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zysi [14]
3 years ago
6

Reciprocal of dash and dash remains same​

Mathematics
1 answer:
True [87]3 years ago
7 0

Answer:

-1 and 1

Step-by-step explanation:

Reciprocal means "one divided by...".

1/-1 = -1 and 1/1 = 1

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What is true about the data set?
Liono4ka [1.6K]

Answer: There is not enough data

Step-by-step explanation:

4 0
3 years ago
Write the equation of line with slope of -3, passing through (-1,7) . write in slope -intercept form.​
Irina-Kira [14]

Hello there, hope you are having a nice day.

We are given the slope of the line and a point on the line, so we can write the equation in point-slope form:

y-7=-3(x-(-1)

y-7=-3(x+1)

y-7=-3x-3

Now, we move -7 to the right side, using the opposite operation:

y=-3x-3+7

y=-3x+4

This is the equation of our line. Hope it helps.

Ask me if you have any queries.

~An emotional teen who helps others with joy

Good luck.

6 0
2 years ago
What is the solution to the equation k + 4 3/4 = 7?
Artemon [7]
Hi I don’t know if this is right but I got that k is equal to 4 I got that because if you do

4 times 3/4 you get 12/4 that is equal to 3.
Now you have k + 3=7 you move 3 to the other side and make it negative
K= 7-3
K=4

Hope this helped!
8 0
3 years ago
Read 2 more answers
There are 1,200 students at roosevelt middle school. There are 700 boys at the school. What percentage of the students at roosev
Marat540 [252]

Answer:

100x=256.25

Step-by-step explanation:

x/1025=25/100

What is 25% of 1025

that would be 1025×25

100x=256.25

3 0
3 years ago
Amanda and Mofor are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper and rolls o
Lostsunrise [7]

Given:

Amanda sold 13 rolls of plain wrapping paper and 12 rolls of holiday wrapping paper for a total of $208.

And,

Mofor sold 4 rolls of plain wrapping paper and 3 rolls of holiday wrapping paper for a total of $55.

Let, x be the cost of one roll of plain wrapping paper and y be the cost of one roll of holiday wrapping paper.

The equations are,

\begin{gathered} 13x+12y=208\ldots\ldots\ldots\text{.....}(1) \\ 4x+3y=55\ldots\ldots..\ldots\ldots\ldots\text{.}(2) \end{gathered}

Solve the equations,

\begin{gathered} 4x+3y=55 \\ 4x=55-3y \\ x=\frac{55-3y}{4} \\ \text{Put it in quation (1)} \\ 13x+12y=208 \\ 13(\frac{55-3y}{4})+12y=208 \\ \frac{715-39y}{4}+12y=208 \\ 715-39y+4(12y)=4(208) \\ 715-39y+48y=832 \\ 9y=832-715 \\ 9y=117 \\ y=\frac{117}{9} \\ y=13 \end{gathered}

Put the value of y in equation (2),

\begin{gathered} 4x+3y=55 \\ 4x+3(13)=55 \\ 4x+39=55 \\ 4x=55-39 \\ 4x=16 \\ x=\frac{16}{4} \\ x=4 \end{gathered}

Answer:

The cost of one roll of plain wrapping paper is x = $4.

The cost of one roll of holiday wrapping paper is y = $13.

8 0
1 year ago
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