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irinina [24]
3 years ago
15

Four points are labeled on the number line which point represents the value of -1/2

Mathematics
1 answer:
ololo11 [35]3 years ago
7 0
Don’t listen to the people who give you the links
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8_murik_8 [283]

Equilateral triangle. because all sides are equal.

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If x^2-13x+42=(x+A)(x+B), then find the value of 3A-B
tigry1 [53]

Answer:

- 11 or - 15

Step-by-step explanation:

Factorise

x² - 13x + 42

Consider the factors of the constant term (+ 42) which sum to give the coefficient of the x- term (- 13)

The factors are - 6 and - 7, since

- 6 × - 7 = + 42 and - 6 - 7 = - 13, thus

x² - 13x + 42 = (x - 6)(x - 7)

compare to (x + A)(x + B)

A = - 6, B = - 7

thus 3A - B = 3(- 6) - (- 7) = - 18 + 7 = - 11

The factors may also be expressed as (x - 7)(x - 6)

with A = - 7 and B = - 6, then

3A - B = 3(- 7) - (- 6) = - 21 + 6 = - 15

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3 years ago
the expression 8+2t can be used to find the total cost of admission and t amusement rides at a country fair. what statement is t
lara [203]

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2 years ago
A triangle is 10 ft tall and 18 ft wide what is the area of the triangle
erica [24]
The answer is 90 feet
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A cone has a height of 17 centimeters. What is its volume? Use n 3.14
skad [1K]

Answer:

444.83

Step-by-step explanation:

volume of a cone is given by the formula pi × r^2 × h × 1/3

by implementing the formula we get the answer which is 444.83

make sure to ask if you need any further guidance :)

8 0
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