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Elena L [17]
3 years ago
14

Solve simultaneous equations using an appropriate method.

Mathematics
2 answers:
Mice21 [21]3 years ago
7 0

Answer:

a)3,0

b)111/23,_51/23

c)1

Mrac [35]3 years ago
5 0
B is the answer I think but not sure
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A rectangular vegetable patch has a perimeter of 36 meters and an area of 80 square meters. What are the dimensions of the veget
hjlf

Answer: 5 and 4

Step-by-step explanation:

Perimeter = 2 ( L + W)

18 = 2(L + W) divide through by 2

9 = L + W

9 - L = W

Area = L * W

20 = L (9 - L)

20 = 9L - L^2

L^2 - 9L + 20 = 0 factor

(L - 5) (L - 4) = 0

Set both factors to 0 and solve for L

L = 5 and L = 4

5 0
3 years ago
The table contains four statements. For which function below are four statements true?
Elena L [17]

I pretty sure the best answer would be f(x)=cbrt(27-x)

cbrt means cube root by the way.

8 0
3 years ago
Read 2 more answers
A helicopter is hovering 110 feet in the air over a landing pad. If a man sees the helecopter at an angle of elevation of 29°, w
Pavel [41]
See the attached figure to better understand the problem

we know that

tan 29°=AC/CB--------> CB=AC/tan 29°
AC=110 ft 
CB--------> <span>how far the man is from the helicopter landing pad
</span>so
CB=AC/tan 29°----------> CB=110/ tan 29°----------> CB=198.45 ft

the answer is
the man is  198.45 ft  from the helicopter landing pad 

3 0
3 years ago
Which graph represents the function f(x) = 2^x+ 3?
goblinko [34]

Answer:

Where's the graph?

Step-by-step explanation:

5 0
3 years ago
BC = 6x + 6,<br> AB = 8 +9, and<br> AC = 141.<br> Find BC
Dahasolnce [82]

Answer: 60

Step-by-step explanation:

Since AB and BC creates AC, we can add them together to find x, then use that to find the value of BC.

8x+9+6x+6=141                  [combine like terms]

14x+15=141                          [subtract both sides by 15]

14x=126                               [divide both sides by 14]

x=9

Now that we have found the value of x, we can plug that into BC.

6(9)+6                                 [multiply]

54+6                                   [add]

60

Now, we know the length of BC is 60.

3 0
3 years ago
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