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rewona [7]
3 years ago
13

One set of markers cost x dollars. How much would set of makers and crayons cost together

Mathematics
1 answer:
inysia [295]3 years ago
3 0

Answer:

x+y

Step-by-step explanation:

Let's pretend the value of the crayon's is 'y'. The value of the markers is 'x'. If we add them together, we get x+y. This is because we do not know the value of each variable.

Hope this helps! Have a nice day <3

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How do I solve the following by using substitution? <br> Y=4x+9<br> 10x=18 -2y
sergejj [24]
Plug 4x=9 in for y:
10x=18-2(4x+9)
10x=18-8x-18
10x=-8x
18x=0
x=0

now plug 0 in for x:
y=4(0)+9
y=9

to check, plug x and y back into one of the equations to make sure they are right:

10(0)=18-2(9)
0=18-2*9
0=18-18
0=0
7 0
4 years ago
A linear function contains the following points: 0,-3 and 6,15.
9966 [12]

The slope of the linear function is 3 and the y-intercept is -3 if the linear function contains the following points: (0,-3) and (6,15)

<h3>What is the slope?</h3>

The ratio that y increase as x increases is the slope of a line. The slope of a line reflects how steep it is, but how much y increases as x increases. Anywhere on the line, the slope stays unchanged (the same).

\rm m =\dfrac{y_2-y_1}{x_2-x_1}

We have:

A linear function contains the following points: (0,-3) and (6,15)

The slope:

\rm m =\dfrac{15-(-3)}{6-0}

m = 18/6

m = 3

The equation of a line:

y = mx + c

Plug x = 0, y = -3

-3 = c

Thus, the slope of the linear function is 3 and the y-intercept is -3 if the linear function contains the following points: (0,-3) and (6,15)

Learn more about the slope here:

brainly.com/question/3605446

#SPJ1

4 0
2 years ago
Question 17(Multiple Choice Worth 2 points)
AlexFokin [52]
Answer:
Your answer is 13.5 .
4 0
3 years ago
Last year, a French restaurant used 394,070 ounces of cream. This year, due to a menu update, the restaurant used 275,849 ounces
ludmilkaskok [199]

Answer:

30%

Step-by-step explanation:

394,070-275,849= 118,221

118,221/394,070=0.3=30%

6 0
3 years ago
ALLL MY POINTS PLSSS HELPPPPP
Rama09 [41]

Rewrite the given quadratic equation in standard form: Kx 2 + 2x - 1 = 0  

Discriminant = 4 - 4(K)(-1) = 4 + 4K  

For the equation to have two real solutions, the discriminant has to be positive. Hence we need to solve the inequality 4 + 4K > 0.  

The solution set to the above inequality is given by: K > -1 for which the given equation has two real solutions.

3 0
3 years ago
Read 2 more answers
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