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Luba_88 [7]
3 years ago
13

Ax-bc=c solve for x

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
3 0
Were are the numbers
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If two lines are parallel which statement must be true? A.Their slopes are zero. B.Their slopes are negative reciprocals. C. The
stepan [7]

Answer:

D

Step-by-step explanation:

Parallel lines have the same gradient.

A line with a slope of zero is a horizontal line. Although two lines that have a slope of zero will result in two parallel lines, not all parallel lines are horizontal lines. Since the question is asking for which statement <u>must</u> be true, option A is incorrect.

If the slopes of two lines are negative reciprocals, they are perpendicular to each other. This is because the product of the gradients of 2 perpendicular lines is -1. Let the gradient of the first line be A and the other be B.

AB= -1

A =   - \frac{ 1}{B}

B =  -  \frac{1}{A}

Thus, option B is incorrect too.

Undefined slopes gives vertical lines. Like option A, if two lines have an undefined slope, they will be parallel to each other. However since parallel lines are nit necessarily vertical lines, option C is also incorrect.

4 0
2 years ago
Read 2 more answers
What is the value of 6^0
Tema [17]

Answer:

1

Step-by-step explanation:

Any base with an exponent of 0 equals to 1.

6^0 = 1

7 0
3 years ago
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Noah pays $25.20 for non-perishable food items to give to the local homeless shelter the price includes a 5% sales tax.
Alexandra [31]

The question is incomplete:

Noah pays $25.20 for non perishable food items to give to the local homeless shelter the price includes a 5% sales of tax. what is the price before tax of the food items?

Answer:

$24

Step-by-step explanation:

From the information you have that the price of items is $25.20 and it includes a 5% tax. From this, you can write the following:

x+0.05x=25.20

Then, you can isolate x to find the price before tax:

1.05x=25.20

x=25.20/1.05

x= 24

According to this, the price before tax of the food items is $24.

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Witch of the following are one-dimensionl figures
snow_tiger [21]
Where is the figure pls attach it by using the paper clip icon

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3 years ago
Pls help due in 10 mins
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