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Y_Kistochka [10]

2 years ago

9

Oscar spent 2/3 hours each night doing homework for five nights this week. How many hours of homework did Oscar complete this we

ek?

1 answer:

jeka942 years ago

3 0

B because 2/3 hours is 40 mins 40 x 5 = 200 200 is 3 hours and 20 mins which is 1/3

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32ax + 12bx - 48ay - 18by<br><br>factor the polynomial

SashulF [63]

Answer:

(16a + 6b) (2x - 3y)

Step-by-step explanation:

32ax + 12bx - 48ay - 18by

(32ax - 48ay) + (12bx - 18by)

16a(2x - 3y) + 6b(2x - 3y) Factor out in both seperate expressions

(16a + 6b) (2x - 3y) Double factoring

4 0

3 years ago

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I need help on this.

marta [7]

Answer:

26.88 mm

Step-by-step explanation:

4.2 x 12.8 = 53.76/2 = 26.88

8 0

3 years ago

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An arithmetic sequence has a1 = 22 and a8 = 43. Find a15.

brilliants [131]

The 15th term of the arithmetic sequence $a_{15} = 64$

Option B is correct

The nth term of an arithmetic sequence is given as:

$a_{n} = a + (n - 1)d$

The first value, a = 22

$a_8 = a+(8 - 1)d\\a_8 = a + 7d$

Since $a_8 = 43$

$43 = 22 + 7d\\7d = 43 - 22\\7d = 21\\d = \frac{21}{7}\\d = 3$

The common difference, d = 3

$a_{15}= a + (15-1)d\\a_{15} = a + 14d\\a_{15} = 22 + 14(3)\\a_{15} = 22 + 42\\a_{15} = 64$

The 15th term of the arithmetic sequence = 64

Learn more here: brainly.com/question/24072079

4 0

1 year ago

Help please 50 points

Hatshy [7]

For this, it is kind of like a triangle and having to find the diagonal. Let's see what the two legs of the triangle would be.
Leg one= 7 units
Leg two= 8 units
8²+7²= c²
64 + 49=113
√113≈10.6
The line is 10.6 units long.

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3 years ago

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Write down the first five terms of the AP with first term 5 and common difference 7

Zigmanuir [339]

Answer:

Hvrbfbkkeuhevejhesseefj

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2 years ago