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lutik1710 [3]
3 years ago
15

Helppppppppppp please...

Mathematics
1 answer:
Ede4ka [16]3 years ago
3 0
Order from left to right by row
2
3
80
1
-40
1/6
240
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Whoever answer it correctly will get brainliest. :)
r-ruslan [8.4K]

Answer:

69

Step-by-step explanation:

3 0
3 years ago
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Cot(x)=-3. find sin(x)
ASHA 777 [7]

Answer:

sin(x)=1/\sqrt10

Step-by-step explanation:

The trigonometric identities involve trigonometric functions. Here we will be using Trigonometric identity

sin²x  = 1 /( 1+cot²x )

now cot(x)= -3

⇒ cot²x= (-3)²

⇒ cot²x= 9

sin²x= 1/( 1+9)

⇒ sin²x = 1/10

taking under root on both the sides we get

√sin²x=\sqrt1/\sqrt10

⇒ sin(x)=± 1/\sqrt10

6 0
3 years ago
Alfonso solved a division problem by drawing an area model.
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Answer:

.

Step-by-step explanation:

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6 0
3 years ago
A partial sum of an arithmetic sequence is given. Find the sum.
Nezavi [6.7K]

Answer:

72.3

Step-by-step explanation:

Given that:

The arithmetic sequence:

\sum \limits ^{14}_{k=0} (3 + 0.26k)

The first term of the sequence a_0 = 3 since k = 0

i.e (3 + 0.26(0)) = 3

The last term of the sequence a_{14} = 6.64

i.e (3+ 0.26(14)

= (3 + 3.64)

= 6.64

Total no of terms = 15 i.e from 0 to 14

∴

The partial sum of the arithmetic sequence = \dfrac{Total \ no \ of \ terms }{2}  \times (a_o+a_{15})}

=\dfrac{15 }{2}  \times (3+6.64)}

= 72.3

3 0
3 years ago
Janice is building a model volcano for the science fair. To find the right ratio, she starts by mixing small amounts of baking s
marishachu [46]

Answer:

6 tablespoons of baking soda

Step-by-step explanation:

There are 8 fluid ounces in 1 cup and shes going to use half a cup so that means shes going to use 4 fluid ounces of vinegar. To find how much baking soda she is going to use, we are going to multiply.

1.5 * 4 = 6

Best of Luck!

8 0
3 years ago
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