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tatiyna
2 years ago
6

My teacher is asking for me to do the math of 5.05 + = 13.25, then convert to a fraction. I don't know how to do that.

Mathematics
1 answer:
Alenkasestr [34]2 years ago
3 0

Answer:

5.05 + x=13.25

x=8.20

=82/10

41/5

Step-by-step explanation:

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Solve and graph the absolute value inequality: |2x + 4| > 14.
Aloiza [94]

Answer:

"number line with open circles on negative 9 and 5, shading going in the opposite directions."

Step-by-step explanation:

Your inequality doesn't include an equal sign so there will be no closed holes. It will only be open holes.

|u|>14 means that the number u has to be greater than 14 or less than -14.  These numbers I describe just now all have a distance greater than 14 from 0.

So |u|>14 implies u>14 or u<-14.

But we are solving |2x+4|>14 so this implies we have 2x+4>14 or 2x+4<-14.

2x+4>14

Subtract 4 on both sides:

2x    >10

Divide both sides by 2:

x      >5

2x+4<-14

Subtract 4 on both sides:

2x    <-18

Divide both sides by 2:

x      <-9

So our solution is x>5 or x<-9.

Graphing!

~~~~~~~O                                         O~~~~~~~~

-----------(-9)---------------------------------(5)---------------

So we shaded to the right of 5 because our inequality says x is bigger than 5.

We shaded to the left of -9 because our inequality says x is less than -9.

4 0
3 years ago
A rectangular box has dimensions 0.045m, 0.034m, 0.01m. Calculate the volume of the box in cm³:
sergiy2304 [10]

Answer:

15.75 {cm}^{3}

Step-by-step explanation:

Convert m to cm,

0.045m =4.5cm

0.034m = 3.5cm

0.01m = 1cm

Volume = 4.5 cm × 3.5 × 1 = 15.75 cm3

5 0
2 years ago
Mary weighs n kg while her sister weighs 15 kg less. How many times is Mary heavier than her sister?
kari74 [83]

Answer:

Mary is  \frac{n}{n-15}  times heavier than her sister

Step-by-step explanation:

Mary's Weight = n

Sister's Weight = n - 15

To find how many times mary is heavier, we need to multiply "that many time" [let it be x] with sister's weight to get Mary's weight.

<u>e.g. </u>If someone weighs 100 and another person 50, 50 * 2 = 100, thus, 100 kg person is 2 times heaving. We do same for this:

(n - 15) * x = n

x = n/(n - 15)

3 0
2 years ago
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In a parallelogram ABCD, angle a=70, find 2angle d​
Natali [406]

Answer:

D = 110

Step-by-step explanation:

Given,

In a parallelogram ABCD,

∠A =70∘

∠A + ∠B = 180∘.. (supplementary angles)

∠B = 180∘ – 70∘ = 110∘

∠A = ∠C and ∠B = ∠D.. (Opposite angles of parallelogram)

∠A = 70∘, ∠B = 110∘, ∠C = 70∘, ∠D = 110

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2 years ago
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Which best describes the function containing the point in the table
aleksklad [387]

there would have to be a table here so i could see

7 0
3 years ago
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