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2 years ago

PLEASE HELP 15 POINTS please give right answer

Mathematics

1 answer:

BlackZzzverrR [31]2 years ago

3 0

Answer:

pretty sure it's D........

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Find the two straight lines represented by x² + 5xy - 6y² = 0

Andreyy89

By factorizing, we have

$x^2 + 5xy - 6y^2 = (x - y) (x + 6y) = 0$

so that

$x - y = 0 \implies \boxed{y = x}$

$x + 6y = 0 \implies \boxed{y = -\dfrac x6}$

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1 year ago

What is the ratio 14 : 56 in its simplest form?

elena55 [62]

1/4 is the simpliest

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3 years ago

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A frequency distribution for the class level of students in an introductory statistics course is shown. Two students are randoml

Andrews [41]

Answer: $\dfrac{21}{410}$ .

Step-by-step explanation:

Formula : Probability = $\dfrac{\text{favorable outcomes}}{\text{Total outcomes}}$

From the given frequency distribution for the class level of students in an introductory statistics course, we have

Number of Junior= 12

Number of Senior = 7

Total students = 6+16+12+7 = 41

Probability that the first student obtained is a junior = $\dfrac{12}{41}$

Probability that the the second student obtained is a senior. $=\dfrac{7}{41-1}=\dfrac{7}{40}$

Then, the probability that the first student obtained is a junior and the second a senior would be $\dfrac{12}{41}\times\dfrac{7}{40}=\dfrac{21}{410}$

Hence, the required probability is $\dfrac{21}{410}$ .

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2 years ago

Which of the following best describes a regular tessellation?A. A tessellation that uses only one type of regular polygonB. A te

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Answer: A. A tessellation that uses only one type of regular polygon

Step-by-step explanation:

When we cover a surface with a pattern of a flat geometric shapes such that there should have no overlaps or gaps, then the surface is called a tessellation.

A regular tessellation is tessellation made up by using nly one type of regular polygon. These are made up of entirely congruent regular polygons all that joining vertex to vertex

Hence, A is the correct option.

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2 years ago

Yochanan walked from home to the bus stop at an average speed pf 5 mph.he immediately got on his school bus and traveled at an a

Irina18 [472]

Yochanan walked 5 miles.

If you solve the equations, you will get 1 for x and 0.5 for y. You can do this will substitution or the elimination method.

If he walked for 1 hour at a speed of 5 miles per hour, then he walked for 5 miles.

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3 years ago

Read 2 more answers

PLEASE HELP 15 POINTS please give right answer​

PLEASE HELP 15 POINTS please give right answer