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Vlad [161]
2 years ago
14

A system of equations can never have

Mathematics
2 answers:
Oduvanchick [21]2 years ago
6 0

Answer:

This shows that a system of equations may have one solution (a specific x,y-point), no solution at all,

explanation: solution (being all the solutions to the equation). You will never have a system with two or three solutions; it will always be one, none, or infinitely-many.

miskamm [114]2 years ago
4 0
More variables than equations
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The temperatures at several times of the day are shown in the coordinate plane below. The x-axis represents the number of hours
Drupady [299]

Question:

The temperatures at several times of the day are shown in the coordinate plane below. The x-axis represents the number of hours before or afternoon. For example, -1 would represent 11 a.m. The y-axis represents the temperature in degrees Celsius.At 5 p.m, the temperature is halfway between the temperature at 2 p.m. and the temperature at 8 p.m.

What coordinates represent the temperature at 5 p.m.?

Answer:

(5, 2)

=> At 5pm, the temperature is at 2⁰C

Step-by-step Explanation:

Coordinates of any point on a cartesian/coordinate plane is represented by (x, y). Where x is the number at the point on z-axis, while y is the number at the same point on the y-axis.

From the diagram of the coordinate plane attached below, we can simply find out what coordinates represent the temperature at 5pm.

==> Given that the temperature at 5pm is half way between the temperature at 2pm (y=7) and temperature at 8pm (y=-3), the point that is being referred to = [7+(-3)] ÷ 2 = ⁴/2 = 2 (i.e. 2 on the y axis representing temperature)

*The position of the point is indicated in the second picture that is attached below.

At that position of the point, we have 2 as the coordinate for the y axis representing temperature, and at that same position, we have 5 on the x-axis representing the number of hours.

Therefore, coordinates of the point (x, y) representing 5p.m = (5, 2)

==> At 5pm, the temperature is at 2⁰C

6 0
3 years ago
Read 2 more answers
Which of the following is the correct expanded form for the series below?
Daniel [21]

Answer: Option A is correct  that is 1 +1+\frac{1}{2} +\frac{1}{6}

Explanation:

we will substitute the values of n in given expression

\sum_{n=1}^{4}\frac{n}{n!}

when substituting n=1 we get  in \sum_{n=1}^{4}\frac{n}{n!}=\frac{1}{1!}

when n=2  we get \frac{2}{2!}

when n =3 we get \frac{3}{3!}=\frac{3}{6}=\frac{1}{2} ;3 factorial that is 3! = 3 *2*1 = 6

when n=4 we get  \frac{4}{4!}=\frac{4}{24}=\frac{1}{6};4! = 4*3*2*1 = 24

Note: factorial means the product of the terms getting multiplied  till 1

suppose n! will be equal to n(n-1)(n-2)(n-3).......1




3 0
3 years ago
Elena needs to find a table that will fit three cube-shaped cases, each containing a frog.
NikAS [45]

Answer:You could not use a table with a top that is 2 1/2 feet long and 1 1/2 feet wide

Step-by-step explanation:

The complete question is

Elena needs to find a table that will fit three cube-shaped cases, each containing a frog.If the volume of each case is 1,000 cubic inches, could she use a table with a top that measures 2 1/2 feet long and 1 1/2 feet wide?Explain

step 1

Find the length side of the cube-shaped case

we know that

The volume of the cube is equal to

where

b is the length side of the cube

we have

substitute

solve for b

step 2

Convert feet to inches

we have

step 3

Compare the dimensions of the table with the dimensions of the cube-shaped case

30 > 10

The length of the table is greater than the length side of the cube

18> 10

The width of the table is greater than the length side of the cube

therefore

You could not use a table with a top that is 2 1/2 feet long and 1 1/2 feet wide

5 0
3 years ago
Which expression is equivalent to 4/9 x 2
Slav-nsk [51]

Answer:

4 × 2/9

Im sorry if I'm wrong

5 0
3 years ago
Read 2 more answers
Order these numbers from least to greatest. 7.7 , −71517 , 49 , 18724
Veseljchak [2.6K]
To answer the question above, it must be noted that for negative numbers, the higher the numerical value without considering the negative sign, the smaller is the true value of the number. The order from least to greatest of the numbers is: -71517, 7.7, 49, and 18724.
4 0
3 years ago
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