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zzz [600]
3 years ago
13

X+3y=18 and x+2y=14 SHOW YOUR WORK!!!!!!!!!!!!!!!

Mathematics
2 answers:
Hoochie [10]3 years ago
6 0

Step-by-step explanation:

x=6

y = 4

......................

d1i1m1o1n [39]3 years ago
5 0
I think it is this i’m not sure i saw this a long time ago hope it helps

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What is the common ratio of the geometric sequence (-3,-9, -27,-81.....}*
Marianna [84]
Divide any term by the term before it, and you'll get the common ratio of the geometric series.

-81/-27=3
The common ratio is 3.
5 0
2 years ago
Read 2 more answers
Decide whether quadrilateral ABCD with vertices 4(3,1), B(-1,-1) C(1,3), and D(5.5) is a rectangle, rhombus,square, or parallelo
Sergeeva-Olga [200]

Answer: rhombus

Step-by-step explanation:

By inspection, we can tell that there are no right angles, so we can determine it is not a square or a rectangle.

From the options, it is implied that it is a parallelogram, so to determine if it is a rhombus, we can determine if there is a pair of consecutive congruent sides.

By the distance formula,

AB=\sqrt{(-1-3)^{2}+(-1-1)^{2}}=\sqrt{16+4}=2\sqrt{5}\\BC=\sqrt{(-1-1)^{2}+(-1-3)^{2}}=\sqrt{4+16}=2\sqrt{5}

As AB=BC, there is indeed a pair of consecutive congruent sides, and thus the most specific classification is a <em>rhombus</em>

5 0
2 years ago
Pls help me!!!!solve this question
nasty-shy [4]
(11k^4 - 4m) + (-2k^4 - 15m)
Add -2k^4 to 11k^4. This would be the same as subtracting 2k^4 from 11k^4
9k^4 - 4m - 15m
Add -15m to -4m. This would be the same as subtracting 15m from -4m
Final Answer: 9k^4 - 19m

Word Form: Nine times the variable k to the forth power minus nineteen times the variable m.
3 0
3 years ago
Please help ill give brainliest to right answer
ch4aika [34]

Answer: D y:2/5x

It correct

7 0
2 years ago
Write 343 with an exponent by using 7 as the base
pochemuha
7^3 = 343

7×7=48
7×7×7=343
8 0
3 years ago
Read 2 more answers
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