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Paul [167]
3 years ago
11

What is the value of y? 2x+3x=105 x+2y=65

Mathematics
2 answers:
UNO [17]3 years ago
5 0
(21,22) I solved by substitution
Ksenya-84 [330]3 years ago
4 0
The answer is y = 25
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ALEGBRA 1 ! help. me. please. this. is. so. hard. i dont. understand it.
ANEK [815]

Answer:

Part a) to find the maximum height of the snowball, you have to differentiate the function. Therefore you get ----> dh/dt= -32x-8 . Now equate this to zero and solve for x. x= (-1)/4 now sub this value in to find h(x) [note: i'm talking about the original function] . I got h max = h((-1)/4) = 9 which is the max height.

Step-by-step explanation:

I'm not too sure about the other questions. Sorry

8 0
3 years ago
B. Choose the correct answers.
Leviafan [203]
The answer is always negative because if you multiply like signs, the answer is positive, unlike signs are always negative
5 0
3 years ago
Simplify as much as possible:<br> (7nm5o2) (-3m3o5)2
Yakvenalex [24]

Answer:

63m^11 no^12

Step-by-step explanation:

Dont know if thats o or and zero but I solve it by using o..if it was a zero then comment that so I can redo it anyways heres the explanation

(7nm^5 o^2) × (-3m^3 o^5)^2

7m^5 no^2) ×(-3m^3 o^5) ^2

(7m^5 no^2) × (3m^3 o^5)^2

7m^5 no^2 × (3m^3 o^5) ^2

7m^5 no^2 × 9m^6 o^10

63m^11 no^12

3 0
3 years ago
37 points! The square root of 83 can be plotted on the number line below.
Nikitich [7]

Answer:

9.1 is the nearest tenth

9.11 to the nearest hundredth

just slightly to the right of 9.1

Step-by-step explanation:

sqrt(83)

sqrt(81) = 9

So we know that it is slightly greater than 9

9.1*9.1 =81.81

9.2*9.2=84.64

9.1 is closer

9.11 * 9.11 =82.9921

9.12 * 9.12 =83.1744

9.11 is closer

7 0
3 years ago
Read 2 more answers
Please help me with this question
Setler [38]

Step-by-step explanation:

{ ({y}^{2} )}^{4} . \:  {( {y}^{3}) }^{2}

Since,

{ ({a}^{x} )}^{y}  =  {a}^{xy}

Hence,

{y}^{2 \times 4} . {y}^{3 \times 2}

=  {y}^{8} . {y}^{6}

Since,

{a}^{x} . {a}^{y}  =  {a}^{x + y}

Hence,

=  {y}^{8 + 6}

=  {y}^{14} (ans)

6 0
2 years ago
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