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Novay_Z [31]
3 years ago
8

1

Mathematics
1 answer:
Andrei [34K]3 years ago
3 0

Answer:

the answer is C I hope it helps you

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What is the area of this parallelogram?
Alex Ar [27]
Formula for area of parallelogram:
A= bh
Where b is the length of base and h is the height.
Here b=2.3+4.5 = 6.8 cm
and h= 4.5 cm
Put values in formula.

A= 6.8 x 4.5
A=30.6 cm²

Answer: 30.6 cm
²


7 0
2 years ago
I need help don’t understand
Tasya [4]
C. YFC hope this helps!!!
5 0
2 years ago
Please help me I don’t understand anything about this
Alik [6]

Answer:

B

Step-by-step explanation:

It can be crossed if sides are same in multiply, as shown in the answer

3 0
2 years ago
Read 2 more answers
5th grade math. Correct answer will be marked brainliest.
Triss [41]

Answer:

ur welcome :)

Step-by-step explanation:

1) 2 places to the left

2) 2 places to the left

3)0.313

8 0
2 years ago
Find the twenty-fifth term of an arithmetic sequence if the first term is-1 and the common difference is 5. Write the first thre
denis-greek [22]

Answer:

1). T_{25}=119

2). T_{1}=-23

T_{2}=-23+2=-21

T_{3}=-23+4=-19

Step-by-step explanation:

First term of an arithmetic sequence is (-1) and common difference is 5.

Then we have to find twenty fifth term of this arithmetic sequence.

Since explicit formula of an arithmetic sequence is represented by

T_{n}=a+(n-1)d

Where T_{n} represents nth term of the sequence.

a = first term

n = number of term

and d = common difference

Now we will find 25th term of this sequence.

T_{25}=(-1)+(25-1)5

= (-1) + 120

= 119

Similarly in second part of this question we have to find first three terms of an arithmetic sequence in which

T_{21}=17 and

T_{50}=75

Now from the explicit formula

17 = a + (21 - 1)d

17 = a + 20d   --------(1)

75 = a + (50 - 1)d

75 = a + 49d --------(2)

Now we subtract equation 1 from 2

75 - 17 = 49d - 20d

29d = 58

d = \frac{58}{29}=2

By putting d = 2 in equation 1

17 = a + 20×2

17 = a + 40

a = 17 - 40

a = -23

Therefore, first three terms of this sequence will be

T_{1}=-23

T_{2}=-23+2=-21

T_{3}=-23+4=-19

8 0
3 years ago
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