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marshall27 [118]
3 years ago
6

15 - (45 ÷ (-5 × 9) + 6) ÷ 1^5

Mathematics
1 answer:
expeople1 [14]3 years ago
8 0
Use cymath it explan the math to you I use it for my math
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5. A football stadium has 81.296
Arada [10]

Answer:

92.091

Step-by-step explanation:

81+10=91

.296

+

.795

_____

1.091

So: 91+1.095=92.091

5 0
3 years ago
Write three equations whose graphs are the same line as the equation 3x+2y=7
babunello [35]
Answer: y=(-3x+7)/2
Isolate y.

2y= -3x+7

y= (-3+7)/2

Answer: x=(-2y+7)/3

Isolate x

3x=-2y+7

x=(-2y+7)/3

Answer: 6x+4y=14
Idk if that counts but multiply the whole equation by 2.
4 0
4 years ago
Work out 50% of 23kg?
pentagon [3]

Answer:

11.5 kg

Step-by-step explanation:

Is  means equals and of means multiply

50% * 23 = W

Change to decimal form

.50 * 23 =W

11.5 = W


5 0
4 years ago
Read 2 more answers
How do i answer these?
deff fn [24]

Answer:

1. distributive

2. associative

Step-by-step explanation:

In the first one, they are distributing 16 + 23 by the 4.

Therefore it is distributive property as they are splitting and then separately multiplying.

In the second one, the parentheses are shifted. The shifting of parentheses indicates priority, and the associative property says in addition you can choose what you'd like to do first and it won't change the answer.

8 0
3 years ago
Read 2 more answers
Identify, graph, and state the symmetries for the polar equation r=2+2sintheta.
IRINA_888 [86]

Answer:

Graph = Cardioid

Axis of symmetry = y-axis

Critical points= \frac{\pi}{2} , \frac{3\pi }{2}

Step-by-step explanation:

General equation for this type of cardioid is:

a ± b sinθ

Condition for a cardioid = \frac{a}{b} = 1

Axis of symmerty according to the graph of 2 + 2 sinθ is along y-axis.

Critical points:

r = 2 + 2 sinθ  ⇒ r = 2(1 + sinθ) ⇒ r' = 2 cosθ  

 ∵derivative of 1 + sinθ = cosθ

For finding critical point the derivative is equal to zero,

2 cosθ = 0    ⇒    cosθ = 0

the value of cosθ is equal to zero at intervals: \frac{\pi}{2} , \frac{3\pi }{2}

So, critical points = \frac{\pi}{2} , \frac{3\pi }{2}

3 0
3 years ago
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