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nydimaria [60]
2 years ago
5

Help will give thanks to the first to answer

Mathematics
1 answer:
andreyandreev [35.5K]2 years ago
8 0

Answer:

69

Step-by-step explanation:

Just plug in

10(9)-7(3) = 90-21 = 69

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What is these in simplest form <br> a) 2a + 4 + 5a + 8 = <br> b) -2b – 7 + 3b – 8 =
iren [92.7K]

Answer:

a ) 7a + 12

b) b - 15

Step-by-step explanation:

a)2a+5a +8+8

= 7a + 12

b) b - 7 - 8

= b-15

6 0
2 years ago
The altitude drawn to the hypotenuse of a right triangle divides the hypotenuse into segments of lengths 4 and 12. Find the leng
fomenos
The altitude will be the geometric mean of the lengths, so
h=\sqrt{4 \cdot 12}=4\sqrt{3}.  The smaller leg is the hypotenuse of a right triangle sides 4 and 4 \sqrt{3}, so the usual trig cliche, hypotenuse 8.

Answer: 8


3 0
3 years ago
Kendall is designing a backyard garden. She makes a scale drawing of the garden where 3 inches is equivalent to 2 feet in the ga
notsponge [240]

answer windex heres the step by step explanation everything =windex Step-by-step explanation:

7 0
3 years ago
The multiples of 2 form a sequence as follows: 2, 4, 6, 8, 10, 12, 14, 16, ... Describe the sequence you see. What about the mul
labwork [276]

Given:

The multiples of 2 form a sequence as follows: 2, 4, 6, 8, 10, 12, 14, 16, ...

To find:

Description of the sequence you see. What about the multiples of three? Four? Five?

Solution:

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2, 4, 6, 8, 10, 12, 14, 16, ...

It is defined as a_n=2n, where n is a natural number. It represents all positive even numbers.

Multiples of 3, 4 and 5 form the respective sequences:

a_n=3n, i.e., 3, 6, 9, 12, 15, 18, 21, 24,...

a_n=4n, i.e., 4, 8, 12, 16, 20, 24, 28, 32...

a_n=5n, i.e., 5, 10, 15, 20, 25, 30, 35, 40...

3 0
2 years ago
Combine any like terms in the expression. If there are no like terms, rewrite the expression.
bearhunter [10]

Answer:

10j^2 +j

Step-by-step explanation:

I added the first two terms since they have the same exponent and then left the j because its not squared or anything

3 0
2 years ago
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