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lyudmila [28]
3 years ago
5

Show your work please !!!!!!!!! Will mark Brianliest !!!!!!!!!! Anyone please helpppppp !!!!!!!!!!!!

Mathematics
1 answer:
Lana71 [14]3 years ago
3 0
Since it is an isosceles triangle 2 lengths are the Same
To find x
5x-9=2x+12
3x=21
X=7
Now plug it in all the equations
5x-9 and 2x+12 are the shortest and the same in length
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I NEED HELP ON THESE ASAPPPPPP
Lana71 [14]

Answer:

1. (-3,-11),(-2,-8),(-1,-5),(0,-2)(1,1)(2,4) (3,7)

2 (-3,5),(-2,0),(-1,-3), (0,-4),(1,-3),(2,0),(3,5)

3 0
2 years ago
The variable z is directly proportional to x, and inversely proportional to y. When x is 11 and y is 14, z has the value 7.85714
marta [7]

Z=kx/y

7.9=k11/14

Cross multiply

K11=7.9x14

K =7.9x14/11

K=10.1

........

Z= kx15/22

Z=10.1x15/12

Z=12.625

7 0
3 years ago
HEEEEEEELLLPPPPPPPPP!!!!! PLEASEEEEEEEE
Klio2033 [76]

Answer:

a) a_n=2(a_{n-1}), where a_1=5.

b)  a_n=5(2)^{n-1}

Step-by-step explanation:

The given sequence is


5,10,20,40....


The first term of the sequence is

a_1=5


The second term is a_2=10


The common ratio for this sequence can be determined using any two consecutive terms in the sequence.

Using the first two terms, the common ratio is

r=\frac{a_2}{a_1}


\Rightarrow r=\frac{10}{5}=2


a) The recursive rule is given by,


a_n=r(a_{n-1})


a_n=2(a_{n-1}), where a_1=5.


b) The explicit rule is given by a_n=a_1r^{n-1}


\Rightarrow a_n=5(2)^{n-1}





3 0
2 years ago
Nelson opened a savings account 11 years ago with a deposit of $3,115.89. The account has an interest rate of 5.3% compounded mo
Darina [25.2K]

Answer:

P=$3115.89

R=5.3%

T=11 years =11*12 months

now,

I=P(1+R/100)^T

6 0
3 years ago
How would I work out:
weqwewe [10]
There is 294 yellow counters that are in Bianca's sack.
8 0
3 years ago
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