Kristine bought a vase that cost $5.99 and roses that cost $1.25 each.the total cost was $20.99.write and solve the equation to find how many roses Kristine bought.

Answers

Answer 1

Answer: 20.99=5.99+1.25r (r =roses)
-5.99 -5.99
15=1.25r divide by 1.25 since they multiply to get the r alone
1.25 1.25
12=r so she bought 12 roses
(to check if its right just plug in your answer 12 where your r is and you should get 15
;)

Answer 2

Answer:

Final answer:

Kristine bought 12 roses. This was found by subtracting the cost of the vase from the total spent and then dividing by the cost of one rose.

Explanation:

To find how many roses Kristine bought, we can set up the following equation:

$5.99 + $1.25x = $20.99

Here, x represents the number of roses. To solve for x, we can subtract $5.99 from both sides of the equation:

$1.25x = $20.99 - $5.99

$1.25x = $15

Finally, divide both sides of the equation by $1.25 to solve for x:

x = $15 ÷ $1.25

x = 12

Therefore, Kristine bought 12 roses.

Learn more about Equations here:

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Which monomials are perfect squares? Check all that apply. 6x2 9x8 16x9 25x12 36x16

Answers

Answer: $9x^8, 25x^(12) , 36x^(16)$

Step-by-step explanation:

Let's check all the monomials

$6x^2$

Here 6 is not square digit, hence this monomial is not a perfect square.

$9x^8=(3)^2(x^4)^2 =(3x^4)^2$

Here 9 is a square digit and the power of x i.e. 8 is multiple of 2 .

Hence, this monomial is a perfect square.

$16x^9$

Here 16 is a square digit but the power of x i.e.9 is not multiple of 2 .

Hence, this monomial is not a perfect square.

$25x^(12) =(5x^6)^2$

Here 25 is a square digit and the power of x i.e. 12 is multiple of 2 .

Hence, this monomial is a perfect square.

$36x^(16)=(6x^8)^2$

Here 36 is a square digit and the power of x i.e.16 is multiple of 2 .

Hence, this monomial is a perfect square.

Answer:

B, D, E

Step-by-step explanation:

I just did the unit test and got it right

Mia hired a moving company. The company charged \$500$500dollar sign, 500 for its services, and mia gives the movers a 16\%16%16, percent tip. How much does mia tip the movers?

Answers

Mia gives $80 as tip to the movers.

Explanation

The moving company charged $500 for its service.

Suppose, the amount of tip is $x$ dollar, which is 16% of the total charge.

So, the equation will be.....

$(x)/(500)*100\% = 16\%\n \n (x)/(5)=16\n \n x=5*16=80$

So, the amount of tip Mia gives the movers is $80

Answer:

$80

Step-by-step explanation: Khan Academy

Consider the following system of equations: y = −2x + 3
y = x − 5

Which description best describes the solution to the system of equations?

Lines y = −2x + 3 and y = 3x – 5 intersect the x-axis.

Line y = −2x + 3 intersects line y = x − 5.

Lines y = −2x + 3 and y = 3x − 5 intersect the y-axis.

Line y = −2x + 3 intersects the origin.

Answers

Answer:

Line $y=-2x+3$ intersects line $y=x-5$

Step-by-step explanation:

We are given that

$y=-2x+3$

$y=x-5$

Subtract one equation from other then we get

$-3x+8=0$

$3x=8$

$x=(8)/(3)$

Substitute the value of x in first equation then we get

$y=-2((8)/(3))+3=-(16)/(3)+3=-(-7)/(3)$

Hence, the solution $((8)/(3),-(7)/(3))$ is the intersection point of two line equations .

Answer:Line $y=-2x+3$ intersects line $y=x-5$

THE answer is B. Line y = −2x + 3 intersects line y = x − 5.

Explanation:

(I got it correct on the quiz)

PROOF:

There it is can someone help me it's a tricky one lol

Answers

15 minutes. 28-13=15

What is the sum of 2/5 and 2/4

Answers

Okay you want to find the common factor right? So then 2/5 fifth and 2/4 fourth have only 20 in common. So 2/5 times 4 is? 8/20 do not simplify so then 2/4 times five is 10/20 so then 8+10=18/20 simplify and you get 9/10.

What is the inequality of 0.3(0.3x+0.8)<-0.3

Answers

$0.3(0.3x+0.8)<-0.3\ /:0.3\n\n0.3(0.3x+0.8):0.3<-0.3:0.3\n\n0.3x+0.8<-1\n\n0.3x<-1-0.8\n\n0.3x<-1.8\ /:0.3\n\nx<- (1.8)/(0.3) \n\nx<- (18)/(3) \n\nx<-6\ \ \ \ \Leftrightarrow\ \ \ x\in(-\infty;\ -6)$

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