3 years ago
How many days would it take Martin to swim swim 60000 meters
PolarNik [594]

Answer:

300

Step-by-step explanation:

3 0
4 years ago
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If X = 14, find the value of the variable a. If your answer is not an integer, express it in simplest radical form.
ivann1987 [24]

Answer:

Step-by-step explanation:

First thing I would do is square the 14, and put it under the radical. Itll make the calculations a little bit easier.

14sqrt(2) = sqrt392

Use the definition of sine to find the value of a

sin(45) = opposite/hypotenuse = a/sqrt392

sin(45)=\frac{a}{\sqrt{392} }

a = 14

7 0
3 years ago
Solve using the quadratic formula: Y = 2x^2 - 7x-3
algol13

Answer:

x=-0.39 x=3.89

Step-by-step explanation:

a=2

b=-7

c=-3

when you plug all of those numbers in you would get

(7±\sqrt{73} )/ (4)

so x=-0.39 x=3.89 would be your answer

7 0
3 years ago
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Rasek [7]

Answer:

1

Step-by-step explanation:

no exponent

6 0
3 years ago
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