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kozerog [31]
3 years ago
8

a hole in the ground is 3 feet deep a pile of dirt next to the hole is 3 feet high which list best uses the values -3,0, and 3 t

o describe these elevations
Mathematics
1 answer:
Tcecarenko [31]3 years ago
8 0

Answer:

wha

Step-by-step explanation:

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Can someone one help you will get that crown on you thing if it right
Tcecarenko [31]

Answer:

True

Step-by-step explanation:

When the value of the positive number is the same as the negative number, the sum is zero. The positive number and negative number cancel each other out or simplify. The sum of two negative integers is always negative. When two or more negative numbers are added together, the result or sum is always negative

6 0
3 years ago
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A manufacturer determines that the cost of making a computer component is ​$4.191919. Write the repeating decimal cost as a frac
tankabanditka [31]

Let x=4.191919\ldots. Then 100x=419.191919\ldots. So

100x-x=99x=415

\implies x=\dfrac{415}{99}=4+\dfrac{19}{99}

3 0
3 years ago
What IS the slope of a line that is perpendicular to the line y= --x + 5?
Black_prince [1.1K]
<h3>Slopes of perpendicular lines.</h3>

Let k: y = a₁x + b₁ and l: y = a₂x + b₂. Then

<h3>k ║ l ⇔ a₁ = a₂</h3><h3>k ⊥ l ⇔ a₁ · a₂ = -1</h3>

We have the line y = -x + 5 ⇒ a₁ = -1.

Therefore

a₂ · (-1) = -1

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<h2>a₂ = 1</h2>
3 0
2 years ago
There are two numbers which sum to 23. If one number is seven less than four times the other, find the numbers.
mart [117]

Answer:

Numbers are 6 and 17.

Step-by-step explanation:

Let the two numbers are 'a' and 'b'.

"Sum of these numbers = 23"

a + b = 23 --------(1)

"One number is 7 less than 4 times the other"

a = 4b - 7 ---------(2)

Substitute the value of 'a' in equation (1) from equation (2)

(4b - 7) + b = 23

5b - 7 = 23

5b = 23 + 7

5b = 30

b = 6

From equation (2),

a = 4b - 7

a = 4×6 - 7

a = 24 - 7

a = 17

Therefore, the numbers are 6 and 17.

8 0
3 years ago
What is 4 divided by 8
Anon25 [30]

Answer:

0.4 or 2

Step-by-step explanati

that easy

5 0
2 years ago
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