2 years ago

Exercise which car can travel farther on 1 gallon of gas?

Mathematics

2 answers:

Julli [10]2 years ago

7 0

Answer:

nidE sme olome tib ary dae usa arajkpnoder xd jsaludos aja lpa

Step-by-step explanation:

Minchanka [31]2 years ago

4 0

Answer:

Red

Step-by-step explanation:

Blue 18 2/5 = 18.4 / 0.8 = 23

Red 17 2/5 = 17.4 / 0.75 = 23.2

Red

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A number is chosen at random from the integers 10 to 30 inclusive. Find the probability that the number is a multiple of 3.

kirill [66]

Answer:

For each part, find how many numbers have the stated characteristic, then divide by 21.

e.g. multiples of 5:

these would be 10, 15, 20, 25, and 30

so prob (a multiple of 5 ) = 5/21

Do the others the same way

8 0

2 years ago

Read 2 more answers

Anit [1.1K]

i need some friends that would b nice

5 0

3 years ago

Does anyone know this and if it is extraneous or not?

Anna11 [10]

Addd 4 to both sides
$\sqrt{x+9}=5$
sqare both sides
x+9=25
minus 9 both sides
x=16

plug it in for x and see
$\sqrt{16+9}-4=1$
$\sqrt{25}-4=1$
$5-4=1$
1=1
true

not extraneous
an extraneous root would be x=-34

5 0

3 years ago

1<br> 4<br> Joey enlarged a 3-inch by 5-inch photograph on a copy machine. He enlarged it four times. The table below<br> shows

lozanna [386]

Answer:

3) 5.4

Step-by-step explanation:

Given two points (x1, f(x1)) and (x2, f(x2)), the average rate of change is computed as follows:

[f(x2) - f(x1)]/[x2 - x1]

From the original photograph to the fourth enlargement, the points are (0, 15) and (4, 36.6). Replacing into the equation we get:

[36.6 - 15]/[4 - 0] = 5.4

4 0

3 years ago

If the quotient of a number and 15 is added to 1/5 the result is 17/15.find the number

earnstyle [38]

Hello,

Let's assume x the number
$\dfrac{x}{15} + \dfrac{1}{5} = \dfrac{17}{15} \\

 \dfrac{x}{15} + \dfrac{3}{15} = \dfrac{17}{15} \\

x+3=17\\
x=17-3\\
x=14


$

5 0

3 years ago