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3 years ago

The left line I need help please

Mathematics

1 answer:

fgiga [73]3 years ago

5 0

Try using Photomath for some it’s easy and faster than waiting for people to respond on here i can help u when I’m done w this test with the left side if ur still stuck

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The senior classes at High School A and High School B planned separate trips to the water park. The senior class at High School

musickatia [10]

I would think that it would be A

5 0

2 years ago

What are the domain and range of the logarithmic function f(x) = log7x? Use the inverse function to justify your answers.

snow_tiger [21]

We have been given the function

$f(x)=\log 7x$

Domain is the set of x values for which the function is defined. We know that a logarithm function is defined for all values greater than zero.

Thus, for the domain , we have

$7x>0\\x>0$

The domain is given by $\left \{ x \in R, x>0 \right \}$

The range is the set of y values for which the function is defined. For this logarithm function, we can take any values. Hence, the range of the function is all real number.

Now let us find the inverse of the function.

$y=\log (7x)\\ \text{Swap x and y, we get}\\ x=log(7y)\\ \text{Now, we find the value of y}\\ 7y=10^x\\ y=\frac{1}{7}10^x\\ f^{-1}(x)=\frac{1}{7}10^x$

The domain of the inverse function is all real number and range is all values greater than zero.

We know that the domain of the function is range of the inverse function and the range of the function is domain of the inverse function.

Therefore, it justifies our solution.

3 0

3 years ago

Read 2 more answers

Elsie and her friends plan to drive 1048 miles during their road trip. How many gallons of gas will they need for this trip?

ElenaW [278]

That would depend on the car and the amount of miles the car can go on one tank of gas. Divide that amount from 1048 to get the answer.

3 0

3 years ago

Solve for x <br> -2^2(-5x+10)=100

masha68 [24]

Answer:

$x=7$

Step-by-step explanation:

Hi there!

$-2^2(-5x+10)=100$

Solve -2^2:

$-4(-5x+10)=100$

Divide both sides by -4:

$\displaystyle \frac{ -4(-5x+10)}{-4}=\frac{100}{-4} \\\\-5x+10=-25$

Subtract 10 from both sides:

$-5x+10-10=-25-10\\-5x=-35$

Divide both sides by -5:

$\displaystyle \frac{-5x}{-5} = \frac{-35}{-5} \\\\x=7$

Therefore, x = 7.

I hope this helps!

3 0

3 years ago

We are given AB ∥ DE. Because the lines are parallel and segment CB crosses both lines, we can consider segment CB a transversal

ohaa [14]

Answer: AAA similarity.

Step-by-step explanation: CB is the transversal for the parallel lines AB and DE, and so by transverse property, we have ∠CED ≅ ∠CBA. Similarly, CA acts as a tranversal for the same pair of parallel lines AB and DE and using the same property, we can have ∠CDE ≅ ∠CAB. Now, in triangles CED and ABC, we have

∠CED ≅ ∠CBA,

∠CDE ≅ ∠CAB

and

∠DCE ≅ ∠ACB [same angle]

Hence, by AAA (angle-angle-angle) similarity,

△CED ~ △ABC.

Thus, the correct option is AAA similarity.

8 0

3 years ago

Read 2 more answers