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3 years ago

I need help please I don’t know how to make this can someone help me ?

Mathematics

1 answer:

NISA [10]3 years ago

8 0

Answer:

the simplified answer is 3 3/4

Step-by-step explanation:

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Which answer choice represents an equivalent number sentence of "15 + (3 - 8)"?

frozen [14]

Answer:

A- 15-5 is the same

Step-by-step explanation:

15 + (3-8)

15 + (-5)

15-5

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3 years ago

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Give s reason to divide 15 into 3 equal groups

liubo4ka [24]

Divide the cookies to each friend. each friend gets 5 cookies

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Which degree of rotation is equivalent to a 270 degree clockwise rotation?

Dominik [7]

A 90 degree counter clockwise rotation

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3 years ago

Solve the triangle that has a=4.6, B=19°, A=92° (picture provided)

kolezko [41]

Answer:

Option b

Step-by-step explanation:

To solve this problem use the law of the sines.

We have 2 angles of the triangle and one of the sides.

$a = 4.6\\B = 19\°\\A = 92\°\\C = 180 -A - B\\C = 180 - 92 - 19\\C = 69\°$

The law of the sines is:

$\frac{sin(A)}{a} = \frac{sin(B)}{b} = \frac{sin(C)}{c}$

Then:

$\frac{sin(92)}{4.6} = \frac{sin(19)}{b}\\\\b = \frac{sin(19)}{\frac{sin(92)}{4.6}}\\\\b = 1.5$

$\frac{sin(B)}{b} = \frac{sin(C)}{c}\\\\\frac{sin(19)}{1.5} = \frac{sin(69)}{c}\\\\c = \frac{sin(69)}{\frac{sin(19)}{1.5}}\\\\c = 4.30$

8 0

3 years ago

27. In a school of 500 students, 125 like chess and 160 like badminton. 45 students like chess and badminton both. Find how many

ozzi

Answer:

170

Step-by-step explanation:

Add 160 and 45 and 125

Then subtract it to the total number of students

So 500 minus 330

5 0

3 years ago