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Alja [10]
3 years ago
7

Math help please Show work if possible

Mathematics
2 answers:
a_sh-v [17]3 years ago
5 0

Answer:

a) t = -7

b) f = 12

c) k = -13

Step-by-step explanation:

a) t + 11 = 4

t = -7

b) f = 8+4

f = 12

c) 5 = 18 + k

-13 = k

max2010maxim [7]3 years ago
5 0

Answer:

A= -7

B= 12

C= -13

Step-by-step explanation:

This is how I do it

A) Subtract 4 from each side, and when you do that you get 7=-t which makes the answer -7.

B) Add 8 to both sides and you get f=12.

C) Subtract 5 from each side, and when you do that you get -k=13 which makes the answer -13.

I hope this helps, and have a great day! :)

Also if you need more of an explanation I can help!

                                                     

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10 3/9- 10 2/5 Im to lazy to do it please help me out.
coldgirl [10]

Answer:

\boxed{ \ -  \frac{3}{45} }

Step-by-step explanation:

10 3/9 - 10 2/5

we need to convert mixed fractions to improper fractions

10 \frac{3}{9}  =  \frac{10 \times 9 + 3}{9}  =  \frac{93}{9}

10 \frac{2}{5}  =  \frac{10 \times 5 + 2}{5}  =  \frac{52}{5}

Now, we have 93/9 - 52/5

We need to equate the denominators, before subtracting them.

\frac{93}{9}  -  \frac{52}{5}  =  \frac{93 \times 5}{45}  -  \frac{52 \times 9}{45}

\frac{465}{45}  -  \frac{468}{45}

\frac{ - 3}{45}

\boxed{ -  \frac{3}{45} }

The result of 10 3/9- 10 2/5 is - 3/45

8 0
2 years ago
The house has a form of a rectangle with one side two and a half times as long as the other side. a Construct the expression for
Nookie1986 [14]

Answer: A=2.5x^{2}


Step-by-step explanation:

1. Let's write the following formula for calculate the area of a rectangle:

A=yx

Where y is the lenght (the longer side) and x is the width (the shorter side).

2. You know that the length is 2.5 times as long as the other side, which indicates a multiplication. Then:

y=2.5x

3. So, you must substitute y into the equation for calculate the area of the rectangle and then you must simplify.

4. Then, you obtain the following expression:

A=(2.5x)(x)\\A=2.5x^{2}


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Answer:

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0.09*1500= $135

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This means that in order to find how much will have ben contributed after 4 years , you multiply $1635 by 4;

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3 0
3 years ago
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Answer:

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