2 years ago

Can some one answer this

Mathematics

1 answer:

leonid [27]2 years ago

4 0

Option c ask 10 students wearing football jerseys the question asks which one would NOT

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Jack is 4 times as old as Lacy. 3 years from now the sum of their ages will be 71 . How old are they now?

Marizza181 [45]

Answer:

Lacy is 13 and Jack is 52

Step-by-step explanation:

In 3 years their ages will add up to 71 so you have to subtract 6 as there are two of them to get 65. Lacy's age is represented by x and since Jack is 4 times older his age is represented by 4x. So added together their age is 5x. So 5x=65. Then 65/5=13. So 13=x. So Lacy is 13 and Jack is 52 as 13x4 is 52.

3 0

2 years ago

P(n) = n + 1; Find p(6)

True [87]

Answer:

p(6) = 7

Step-by-step explanation:

p(n) = n + 1

Let n = 6

p(6) = 6 + 1

p(6) = 7

7 0

3 years ago

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If the product of roots of the equation given below is 4, then find the value of m.

Vikentia [17]

Answer:

m=-2

Step-by-step explanation:

As the product of the roots of a quadratic equation is c/a in ax^2+bx+c=0

here a=2, b=+8, c=-m^3

Given c/a=4

-m^3/2=4

-m^3=8

m^3= -8

m=-2.

8 0

2 years ago

Solve x2 – 8x = 3 by completing the square. Which is the solution set of the equation?

vazorg [7]

Answer:

x = 4 ± $\sqrt{19}$

Step-by-step explanation:

Given

x² - 8x = 3

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 4)x + 16 = 3 + 16

(x - 4)² = 19 ( take the square root of both sides )

x - 4 = ± $\sqrt{19}$ ( add 4 to both sides )

x = 4 ± $\sqrt{19}$

8 0

2 years ago

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Parallel to y=4x+2,y intercept at 4

seraphim [82]

Answer:

Step-by-step explanation:

The slope-intercept form:

$y=mx+b$

m - slope

b - y-intercept

Parallel lines have the same slope.

We have y = 4x + 2 → m = 4.

The slope of parallel line is m = 4 and the y-intercept b = 4.

Therefore we have the equation of a line:

$y=4x+4$

4 0

3 years ago