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2 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

Mathematics

1 answer:

Grace [21]2 years ago

7 0

Answer:

4096

Step-by-step explanation:

8 x 8 x 8 x 8

Hope this helps! Pls give brainliest!

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Question 7 of 10<br> What is the solution to this equation

tatyana61 [14]

Answer:

x = 4

Step-by-step explanation:

x + 4(x+5) = 40 (Given)

x + 4x + 20 = 40 (Distribute the 4 into the x and 5)

5x + 20 = 40 (Add like terms)

5x = 20 (Subtract 20 on both sides)

x = 4 (Divide 5 on both sides)

5 0

3 years ago

Cindy is buying a new car and wants to learn how the value of her car will change over time. Insurance actuaries predict the fut

lawyer [7]

Answer:

$C=10000(0.852)^t$

Step-by-step explanation:

Let the exponential function be,

$C=a(b)^t$

Here, C = cost of the car

t = Duration or period in years

From the given table,

Two points representing cost of the car and time are (10000, 0) and (8520, 1),

For (10000, 0),

$10000=a(b)^0$

a = 10000

For (8520, 1)

8520 = $10000(b)^1$

$b=\frac{8520}{10000}$

b = 0.8520

Therefore, exponential equation will be,

$C=10000(0.852)^t$

8 0

2 years ago

A box contains 8 two-inch screws. Four have a Phillips head and 4 have a slotted head. In how many ways can 4 screws be chosen s

hammer [34]

Answer:

There are $6\cdot 6=36$ different ways to choose 4 screws such that 2 have a Phillips head and 2 have a slotted head.

Step-by-step explanation:

If 4 screws must be chosen so that 2 have a Phillips head and 2 have a slotted head, then you have to choose 2 screws with a Phillips head from 4 screws with a Phillips head and 2 screws with a slotted head from 4 screws with a slotted head.

You can choose 2 screws with a Phillips head from 4 screws with a Phillips head in

$C^4_2=\dfrac{4!}{2!(4-2)!}=\dfrac{4!}{2!\cdot2!}=\dfrac{1\cdot2\cdot3\cdot4}{1\cdot2\cdot1\cdot2}=6$

different ways.

You can choose 2 screws with a slotted head from 4 screws with a slotted head in

$C^4_2=\dfrac{4!}{2!(4-2)!}=\dfrac{4!}{2!\cdot2!}=\dfrac{1\cdot2\cdot3\cdot4}{1\cdot2\cdot1\cdot2}=6$

different ways.

In total there are $6\cdot 6=36$ different ways to choose 4 screws such that 2 have a Phillips head and 2 have a slotted head.

7 0

2 years ago

Another term for qualitative data is

svp [43]

Subjective, approximate, conditional, dependent, and partial

3 0

2 years ago

In 2010 the population of Brazil was about 1.907×10 to the 8 power. The population of Mexico is about 1.123×10 to the 8 power. A

Romashka [77]

Brazil population: 1.907× $10^{8}$

Mexico population 1.123× $10^{8}$

To find how much more the population was in Brazil than in mexico, you would subtract the Brazil population to Mexico's population:

The $10^{8}$ 's would not cancel out because they are representing further decimal places that aren't written, so you would subtract 1.907 and 1.123.

1.907 - 1.123= 0.784 $10^{8}$

Brazil's population is 0.784× $10^{8}$ larger than Mexico.

6 0

2 years ago