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sweet [91]
3 years ago
8

Michael wrote the system of equations below, but he accidentally left out the coefficient of x in the first equation.

Mathematics
2 answers:
Art [367]3 years ago
6 0

Your answer would have to be 2

Nookie1986 [14]3 years ago
5 0

The answer is C, 5. This is because equation #2 is 3 times greater than the first equation, found by identifying 3y in the second equation. So 5*3=15.

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In ΔJKL, l = 860 inches, j = 920 inches and ∠K=126°. Find ∠L, to the nearest degree.
fomenos

Answer:

26

Step-by-step explanation:

JKL= ABC,  jkl=abc

1.) use law of sines to find k.

c^{2} =a^{2} +b^{2} -2abCosC    

c=\sqrt{920^{2} +860^{2} -2(920)(860)cos(126) } = 1586.225515

2.) use law of cosines to find L

\frac{a}{sinA} =\frac{b}{sinB} =\frac{c}{sinC}  

plug in for b and c:  \frac{860}{sinB} =\frac{1586.225515}{sin126}

cross multiply: \frac{1586.23sinB}{1586.23} =\frac{860sin126}{1586.23}

sinB= 0.4386227612\\B=sin^-1(0.4386227612)= 26.01604086\\

L=26

5 0
3 years ago
Hey Im stuck on this question, can someone help?
makvit [3.9K]

Answer:3

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
1) The variable x represents a value in the set ( 4, 6, 7, 8). Which value of x makes 2 (x-4) +3 =7?
sammy [17]

Answer:

x=6

Step-by-step explanation:

2 (x-4) +3 =7

Subtract 3 from each side

2 (x-4) +3-3 =7-3

2(x-4) =4

Divide each side by 2

2(x-4)/2 = 4/2

x-4 = 2

Add 4 to each side

x-4+4 =2+4

x=6

8 0
3 years ago
Please help I’m so confused
Leya [2.2K]

Answer:

40 {m}^{2}

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3 years ago
Solve the following exponent:<br><br> 70
Alika [10]

Answer  70 = 7070

Step-by-step explanation: denotes how many times to multiply the base (70)

7 0
2 years ago
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