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2 years ago

I am an odd number. Take away one letter and I become even. What number am I?

Mathematics

1 answer:

Lady bird [3.3K]2 years ago

5 0

Answer:

seven

Step-by-step explanation:

Lol thxx for the points

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(PLEASE HELP ASAP)

lesya [120]

Answer:

Slope: -2
equation: y = -2x +5

Step-by-step explanation:

The given point is the y-intercept of the line, so the slope-intercept form of the equation of a line can be used:

y = mx + b . . . . for slope m and y-intercept b

Here, you have the slope given as ...

m = -2

y-intercept = 5

so the equation of the line is ...

y = -2x +5

_____

The y-intercept is the value of y when x=0. The point (x, y) = (0, 5) tells you the y-intercept is 5.

7 0

2 years ago

Use the discriminant to find the number and type of solution for x^2+6x=-9

likoan [24]

Answer:

D = 0; one real root

Step-by-step explanation:

Discriminant Formula:

$\displaystyle \large{D = {b}^{2} - 4ac}$

First, arrange the expression or equation in ax^2+bx+c = 0.

$\displaystyle \large{ {x}^{2} + 6x = - 9}$

Add both sides by 9.

$\displaystyle \large{ {x}^{2} + 6x + 9 = - 9 + 9} \\ \displaystyle \large{ {x}^{2} + 6x + 9 = 0}$

Compare the coefficients so we can substitute in the formula.

$\displaystyle \large{a {x}^{2} + bx + c = {x}^{2} + 6x + 9 }$

a = 1
b = 6
c = 9

Substitute a = 1, b = 6 and c = 9 in the formula.

$\displaystyle \large{D = {6}^{2} - 4(1)(9)} \\ \displaystyle \large{D = 36 - 36} \\ \displaystyle \large{D = 0}$

Since D = 0, the type of solution is one real root.

6 0

2 years ago

Find the missing angles

Masteriza [31]

Answer:

b = 34°

Step-by-step explanation:

b + 115° + 31° = 180°

b + 146° = 180

b = 180° - 146°

b = 34°

3 0

2 years ago

Read 2 more answers

math question: i write 17 text messages to friends each week for x weeks in a row. write an expression for total members

8090 [49]

Answer:

$17x = y$

Step-by-step explanation:

Since we know that you write 17 text messages a week. 17 will be our constant number, now then after you said for x weeks.

Meaning that x would be our variable cause we can put an input of any number, then put it next to 17 because that is how many times you text a week.

17x = y

17 (how many times you text per week) x (how many weeks) = y (texts in total)

6 0

3 years ago

Find the area of each triangle

NARA [144]

Where is the triangle I cant help if I don't have the triangle

6 0

3 years ago