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3 years ago

What is the unit rate of 405 miles in 8 hours?

Mathematics

2 answers:

lora16 [44]3 years ago

7 0

Answer:

50.625 miles per hour (mph)

Step-by-step explanation:

Step 1: Divide

405/8

= 50.625

mark as brainliest please, I need a few more :)

Arisa [49]3 years ago

4 0

50.625 miles per hour

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Find an expression for the perimeter of rectangle ABCD. Use the formula P= 2l + 2w.

natita [175]

Answer:

(b)

P = [4(4a + 3b]/(2a + b)

Step-by-step explanation:

P = 2L + 2W

P = [2(5a + 4b) + 2(3a + 2b)]/(2a + b)

P = [10a + 8b + 6a + 4b]/(2a + b)

P = [16a + 12b]/(2a + b)

P = [4(4a + 3b]/(2a + b)

3 0

3 years ago

25x-5 but the expression as a product

Sever21 [200]

Answer:5(5x-1)

Step-by-step explanation: for a product the equation above

25x-5

Since 5 is divisible by 25

25/5=5

5/5=1

5(5x-1)

3 0

3 years ago

Plz help LOL 5(x-3)-x=

V125BC [204]

5(x-3)-x =
Multiply Everything In The Parentheses By 5
5x-15-x

3 0

3 years ago

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Y/−7 = 1 /4 what does y =

Studentka2010 [4]

Answer:

y = - $\frac{7}{4}$

Step-by-step explanation:

$\frac{y}{-7}$ = $\frac{1}{4}$ ( cross- multiply )

4y = - 7 ( divide both sides by 4 )

y = - $\frac{7}{4}$

4 0

3 years ago

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If g(x)=4x-6 then g^-1(x)=? (1) -4x+6 (2)-1/4x+1/6 (3)1/4x+3/2 (4)1/4x+6

kati45 [8]

Given:

$g(x)=4x-6$

To find:

The function $g^{-1}(x)$ .

Solution:

we have,

$g(x)=4x-6$

Put g(x)=y.

$y=4x-6$

Interchange x and y.

$x=4y-6$

Isolate y.

$x+6=4y$

$\dfrac{x+6}{4}=y$

$y=\dfrac{x+6}{4}$

Substitute $y=g^{-1}(x)$ .

$g^{-1}(x)=\dfrac{x+6}{4}$

$g^{-1}(x)=\dfrac{x}{4}+\dfrac{6}{4}$

$g^{-1}(x)=\dfrac{x}{4}+\dfrac{3}{2}$

Therefore, the correct option is (3).

4 0

3 years ago

Read 2 more answers