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OLga [1]
3 years ago
12

Can someone please help me I need help

Mathematics
2 answers:
Rina8888 [55]3 years ago
5 0
The first one is graph c. The second is graph b.
Alex3 years ago
4 0

Answer:

C and B.

Step-by-step explanation:

f(x) = 4 - x^2.

The degree of f(x) is 2, which means it is a quadratic graph. The coefficient of x^2 is negative, which means the curve is pointing downwards. The only curve that satisfies this is Graph C.

f(x) = 2^x + 5.

Notice that 2^x is positive for all real values of x. Therefore the answer is Graph B.

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Can you please help me with my math thank you
gayaneshka [121]
2•8.2•5.1=83.64 square feet.
ANSWER: 83.64 Square Feet
7 0
2 years ago
10.) Kelly is flying a kite to which the angle of elevation is
jarptica [38.1K]

Answer:

61.08m

Step-by-step explanation:

Let " l " be the length of the rope and " θ " the angle at which it is raised. In other words:

  • l = 65m
  • θ = 70°

As you can see, there has been made a right angle triangle. So:

sin70 =  \frac{h}{l}  \\ h = l \times sin70 \\ h = 65 \times 0.9397 = 61.08 \\ h = 61.08

So the kite is approximately 61.08m above the ground.

In order to find the sin70° i used a calculator.

3 0
3 years ago
Helphelphelphelphelphelphelphelp
solniwko [45]

Answer:

Step-by-step explanation:

the areas are the same, the outer squares of Q are the ones missing in the center

7 0
1 year ago
Sooo I need to know the answer to the second picture
tatuchka [14]

Answer:

Origin symmetry?

Step-by-step explanation:

I believe it's origin, simply because it isn't symmetric according to either the x or y axis, but I'm not 100% sure

3 0
3 years ago
There are a few ways to increase the rate of a reaction. When the amount of a substance in a given volume is increased, this is
RUDIKE [14]
Both of these variables represent a common measure used in chemistry.

The amount of material/volume is the material’s concentration.

The rate is the reaction is increase by altering the concentration.
4 0
3 years ago
Read 2 more answers
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