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xenn [34]
3 years ago
6

Plz help due today .

Mathematics
1 answer:
lora16 [44]3 years ago
6 0

Answer:

xcv

Step-by-step explanation:

sd

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How to solve 10 (g+5)=2(g+9)
Ghella [55]

first multiply the outside numbers by both the numbers in the ()

10xg=10g       10x5=50    2xg=2g             2x9=18

then combine like terms

10g+50=2g+18

8g=32

then divide

g=4

4 0
3 years ago
Describe and correct the error in finding the tenth term of the arithmetic sequence 4, 12, 20, 28.
ycow [4]

Answer: The tenth term is 76

=======================================================

Explanation:

We use this arithmetic sequence formula to get the nth term

a_n = a_1 + d(n-1)

Plug in a_1 = 4, \ d = 8, \ n = 10 and you should get the following:

a_n = a_1 + d(n-1)\\\\a_{10} = 4 + 8(10-1)\\\\a_{10} = 4 + 8(9)\\\\a_{10} = \textbf{76}\\\\

The tenth term is <u>76</u>

---------

We can verify this by listing out the terms one by one. Start at 4, add on 8 each time, until you generate the 10th term. A table like the one shown below is a good way to keep track of all the terms.

\begin{array}{c|c}\boldsymbol{n} & \boldsymbol{a_n}\\1 & 4\\2 & 12\\3 & 20\\4 & 28\\5 & 36\\6 & 44\\7 & 52\\8 & 60\\9 & 68\\10 & \textbf{76}\\\end{array}

---------

In short, the error is with the "10" in the expression 4+10(8). The student should have used 9 instead. This is because of the n-1 term in a_n = a_1 + d(n-1) which shifts everything one spot to the left.

7 0
2 years ago
Write an explicit formula for the geometric sentence
Agata [3.3K]

Answer:

aⁿ=4(−1)ⁿ⁻¹/3ⁿ

Step-by-step explanation:

use the formula an=a1rⁿ⁻¹

aⁿ=4(−1)ⁿ⁻¹/3ⁿ

5 0
2 years ago
Is 14/35 and 21/42 proportional
PIT_PIT [208]
1.Simplified each one 
2/5 (both divided by 7) ,  1/2 (divided by 21)
2.Make them into integer
(2/5 )*(2/2)=4/10    ,    (1/2)*(5/5)=5/10
Now the dominators are the same ,you can just compare the numerators. It is 4:5
8 0
3 years ago
How do you know if two lines segments are perpendicular
Greeley [361]

Answer:

when they are intersecting at a 90 degree angle.

Step-by-step explanation:

when lines intersect, they just cross over one another at any point. but with perpendicular lines, they have to be at a right angle. an example of this is a square. all of its corners are perpendicular

6 0
3 years ago
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