2 years ago

Use the slope to determine if lines AB and CD are parallel, perpendicular, or neither

Mathematics

1 answer:

ycow [4]2 years ago

7 0

The slope of B is Q maybe

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There are 165 laptops and desktop computers in a lab. There are 9 more laptops than desktop computers. What is the total number

Alina [70]

Answer:

Step-by-step explanation:

Let d = number of desktops.

Let a = number of laptops.

a + d = 165

a = d + 9

d = a - 9

a + d = 165

a + a - 9 = 165

2a - 9 = 165

2a = 174

a = 87

Answer: 87

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2 years ago

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in a mix of red and white pebbles in a bag in the ratio of 3 to 7. Find the probability that if 3 pebbles are chosen from the mi

Kay [80]

The probability is 3 to 7.

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3 years ago

List these from least to greatest π2, 12, √80

Evgesh-ka [11]

Answer:

π2,√80,12

Step-by-step explanation:

π2= 6.28

√80= about 8

12=12

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2 years ago

Determine if the triangles are congruent. If so, write a congruence statement. Explain

ss7ja [257]

Answer: Yes, there are congruent.

Step-by-step explanation: A triangle is congruent if the same shape and size. In this figure, they're congruent.

<h2>I hope this helps you! </h2>

5 0

2 years ago

Simplify the expression by arranging the steps in sequence, based on the order of operations.

lubasha [3.4K]

Answer:

$\displaystyle 6x - 5$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Distributive Property

Algebra I

Terms/Coefficients/Degrees

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{1}{6}(30x + 24) - \frac{1}{7}(63 - 7x)$

Step 2: Simplify

Distribute: $\displaystyle \frac{1}{6}(30x) + \frac{1}{6}(24) - \frac{1}{7}(63) - \frac{1}{7}(-7x)$
Multiply: $\displaystyle 5x + 4 - 9 + x$
Rearrange: $\displaystyle 5x + x + 4 - 9$
Combine like terms: $\displaystyle 6x - 5$

8 0

2 years ago