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tia_tia [17]
3 years ago
14

For the equation, y=mx-3, which passes through the point (7,-4), what is the value of m? Need Help!! Thanks!!

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
6 0
Your answer is m=-1/7<span> or </span><span>-0.143. All you need to do is add 3 by -4. You then get -1.</span>
hram777 [196]3 years ago
5 0
The answer would be m = -1/7 or -0.143

Since we are given the value of b (-3) and a coordinate (7, -4), All you have to do is plug the x-coordinate into x and the y-coordinate into y; simplifying the equation to (-4 = m*7-3). Using simple algebra, find m by adding 3 to -4. Finally, divide that by 7 to get your final answer, (-1/7).
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A five-sided solid has the numbers 1, 2, 3, 4, and 5. What is the probability of rolling two five-sided number solids and gettin
Klio2033 [76]
We assume the probability on each side is equally probable with probability 1/5.
sum=4 has outcomes:{1,4; 2,3; 3,2; 4,1}  4 possible outcomes
sum=8 has outcomes:{3,5; 4,4; 5,3} 3 possible outcomes.
Total possible outcomes = 5*5=25
there probability of rolling a sum of 4 or 8, by the law of addition, equals
4/25+3/25=7/25

Note: a regular (i.e. fully symmetric) five-sided solid does not exist, so there has to be asymmetry among the probabilities of the five possible outcomes.  In addition, it does not have a "top" face, so that makes rolling a five-sided solid a little more difficult to visualize.
7 0
3 years ago
A quadrilateral WXYZ contains wxy where measure of wxy=92 degrees. Once rotated 270° about the origin and translated 2 units up,
Marianna [84]

Answer:

C. 92 degrees

Step-by-step explanation:

Given that the \angle{wxy}=92° which is one of the angles of the quadrilateral WXYZ

The quadrilateral is first rotated by 270° about the origin and then translated 2 units up, the new position of the quadrilateral is W'X'Y'Z'.

The shape of the quadrilateral is remained unchanged due to rotation and translation, so all the angles of the final quadrilateral W'X'Y'Z' is the same as the angles of the given quadrilateral WXYZ.

So,\angle{w'x'y'}= \angle{wxy}

By using the given value,

\angle{w'x'y'}= 92°

Hence, option (C) is correct.

8 0
3 years ago
What is the value of k? <br> -k+78=98-20
Jlenok [28]

Answer:

k=0

Step-by-step explanation:

6 0
3 years ago
A chef planning for a large banquet thinks that 2 out of every 5 dinner guest will order his soup appetizer he expects 800 guest
Masteriza [31]

Answer:

320 cups of soup

Step-by-step explanation:

2/5= x/800

2/5 =.04  

800*.04 =320       x=320

2/5 = 320/800

2/5 =0.4  is equivalent to 320/800=0.4

6 0
3 years ago
4. The price of a sweater is $5 less than the price of the shirt. If four sweaters and
Anon25 [30]

Answer:

Form an equation:

let x be the price of a shirt

Then, the price of a sweater would be x - 5

So you would have:

4(x - 5) + 3x = 200

simplify

4x - 20 + 3x = 200

7x - 20 = 200

add 20 to both sides

7x = 220

divide both sides by 7

x = about 31.43

That means the cost of the sweater would be 31.43 - 5 = 26.43

4 0
3 years ago
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