3 years ago

Rewrite 8x6+8x7 using the distributive property

Mathematics

1 answer:

Tema [17]3 years ago

4 0

Answer:

8x(6+7)

Step-by-step explanation:

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The quotient of a number and two imcreased by five is 10 equation

morpeh [17]

x/2 + 5 = 10

Subtract 5 from both sides.

x/2 = 5

Multiply both sides by 2.

x = 10 (This is your answer.)

3 0

3 years ago

The life span of a battery is the amount of time the battery will last. The distribution of life span for a certain type of batt

slavikrds [6]

Answer:

0.0548

Step-by-step explanation:

The distribution of life span for a certain type of battery is approximately normal with mean 2.5 hours and standard deviation 0.25 hour.

To find the the probability that a selected battery will have a life span of at most 2.1 hours, we need to first determine the z-score for x=2.1 hours using

$z = \frac{x - \mu}{ \sigma}$

We substitute the values to get:

$z = \frac{2.1 - 2.5}{0.25} = - 1.6$

We read read -1.6 from the standard normal distribution table to get:

P(X≤2.1)=0.0548

7 0

3 years ago

Elapsed time five in the afternoon to 1 minute after midnight

scoundrel [369]

Answer:

The elapsed time is 7hrs and 1 minute.

3 0

3 years ago

Gghjuyhyghggjtfdfhhhfgjfhhf

topjm [15]

Hello.

Have a beautiful and joyful day ahead.

3 0

3 years ago

Read 2 more answers

grigory [225]

For this case, what we must do is find the scale factor.
We have then that the scale factor is given by:
$k = \frac{L1}{L2}$
Where,
L1: side length of polygon ABCD
L2: side length of polygon PQRS
Note: both sides belong to the same side of each polygon
Substituting the values we have:
$k = \frac{6}{12}$
Rewriting we have:
$k = \frac{1}{2}$
Answer:
The scale factor of dilation is given by:
$k = \frac{1}{2}$

3 0

3 years ago

Read 2 more answers