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aliina [53]
2 years ago
13

Ingrid dug a trench 18/20 of a meter long. the next day she dug 9/20 of a meter more of the trench. what is a reasonable estimat

e of the total length of the trench?​
Mathematics
1 answer:
Alla [95]2 years ago
8 0
I got I got x^2+10x-100=1475
You might be interested in
Please help
Varvara68 [4.7K]

Answer:

$6 = cost of small box

$8 = cost of large box

Step-by-step explanation:

Let s = cost of small box

     l  = cost of large box

(1)    12s + 3l = 96            (2)     6s + 6l = 84

    Multiply by -2                    <u> -24s - 6l = -192</u>

                                                -18s   = - 108

                                                     s = $6 = cost of small box

      12(6) + 3l = 96

         72 + 3l = 96

                 3l = 24

                   l = $8 = cost of large box

7 0
2 years ago
I need Help with this pls
Ainat [17]

Answer: A

Step-by-step explanation:

4 0
2 years ago
Write 4 fractions that are equivalent to 6/8.
Talja [164]

Answer:

6/8 is an equivalent fraction of 3/4.

We can find some other equivalent fractions by multiplying the numerator and the denominator of the given fraction by the same number. Thus, the equivalent fractions of 3/4 are 6/8, 9/12, 12/16, and 15/20.

5 0
1 year ago
Read 2 more answers
3. Find x.<br> 8x - 37<br> 5x + 17<br><br><br> I really need help with this
sveticcg [70]

Answer: here is your steps Simplifying

8x + -37 = 5x + 17

Reorder the terms:

-37 + 8x = 5x + 17

Reorder the terms:

-37 + 8x = 17 + 5x

Solving

-37 + 8x = 17 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.

-37 + 8x + -5x = 17 + 5x + -5x

Combine like terms: 8x + -5x = 3x

-37 + 3x = 17 + 5x + -5x

Combine like terms: 5x + -5x = 0

-37 + 3x = 17 + 0

-37 + 3x = 17

Add '37' to each side of the equation.

-37 + 37 + 3x = 17 + 37

Combine like terms: -37 + 37 = 0

0 + 3x = 17 + 37

3x = 17 + 37

Combine like terms: 17 + 37 = 54

3x = 54

Divide each side by '3'.

x = 18

Simplifying

x = 18

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Multiply and simplify completely:<br> 3 /4.<br> 10/ 5
Tomtit [17]

Answer:

1\frac{1}{2}

Step-by-step explanation:

\frac{3}{4}  × \frac{10}{5}

Simplify = 1 \frac{1}{2}

Decimal Form = 1.5

7 0
2 years ago
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