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Lina20 [59]
2 years ago
14

Calculators are available in bulk to schools to

Mathematics
2 answers:
zaharov [31]2 years ago
6 0

Answer:

$86.67

Step-by-step explanation:

13,000 dollars

150 calculators

13,000 / 150 = 86.67

each calculator is worth about $86.67

timama [110]2 years ago
3 0

Answer: 86.67

Step-by-step explanation:

From the question,

Given that 150 calculators = $13,000

I calculator = x

1. we cross multiply

150x = 13,000

2. Divide both sides by 150 to get the value of x

x = 13,000/150

x = 86.67

I hope this helps, please mark as brainliest.

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SOLUTION: Each pattern below uses the same rule. What is the rule? 2,11,38,119 3,14,47,146 4,17,56,173
Vadim26 [7]
2 _ _ _ 3 _ _ _ 4 _ _ _                      add one 
_ 11 _ _ _ 14 _ _ _ 17 _ _                add three
_ _ 38 _ _ _ 47 _ _ _ 56 _                add nine
_ _ _ 119 _ _ _ 146 _ _ _173           add seventeen 

Hope this helps!!!
5 0
3 years ago
X - y = 3<br> x + 3y = 9
Ugo [173]
Solve for one of the variables in the first equation (in this case, I will solve for X):
X = Y + 3

Then use that value of X in the second equation to solve for Y:
X + 3Y = 9
(Y + 3) + 3Y = 9
4Y + 3 = 9
4Y = 6
Y = 1.5

Use the value of Y we just found in the X equation we created:
X = Y + 3
X = 1.5 + 3
X = 4.5

Therefore X = 4.5 or 9/2 and Y = 1.5 or 3/2.
7 0
3 years ago
Read 2 more answers
Let X denote the voltage at the output of a microphone, and suppose that X has a uniform distribution on the interval from −1 to
Naya [18.7K]

Answer:

Step-by-step explanation:

Please kindly go through the attached file for a step by step approach to the question.

4 0
3 years ago
Examine the power 5^3<br> What is the base?
Keith_Richards [23]

Answer:

5

Step-by-step explanation:

the base is the original number which you perform an action on. in this scenario the action is 3. 5 is being cubed

7 0
3 years ago
PLEASE HURRY!! WILL GIVE BRAINLIEST
inysia [295]

Trigonometric ratios are useful in calculating the side lengths of a triangle.

  • The length of the zip line is 222.5 ft
  • The height where the ladder rests against the tree is 38.6 ft
  • The distance between the base of the ladder and that of the tree is 10.4 ft
  • The distance between the base of the tree and the spot where the zip line is anchored to the ground is 219.1 ft

<u>(a) Length, z</u>

First we calculate (h) using the following sine ratio

\mathbf{sin(75) = \frac{h}{40}}

Make h the subject

\mathbf{h = 40sin(75)}

Next, we calculate (z) using the following sine ratio

\mathbf{sin(10)= \frac{h}{z}}

Make z the subject

\mathbf{z= \frac{h}{sin(10)}}

Substitute \mathbf{h = 40sin(75)}

\mathbf{z= \frac{40sin(75)}{sin(10)}}

\mathbf{z= 222.5 ft}

Hence, the length of the zip line is 222.5 ft

<u>(b) The height, h</u>

In (a), we have

\mathbf{h = 40sin(75)}

Evaluate

\mathbf{h = 38.6}

Hence, the height where the ladder rests against the tree is 38.6 ft

<u />

<u>(c) The distance, b</u>

To do this, we make use of the following sine ratio

\mathbf{sin(15) = \frac{b}{40}}

Make b the subject

\mathbf{b = 40sin(15)}

\mathbf{b = 10.4}

Hence, the distance between the base of the ladder and that of the tree is 10.4 ft

<u />

<u>(d) Distance, B</u>

To do this, we make use of the following sine ratio

\mathbf{sin(80) = \frac{B}{z}}

Make B the subject

\mathbf{B = z\ sin(80)}

Substitute \mathbf{z= 222.5 ft}

\mathbf{B = 222.5\ sin(80)}

\mathbf{B = 219.1}

Hence, the distance between the base of the tree and the spot where the zip line is anchored to the ground is 219.1 ft

<u />

Read more about trigonometry ratios at:

brainly.com/question/24888715

8 0
3 years ago
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