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2 years ago

Please solve this equations and include the workings

Mathematics

2 answers:

laiz [17]2 years ago

7 0

Answer:

Step-by-step explanation:

6^x/6 = x

(6^2)^y = 36^y

so, x= 2y

faust18 [17]2 years ago

3 0

Answer:

2³ x 2⁴ = 128

6³/6 = 36¹

Step-by-step explanation:

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Austin drove 455 miles in 7 hours.

Effectus [21]

Answer:

9 hours

Step-by-step explanation:

455/7 gives you the mph

which is 65

then divide 585 miles by the mph (65)

585/65

= 9 hours

3 0

2 years ago

A continuous random variable X has cdf F(x)=x² b (a) Determine the constants a and b. for a < 0, for 0 < x < 1, for x &

Karolina [17]

Any proper CDF $F(x)$ has the properties

• $\displaystyle \lim_{x\to-\infty} F(x) = 0$

• $\displaystyle \lim_{x\to+\infty} F(x) = 1$

so we have to have a = 0 and b = 1.

This follows from the definitions of PDFs and CDFs. The PDF must satisfy

$\displaystyle \int_{-\infty}^\infty f(x) \, dx = 1$

and so

$\displaystyle \lim_{x\to-\infty} F(x) = \int_{-\infty}^{-\infty} f(t) \, dt = 0 \implies a = 0$

$\displaystyle \lim_{x\to+\infty} F(x) = \int_{-\infty}^\infty f(t) \, dt = 1 \implies b = 1$

8 0

2 years ago

5/6=7n+9/9 how do i do this

fredd [130]

The answer is in decimal formal in the file below

4 0

2 years ago

Read 2 more answers

Four people must stand in a row for a group photo. How many different ways can they be lined up for the photo?

Finger [1]

Answer:

they can be lined up from front,side, back

Step-by-step explanation:

if u line them by side their in a straight line and hips faced to camera,or smallest to tallest in face front camera or back point of view in jumping, or holding hands.

7 0

3 years ago

Natalie buys a cooper wire that is 3 feet long. The cost of the wire is $1.25 per foot, including tax. What is the total cost, i

Mnenie [13.5K]

Answer:

$3.75

Step-by-step explanation:

Given:

Natalie buys a cooper wire that is 3 feet long.

The cost of the wire is $1.25 per foot.

Question asked:

What is the total cost, in dollars, of Natalie's wire?

Solution:

<u>By unitary method:</u>

Total length of wire = 3 feet

Each foot of wire cost = $1.25

3 feet of wire cost = $1.25 $\times$ 3 = $3.75

Thus, total cost of wire is $3.75

5 0

3 years ago