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SpyIntel [72]
3 years ago
5

What is the answer to this quetion

Mathematics
2 answers:
sveta [45]3 years ago
4 0
   |-2| + |-3| - (-6)

=   2 + 3 + 6    = 11 (answer)
Annette [7]3 years ago
4 0

Answer:

The answer is 11

Step-by-step explanation:

just took the test

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The weight of an object is equal to 3\4 of its own weight plus 3\4of a pound. What is the weight?
Phoenix [80]

Answer:

The weight of the object is 3 kg.

Step-by-step explanation:

<u>Step 1: </u>

Let object weight be x kg.

Now, as per the available data,

3/4 kg + 3/4 (x kg) = x kg

<u>Step 2: </u>

3/4 (1 + x) = x

1 + x = 4x/3

1 = x (4/3 - 1)

x = 1 / (1/3)

x = 3

Weight of Object is 3 kg.

<u>Step 3: </u>

Let's check if this value satisfies the first equation.

3/4 + 3/4 x 3 = 3/4 + 9/4 = 12/4 = 3

Hence proved.

8 0
3 years ago
A 10-foot ladder touches the side of a building at a point 8 feet above the ground. At what height would a 22-foot ladder touch
WARRIOR [948]
<h2>Answer:</h2>

8.75 feet

<h2>Step by step:</h2>

Given that a 12 foot ladder leans against a building seven feet above the ground.

By using trigonometry ratio, the angle between the ladder and the ground will be

SinØ = opposite/ hypothenus

SinØ = 7 / 12

SinØ = 0.58333

Ø = Sin^-1(0.58333)

Ø = 35.69 degree

At what height would an 15 foot ladder touch the building if both ladders form the same angle with the ground?

Using the same trigonometric ratios

SinØ = opposite/hypothenus

Sin 35.69 = opposite/ 15

Cross multiply

Opposite = 15 × sin 35.69

Opposite = 8.75 feet

Therefore, the ladder will touch the building if both ladders form the same angle with the ground at height 8.75 feet.

6 0
2 years ago
The volume of a cube is 1 cubic foot. What is the length of each side of the cube
Alona [7]

Answer:

1

Step-by-step explanation:

7 0
3 years ago
An HP printer costs $180, with printing costs of $0.03 per page. A Samsung printer costs $230, with printing costs of $0.01 per
Softa [21]

Answer:

2,500 pages

Step-by-step explanation:

Let

y -----> the overall cost

x -----> the number of pages

we know that

HP printer

y=0.03x+180 ------> equation A

Samsung printer

y=0.01x+230 -----> equation B

Solve the system by substitution

Substitute equation B in equation A

0.03x+180=0.01x+230

Solve for x

0.03x-0.01x=230-180\\0.02x=50\\x=2,500\ pages

8 0
2 years ago
Riley is buying a new car. The sticker price on the car is $16,999. The bank has offered
a_sh-v [17]

Answer:

  $19,389

Step-by-step explanation:

The amount Riley is being charged for the car is ...

  (sticker price) + tax = 16,999 + 0.0625·16,999 = 16,999 +1062.44 = 18061.44

The amount he is paying as a down payment is 10& of this value:

  down payment = 10% · $18,061.44 = $1,806.14

Then the amount being financed is ...

  financed amount = purchase price - down payment

  = $18,061.44 -1,806.14 = $16,255.30

__

The amortization formula is good for finding the monthly payment.

  A = P(r/12)/(1 -(1 +r/12)^(-12t))

where P is the amount financed at rate r for t years.

  A = $16,255.30(0.039/12)/(1 -(1 +0.039/12)^(-12·4)) = $366.30

The total Riley will pay is the sum of the monthly payments and the initial down payment:

  total paid = 48·$366.30 +1,806.14 = $19,388.54 ≈ $19,389

The closest offered choice is $19,397.

_____

<em>Comment on answer choices</em>

We suspect the answer key computation involved some rounding somewhere.

7 0
3 years ago
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