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pantera1 [17]
3 years ago
8

There are 15 counters. One-third of the counters are yellow . How many counters are yellow?

Mathematics
1 answer:
nlexa [21]3 years ago
3 0

Answer:

5

Step-by-step explanation:

15 counters/3groups=5 counters per group

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A house was purchased for $89,000. After 6 years the value of the house was $101,000. Find a linear equation that models the val
mamaluj [8]

Answer:  y = 2000x + 89000

Step-by-step explanation:

Given that;

initial purchase amount = $89,000

price after 6 years = $ 101,000

years = 6

now

slope = ( 101000 - 89000) / 6

slope = 12000 / 6

slope = 2000

therefore the linear equation that models the value of the house after x years will be;

y = 2000x + 89000

7 0
3 years ago
PLEASE HELP, i will give you brainliest
evablogger [386]

Answer:

55m²

Step-by-step explanation:

So for the two small triangles, I did 10x3 =30  and divided by 2 to get 15

For the two big triangles, did 10x8 and got 80/2 =40

To find area of a triangle, it's: base x height, then divided by 2.

(Yes that's not a kite, but I cut it in half)

4 0
3 years ago
Eric purchased three music CDs and a sweatshirt from a band's online store and received a 20% discount. He paid $100 for his pur
swat32

The <em>correct answers</em> are:


B) $25; and

D) $50.


Explanation:


Eric got a 20% discount. This means he paid 100%-20% = 80% of the retail value.


Let C represent the cost of CDs and S represent the cost of sweatshirts. For Eric's purchase, we have the equation:

0.8(3C+S) = 100


Using the distributive property, we have

0.8(3C) + 0.8(S) = 100

2.4C + 0.8S = 100


Neil got a 40% discount; this means he paid 100%-40% = 60% of the retail value. We have the following equation for him:

0.6(4C+2S) = 120


Using the distributive property, we have:

0.6(4C)+0.6(2S) = 120

2.4C + 1.2S = 120


This gives us the system:

\left \{ {{2.4C+0.8S=100} \atop {2.4C+1.2S=120}} \right.


Since the coefficient of C is the same in each equation, we will eliminate this variable. We do this by subtracting the equations:


\left \{ {{2.4C+0.8S=100} \atop {(2.4C+1.2S=120)}} \right.  \\ \\-0.4S=-20


We divide both sides by -0.4:

-0.4S/-0.4 = -20/-0.4

S = 50


Each sweatshirt is $50.


We will substitute this into the first equation:

2.4C+0.8(50) = 100

2.4C + 40 = 100


Subtract 40 from each side:

2.4C+40-40 = 100-40

2.4C = 60


Divide each side by 2.4:

2.4C/2.4 = 60/2.4

C = 25


Each CD is $25.

8 0
3 years ago
Read 2 more answers
To find an estimate for  π I could...
11111nata11111 [884]

Answer:

You could use 3.14 or 22/7

Step-by-step explanation:

It should be what you're asking, if not, tell me and I'll give you another answer.

:)

6 0
3 years ago
Read 2 more answers
PLEASE HELP I NEED HELPPP.
AnnZ [28]

Answer:

A

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab} and

\sqrt{-1} = i

Given

\sqrt{-75}

= \sqrt{25(3)(-1)}

= \sqrt{25} × \sqrt{3} × \sqrt{-1}

= 5 × \sqrt{3} × i

= 5i\sqrt{3} → A

3 0
3 years ago
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