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koban [17]
3 years ago
14

A box of chalk and 2 dusters cost $10. 3 boxes of chalk and 2 dusters cost $18.find the total cost of 1 box of chalk and 1 duste

r

Mathematics
2 answers:
weeeeeb [17]3 years ago
6 0
I hope this helps you

Lady_Fox [76]3 years ago
4 0
It should equal 7.00 hope this helped
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Natasha_Volkova [10]

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7 0
3 years ago
Is x2y2-4x3+12y a polynomial
masya89 [10]

I'm pretty sure it is.

If i'm wrong, I'm truly sorry

6 0
3 years ago
Solve the inequality 4t^2 ≤ 9t-2 please show steps and interval notation. thank you!​
FromTheMoon [43]

Answer: t\in [\dfrac{1}{4},2]

Step-by-step explanation:

Given

Inequality is 4t^2\leq9t-2

Taking variables one side

\Rightarrow 4t^2-9t+2\leq0\\\Rightarrow 4t^2-8t-t+2\leq0\\\Rightarrow 4t(t-2)-1(t-2)\leq0\\\Rightarrow (4t-1)(t-2)\leq0

Using wavy curve method

t\in [\dfrac{1}{4},2]

3 0
3 years ago
Are these ratios equivalent?
krek1111 [17]

Answer:

Yes

Step-by-step explanation:

If you multiple 1/3 by 3/3 you would get 3/18

8 0
4 years ago
-4r-8(r-6)=7(5r-1)+8
KATRIN_1 [288]

Answer:

r = 1

Step-by-step explanation:

In this question, we have to solve for the vallue of "r". We will use the distributive property shown below to ease our process.

Distributive Property:

a(b+c) = ab + ac

Now, lets solve this:

-4r-8(r-6)=7(5r-1)+8\\-4r-8r+48=35r-7+8\\-12r+48=35r+1\\48-1=35r+12r\\47=47r\\r=\frac{47}{47}\\r=1

As we have seen the value of r is "1"

6 0
4 years ago
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