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2 years ago

Hello does anyone know how to solve this?

Mathematics

1 answer:

Radda [10]2 years ago

5 0

Hello from MrBillDoesMath!

Answer: 2 ^ -4 ( = 1/16)

Discussion:

- 4 log {8} 2 {8} is used instead of subscript notation

Basic property of logarithms is that exponents become multipliers and vice versa:

-4 log {8} 2 = log {8} (2^ -4)

Thank you,

MrB

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Tanya [424]

Answer:

a. 10

b. -4

Step-by-step explanation:

For these problems, since we are given the x, we plug it into the expression and solve.

3(4)-2 [multiply]

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2 years ago

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I can't figure out the slope of (-5,1) and (6, 4)

Nuetrik [128]

Answer:

3/11

Step-by-step explanation:

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2 years ago

(x-5y,-3):(1,3y-x) find value of x and y<br>Please help me to solve thiss!!

11Alexandr11 [23.1K]

Answer:

x=11, y=2

Step-by-step explanation:

We can set 1 equal to x-5y and then solve for x. and y.

x = 5y+1

y = x-1/5

We can use this information and plug back in the values for 3y-x or x-5y.

We can set -3 = 3y-x or 1 = x-5y.

To solve for x using -3 = 3y-x we can swap the values of x and y which would make it -3 = 3(x-1/5)-5(x-1/5)+1.

We can do a bit of algebra which would get us x = 11.

Knowing that y = x-1/5 we can plug in 11 for x. y = 11-1/5.

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3 0

1 year ago

What is the cost of each item? What is the subtotal? What is the tax? What is the total paid? Shoes: $49.99 (normally) they are

prisoha [69]

Answer:

Cost of shoes = $37.4925

Cost of jacket = $92.4533

Tax = $9.81

Total paid = $144.2458

Step-by-step explanation:

Normal price of shoes = $49.99

Discount = 25%

Discounted price:

$\$49.99 - \$49.99\times \dfrac{25}{100} = \$37.4925$

Normal price of jacket = $137.99

Discount = 33%

Discounted price:

$\$137.99 - \$137.99\times \dfrac{33}{100} = \$92.4533$

Price of pack of cookies = $4.49

No discount on cookies as per question statement.

Total amount without tax = $37.4925 + $92.4533 + $4.49 = $134.4358

Sales Tax = 7.3% of total amount without tax = 7.3% $\times$ $134.4358 = $9.81

Total paid = $134.4358 + $9.81 = <em>$144.2458</em>

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2 years ago

A film student wants to capture a shot of a satellite dish placed at the top of a building. The line of sight between the ground

ICE Princess25 [194]

The ground, the building and the line of sight between the ground camera and the top of the building form right triangle with hypotenuse equal to 45 feet and angle adjacent to this hypotenuse and ground - 50°. The building is an opposite leg to the given angle, then you should write sine function:

$\sin 50^{\circ}=\dfrac{height}{45} \\ \\ 0.766=\dfrac{height}{45}\\ \\ height=45\cdot 0.766=34.47$ .

The answer to the nearest tenth of a foot is 34.5 feet

6 0

2 years ago