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zlopas [31]
3 years ago
7

Valuate the expression. Give your answer as a fraction in simplest form. 2/5 X 0.22

Mathematics
1 answer:
lesya692 [45]3 years ago
4 0

2/5 * 10 = 20/50

0.22 as a fraction 11/50

20/50 is the same as 40/100

11/50 is the same as 22/100

multiply

880/10000

which is 22/250

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1. Find the lengths of the diagonals of rectangle QRST , Given that QS = 6X+3 and RT = 8X-1
Greeley [361]

Answer:

1. QS and RT= 15

2. Im not positive but I think it's TQ=18

Step-by-step explanation:

For question 1, you would do 6x+3=8x-1 and solve to get the result of x=2

Then you'd plug in 6 and get QS and RT=15

For the second one I am unsure because I wasn't positive how to solve but it seems like the side RQ might be 1/2 of TQ. Sorry if thats wrong I can try and help more if you need

5 0
3 years ago
Read 2 more answers
Z OO
SIZIF [17.4K]

Answer:

Step-by-step explanation:

A. Distance(16)= 30

5 0
3 years ago
Pls help me on this i don't know what to do ​
Katarina [22]

Answer:

\text{A. The zeroes are 8 and -4, because }y=(x-8)(x+4)

Step-by-step explanation:

x^2-4x-32=0,\\(x-8)(x+4)=0,\\\begin{cases}x-8=0, x=\boxed{8},\\x+4=0, x=\boxed{-4}\end{cases}

8 0
4 years ago
Find an equation for the line with the given properties. Express the equation in? slope-intercept form. Slope? = 6 ?; containing
Firlakuza [10]

Answer:

y=6x+7

Step-by-step explanation:

We can write the equation of a line in 3 different forms including slope intercept, point-slope, and standard depending on the information we have. We have a point given and a slope from the equation. We will chose point-slope since we have a point and can find the slope.  

Point slope:y-y_1=m(x-x_1)

We will substitute m=6 and x_1=-1\\y_1=1.

y-1=6 (x-(-1))

We can simplify and convert to slope intercept form.

y-1=6 (x-(-1))\\y-1=6(x+1)\\y-1=6x+6\\y=6x+6+1\\y=6x+7


3 0
3 years ago
Simplify each<br> expression.<br> 5x – 27 + 4 - 12x
alex41 [277]

5x – 27 + 4 - 12x

5x-12x-27+4 ( combing like terms)

-7x-23

Answer: -7x-23 or -23-7x

5 0
4 years ago
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