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olasank [31]
2 years ago
15

X - 2y = 7 and 2x + 5y = -4 sorry more help but i need x and y again

Mathematics
2 answers:
Luden [163]2 years ago
3 0

Answer:

x = 3, y = -2

natka813 [3]2 years ago
3 0

Answer:

x=3 y=-2

Step-by-step explanation:

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Im a bit confused with this... any help would be great :(
max2010maxim [7]

Step-by-step explanation

(9).

ΔXYZ ≅ ΔRST

XZ = RS

XZ = 60

RS = 60

(10).

ΔABC ≅ ΔEDC

AC = EC

EC = 56

AC = 56

(11).

ΔJKL ≅ ΔMKN

JL = MN

3x - 2 = x + 1

2x = 3

x = 3/2 ⇒ x = 1.5

(12).

ΔBCD ≅ GEF

BD = GF

BD = 57

(13).

ΔPQR ≅ SQT

PQ = SQ

x + 5 = 8

x = 8 - 5

x = 3

(14).

ΔCDE ≅ GDF

ED = FD

ED = 4

8 0
3 years ago
A pound of chocolate costs 6 dollars. mai buys p pounds . write an equation to represent the total cost c that mai pays
blagie [28]

Answer:

6 times p = c

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the value of y when x = 3? y = 12x x | y ------- 0 | ------- 1 | ------- 2 | ------- 3 | A. 24 B. 36 C. 48 D. 60
Sindrei [870]
So y=12x. All you need to do is plugging in x=3;

y = 12(3) = 36

So answer is B.
3 0
2 years ago
What is <br>the answer. ​
lesantik [10]
Positive 28 because to negative will equal a positive number
7 0
2 years ago
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How do you translate this verbally? y less than 21
Galina-37 [17]
The Answer is y < 21
5 0
3 years ago
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