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Dafna1 [17]
2 years ago
11

The system when solved is:

Mathematics
1 answer:
Karolina [17]2 years ago
3 0

Answer:

1,-4

its the right answer

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Please help me it is timed and i am running outta time
Westkost [7]

Answer:

In ∆RST and ∆XYZ

RS=YZ(S)

angle RST=angle XYZ(A)

ST=YZ(S)

hence ∆RST ≠~∆XYZ

7 0
3 years ago
Please help me with this math question!!!!!
astraxan [27]

Answer:

60

Step-by-step explanation:

7x+30+9x+42=104

16x+72=104

16x=104-72

16x=32

x=2

SO:

<BOC=9x+42=

9(2)+42=

18+42=

60

7 0
2 years ago
Which step is incorrect when solving the equation 2(x+9)=4(x+7)+2?
iragen [17]

Answer:

3. 2x+18=4x+26

Step-by-step explanation:

2(x+9)=4(x+7)+2

2x+18=4x+28+2

2x+18=4x+<u>3</u><u>0</u>

<em><u>The</u></em><em><u> </u></em><em><u>step</u></em><em><u> </u></em><em><u>that</u></em><em><u> </u></em><em><u>made</u></em><em><u> </u></em><em><u>an</u></em><em><u> </u></em><em><u>error</u></em><em><u> </u></em><em><u>in</u></em><em><u> </u></em><em><u>solving</u></em><em><u> </u></em><em><u>this</u></em><em><u> </u></em><em><u>linear</u></em><em><u> </u></em><em><u>equation</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>step</u></em><em><u> </u></em><em><u>3</u></em><em><u>.</u></em>

Hope this helps ;) ❤❤❤

8 0
3 years ago
What is the largest integer n such that (n^2-38) / (n +1) is an integer?
Phantasy [73]

Answer:

a. 36

Step-by-step explanation:

for (n^2-38)/(n+1) to be an integer, n+1 must completely divide, n^2-38.

we check with the options

option a n=36 sutisfies the above condition.

(36^2-38)/36+1 = 1258/37= 34 , which is an integer. Therefore, largest integer would be 36

6 0
3 years ago
Help me please<br> i only have 30 minutes until this is due
balu736 [363]

Answer:

4. sin 40= 0.7451131604793488384

5. cos 40= -0.666938061652261888

6. tan 50= -0.2719006119976306688

7. tan 40= -1.1172149309238962176

8. sin A= -0.5882162892399388672

9. cos A= -0.8087036521945458688

10. tan A= 0.7273570332515760128

4 0
3 years ago
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