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Gemiola [76]
2 years ago
5

Please help me !! How do I solve this I'm stressed and I'm crying rn because I don't understand it

Mathematics
1 answer:
zhuklara [117]2 years ago
7 0
I believe you calculate the sum of the positive numbers in other words you can add the numbers that sum to multiples of 10. 11x+7+50+120
                                                                             11x+170
                                                                                11x+177
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HELP ME PLEASE :( FASSSSTTT
ipn [44]

Answer:

4 and -5 for the first one

-5 and -5 for the second

5 and -4 for the third

-4 and 5 for the fourth

7 0
2 years ago
Read 2 more answers
Pls helppp me this is very very urgent
Nat2105 [25]

Answer:

1. 5040

2. 20

Step-by-step explanation:

1. using the formula for permutation

nPr=n!/(n-r)!

10P4 = 10!/(10-4)!

=10*9*8*7*6!/6!

then we are left with

=10*9*8*7

=5040

2.using the formula for combination

nCr=n!/(n-r)!r!

6C3=6!/(6-3)!3!

=6*5*4*3!/3!3!

=6*5*4/3*2*1

=20

4 0
3 years ago
Kiera and Trina joined a gym. The gym offers two different payment plans. Kiera chose Plan 1 and pays $25 a month and no fee to
Lady_Fox [76]

Answer:

t1 = $25m

t2 = $(10m + 100)

Step-by-step explanation:

Here we want to write equations

Kiera chose plan 1

$25 monthly and no joining fee

So the amount after m months will be 25 * m

t1 = $25m

Trina chose plan 2

$10 a month and $100 joining fee

after m months , total payment will be

10(m) + 100 = $(10m + 100)

Thus t1 = $25m and t2 = $(10m + 100)

6 0
3 years ago
Please help asap! giving brainliest for those who help!!
dsp73

Answer:

I think this is right:

50:50

5/10

0.5

50%

Step-by-step explanation:

6 0
3 years ago
Factor the polynomial. 7x2 + 68xy - 20y2 A) (7x - 2y)(x + 10y) B) (7x - 10y)(x - 2y) C) (7x + 10y)(x + 2y) D) (7x + 2y)(x - 10y)
Otrada [13]
For this case we have the following polynomial:
 7x2 + 68xy - 20y2
 Factoring we have:
 (7x-2y) (x + 10y)
 We verify the factorization:
 7x2 + 70xy - 2xy - 20y2
 Rewriting we have:
 7x2 + 68xy - 20y2
 Therefore, the factorization is correct.
 Answer:
 
A) (7x - 2y) (x + 10y)
5 0
2 years ago
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