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3 years ago

A system of equations can never have

Mathematics

2 answers:

Oduvanchick [21]3 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]3 years ago

4 0

More variables than equations

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Geometry question, any help is appreciated

kodGreya [7K]

Answer:

Hence, the ratios are given by 5:7, 25:49, 125:343.

Step-by-step explanation:

We are given two spheres such that:

Volume of small sphere $V_{s}$ = 250 $yd^{3}$

Volume of large sphere $V_{l}$ = 686 $yd^{3}$ .

Then the ratio of volume = 250 : 686 = 125 : 343.

Since, the volume of a sphere = $\frac{4 \pi \times r^{3}}{3}$ , this gives us that the ratio of the radius = ∛ $V_{s}$ : ∛ $V_{l}$

i.e. The ratio of the radius = ∛125 : ∛343 = 5 : 7.

Further, as the surface area of a sphere = $4 \pi \times r^{2}$ , this gives us that the ratioof surface area = $r_{s} ^{2}$ : $r_{l} ^{2}$

i.e The ratio of the surface area = $5^{2}$ : $7^{2}$ = 25 : 49

So, the ratio of the surface areas = 25 : 49.

Hence, the ratios are given by 5:7, 25:49, 125:343.

4 0

3 years ago

Read 2 more answers

Corinne has a job selling magazines. She earns $7.50 per hour plus 20% of the total amount of her sales. She also gets an allowa

ra1l [238]

Earnings=20% of sales+7.5h+40

coeficinets are 7.5 and 0.2
vraiables are h and s
constant is 40

B. if h=25 and s=30 input,
7.5*25+0.2*300+40=$287.50

C
new equation is 9h+0.2s+40
coefienct woud be 9 and 0.2
variable is h and s
constant is 4

7 0

3 years ago

Given f(x)=-x+7 and g(x)=f(x+4) write a function for function g

finlep [7]

$\begin{array}{llrlll}f(x) = -x +7&~\hspace{10em} &f\left( \boxed{x+4} \right) &=& \boxed{-x+4}+7\\\\&&g(x) &=& -x+11\end{array}$

6 0

3 years ago

What is the ? in this pattern <br><br><br> 3, -6, 12, 4, 20, ?

SCORPION-xisa [38]

Is skipped a number and that's not good

5 0

3 years ago

RIGHT ANSWERS ONLY I REALLY NEED TO PASS IF YOUR FAST AND CORRECT ILL GIVE YOU BRAINEST!!!

malfutka [58]

Answer:

1st option

Step-by-step explanation:

The domain and range are all real numbers , that is

domain { x | x ∈ R }

range { y | y ∈ R }

6 0

3 years ago