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2 years ago

I don’t know what any of these are can someone plzzzz help me

Mathematics

1 answer:

cricket20 [7]2 years ago

8 0

I would need to see the drop downs.

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6a - 5b when a = -3 and b = 4

DIA [1.3K]

Given.

6a - 5b

Plug in values.

6(-3) - 5(4) =

-18 - 20 =

-38

8 0

3 years ago

Read 2 more answers

Which set of ordered pairs represents a function?

Georgia [21]

Answer:

the second one

Step-by-step explanation:

in order for it to be a function the x values CANNOT repeat.

in answer a the x value -6 repeats so that cannot be a function

in answer b none of the x values repeat so its probably this one but lets check the other ones just in case

in answer c the x value 8 repeats so it cannot be this one

in answer d the x value -2 repeats so it cant be this one \

b is the only one that does have repeating x values therefore it is the second one

6 0

2 years ago

Read 2 more answers

What is the algbraic expression for <br> 2(x - 7) + 10

Step2247 [10]

Answer:

Two times the difference of x and seven plus ten

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

A video game costs $45.99. It is 45% off today at the store. What is the sale price of the video game?

stepan [7]

Answer:

the sale price of the video game after discount is 25.29

hope this helps have a nice day please give me brainliest:)

Step-by-step explanation:

5 0

2 years ago

What values of c and d make the equation true?

saul85 [17]

Answer:

Third option.

Step-by-step explanation:

You need to cube both sides of the equation. Remember the Power of a power property:

$(a^m)^n=a^{mn$

$\sqrt[3]{162x^cy^5}=3x^2y(\sqrt[3]{6y^d})\\\\(\sqrt[3]{162x^cy^5})^3=(3x^2y(\sqrt[3]{6y^d}))^3\\\\162x^cy^5=27x^6y^36y^d$

According to the Product of powers property:

$(a^m)(a^n)=a^{(m+n)$

Then. simplifying you get:

$162x^cy^5=162x^6y^{(3+d)}$

Now you need to compare the exponents. You can observe that the exponent of "x" on the right side is 6, then the exponent of "x" on the left side must be 6. Therefore:

$c=6$

You can notice that the exponent of "y" on the left side is 5, then the exponent of "x" on the left side must be 5 too. Therefore "d" is:

$3+d=5\\d=5-3\\d=2$

4 0

3 years ago