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notka56 [123]
3 years ago
14

Zach is deciding how he is going to spend his day. He can go to the library or to the mall, he can walk or bike, and he can go a

lone or with a friend.
Select from the drop-down menus to correctly complete the list.
library, walk, alone

library, (Choose: mall, walk, bike, alone) with a friend

library, bike, alone

library, bike, with a friend

mall, walk, alone

mall, walk, with a friend

mall, bike, alone

mall, (Choose: Library, walk, bike, alone) with a friend

Thanks to anyone who reaches out to help <3
Mathematics
1 answer:
galina1969 [7]3 years ago
7 0
First answer is Walk

Second awswer is bike
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Find the equation in standard form of the line passing through the points (2,-3) and (4,2)
Sonja [21]

The equation of the line passing through the points (x_1,y_1) and (x_2,y_2) is

\frac{x-x_1}{y-y_1} =\frac{x_2-x_1}{y_2-y_1}. Here \frac{y_1-y_1}{x_2-x_1} is the slope of the line.

Substituting numerical values,

\frac{x-2}{y+3} =\frac{4-2}{2+3} \\ \frac{x-2}{y+3} =\frac{2}{5} \\ 5x-10=2y+6\\ 5x-2y-16=0

The equation of the line in standard form is 5x-2y-16=0.

5 0
4 years ago
Given the equation 2x2 - 5x + 7 = 0. Find the discriminant. Describe the roots and explain your reasoning.
White raven [17]
The discriminant of a quadratic equation is a parameter that is used to determine the nature of the roots of the equation. The discriminant can be determined by b2- 4ac. In this case, upon substitution, 25- 4*2*7 = -31 in which the roots are negative and iimaginary. 
8 0
4 years ago
(-9, 19), (10, 16)<br> Find the slope of the line through each pair of points
dolphi86 [110]

Answer:

-3/19

Step-by-step explanation:

slope = rise/run = (y1 - y2) / (x1 - x2)

s = (19 - 16) / (-9 -10)

s = 3/-19 = -3/19

4 0
3 years ago
Daniel has $100. After he buys 4 pencils and 3 pens, he has $7 left. If each pencil costs $3 more than each pen, is $25 enough t
amm1812

Answer:  Yes, Daniel has enough money to buy 2 pens.

=========================================================

Explanation:

x = cost of one pencil

y = cost of one pen

4x = cost of 4 pencils

3y = cost of 3 pens

4x+3y = cost of 4 pencils and 3 pens

100 - (4x+3y) = amount Daniel has left = 7 dollars

100-(4x+3y) = 7 is one equation we can form

Another equation we can form is x = y+3 because "each pencil costs $3 more than each pen".

Let's plug that into the first equation and solve for y.

100-(4x+3y) = 7

100-(4(y+3)+3y) = 7

100 - (4y+12+3y) = 7

100 - (7y+12) = 7

100 - 7y - 12 = 7

-7y + 88 = 7

-7y = 7-88

-7y = -81

y = -81/(-7)

y = 11.57 is the cost of one pen

2y = 2*11.57 = 23.14 is the cost of two pens.

Since this is less than $25, this means he has enough to buy two pens. This assumes that we either ignore tax, or the tax is already included in the listed prices.

5 0
2 years ago
What is likely to have a mass of 1 gram
Gre4nikov [31]

Answer:

paperclip, thumbtack, or safety pin.

Step-by-step explanation:

I measured some.

4 0
3 years ago
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