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3 years ago

I don’t know how todo this correction .

Mathematics

1 answer:

blagie [28]3 years ago

5 0

24/6

24 can be divided by 6. 6 * 4 = 24.

24/6 = 4/1 = 4

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Answer below please!

poizon [28]

Answer:

$x=-\frac{11}{18}$

Step-by-step explanation:

$-1\frac{7}{9}=(-2\frac{5}{6} + \frac{1}{3})x$

Solve parenthesis first

$-2\frac{5}{6} + 1/3$

Find a common denominator.

The common denominator would be 6.

Because the first expression already has a denominator of 6 it stays the same.

$\frac{1}{3} = \frac{2}{6}$

$-2\frac{5}{6} + \frac{2}{6} = -2\frac{7}{6} = -1\frac{1}{6}$

Put that into the original equation.

$-1\frac{7}{9}=(-1\frac{1}{6} )x$

Isolate the x. Add $1\frac{1}{6}$ to each side.

$-1\frac{7}{9}+ 1\frac{1}{6}=x$

Find a common denominator.

we can use 18 as the common denominator.

$-1\frac{7}{9}+ 1\frac{1}{6}= -1 \frac{14}{18} +1\frac{3}{18}= x$

Add.

$-\frac{11}{18} =x$

We cannot simplify so our answer stays the same.

6 0

2 years ago

Peter is making green paint by mixing blue and yellow paint in a cuboid container, shown below. The container has width of 30cm

dusya [7]

Answer: height = 17.5cm

Step-by-step explanation: Peter mixes blue and yellow paint in the ratio 2:3, which means:

$\frac{2}{3} = \frac{8.4}{x}$

$x = \frac{8.4*3}{2}$

x = 12.6L

The container is full with the two paints, so total volume:

V = 12.6 + 8.4

V = 21L

Knowing that 1L = 1dm³ and sides of cuboid is measure in cm:

V = 21dm³ = 21000cm³

Volume of a cuboid is calculated as:

V = width*length*height

Height of the container is

height = $\frac{V}{width*length}$

height = $\frac{21000}{30*40}$

height = 17.5cm

The height of the container is 17.5cm.

4 0

3 years ago

13 times an unknown number added to 72 equals -23 times the unknown number.what is the solution to the sentence ?

Alika [10]

Let the unknown number be x
13x+72= -23x
13x+23x= -72
36x= -72
x= -2

6 0

4 years ago

Read 2 more answers

Evaluate each expression if a=4, b=6 and c=3<br><br> 5b-6c

iragen [17]

Answer:

it is 12

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Five of every six gifts were wrapped in blue paper. If there are 25 gifts wrapped in blue paper, how many gifts are there altoge

melamori03 [73]

Answer:

There are 30 gifts altogether.

3 0

3 years ago