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ch4aika [34]
2 years ago
6

Please please please please please please help me if u can tysmm

Mathematics
1 answer:
faltersainse [42]2 years ago
4 0
Q55.
UTA+ATS=UTS
x+18+120=12x+17
x+138=12x+17
12x-x=138-17
11x=121
x=121/11
x=11

mUTA=x+18
put the value of x
11+18
mUTA=29

Q57.
AQP+RQA=RQP
9x+2+75=1+28x
9x+77=1+28x
28x-9x=77-1
19x=76
x=76/19
x=4

mRQP=1+28x
put the value of x
1+28(4)
1+112
mRQP=113
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N is a positive intiger. Explain why 2n+1 must be an odd number.​
pogonyaev

Answer:

Because the number would be multiplied by an even number, which is 2. If the number (odd or even) is multiplied by two, then the result would be an <em>even number</em>.

Proof:

2(1) = 2

2(6) = 12

2(7) = 14

2(3) = 6

The number would then be added by an odd number, which is 1. If an even number is added with an odd number, then the result would be an odd number.

Proof:

2 + 1 = 3

12 + 1 = 13

14 + 1 = 15

6 + 1 = 7

6 0
3 years ago
Will mark brainliest!
Maurinko [17]

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983000

<em>Hope this helped, love!</em>

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6 0
2 years ago
Read 2 more answers
Convert the map scale to a unit rate. How many inches represent one mile? Show your work. Interpret the meaning of the unit rate
Veronika [31]
Verbal model: mile/inch=mile/inch

Proportion: 7/8÷3/10=x/1

Solve= 7/8*10/3=x/1

70/24=x/1

70=24x

x=35/12

The unit rate must be \frac{35}{12} miles/ inch
7 0
3 years ago
Find the derivative of f(x) = 7x + 9 at x = 6
slava [35]
F(x)=7x+9
f´(x)=7
f´(6)=7

answer: f´(6)=7

f´(x)=Lim x⇒0   (f(x+h)-f(x)) / h
f´(6)=lim x⇒ 0   (7(6+h)+9 -(7*6+9)) / h
=lim x⇒0 ( 42+7h+9-42-9) /h
=lim x⇒0 (7h/h)=7

answer: f´(6)=7
3 0
3 years ago
Mae Ling earns a salary of $365 pulse an 8.0% commission on sales at a gift shop. How much would she make in a week if she sold
sergeinik [125]

Answer:$360

Step-by-step explanation: 8.0% -- 0.08

                                             $4500 x 0.08 = 360

Hope this helps :)

3 0
3 years ago
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