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Assoli18 [71]
2 years ago
10

Help meeeee please. ‼️‼️‼️‼️

Mathematics
1 answer:
KatRina [158]2 years ago
8 0

Step-by-step explanation:

look at the picture !

she has to paint actually 6 rectangles :

the 3 tops of the 3 stairs.

and the 3 vertical front boards (the front of each step of the stairs).

what is the area of these rectangles ? summing up all 6 - that is the surface area to be painted.

each top rectangle is clearly

82×19 (19 cm deep) = 1558 cm²

each front board is

82×12 (12 cm high) = 984 cm²

so, in total we have

3×1558 + 3×984 = 4674 + 2952 = 7626 cm²

as surface area to be painted.

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Using d= rt, find r if d= 350 miles and t= 5 hours
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Answer:

70 miles /hour = r

Step-by-step explanation:

d=rt

Substitute d=350 miles and t = 5 hours

350 miles = r* 5 hours

Divide each side by 5 hours

350 miles = 5 hours = r

70 miles /hour = r

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7 0
2 years ago
PLZS HELP NEED BY TODAY!!
Alex73 [517]
X=20. Because that line is 180 and u subtract 40 and u do 140/7= 20
3 0
3 years ago
Read 2 more answers
Mark deposited $450, $312, $125, and $432 in his bank account this
IgorLugansk [536]

By knowing how much Mark deposits, how much he deducts and what is his initial balance, we can know what the final balance is.

We will see that the balance at the end of the month is $2224.

We know that:

Mark deposited:

$450, $312, $125, and $432.

<u>The total deposit</u> is: $450 + $312 + $125 + $432 = $1319

The deductions are:

$205 and $123

<u>The total deductions</u> are: $205 + $123 = $328

<u>The initial balance</u> is $1233.

The final balance will be equal to the initial balance plus what Mark deposits minus what Mark deducts, this is:

Final balance  = $1233 + $1319 - $328 = $2224

We can conclude that the balance at the end of the month is $2224

If you want to learn more, you can read:

brainly.com/question/19245500

8 0
3 years ago
Solve: <br><br> -2 1/3-(-5)= what<br><br><br> Please help
OLEGan [10]

Answer:

8/3

Step-by-step explanation:

\frac{ - 7}{3}  + 5 =  \frac{8}{3}

7 0
3 years ago
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