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aksik [14]
3 years ago
13

A builder makes all the ramps with a base to height ratio of 12 to 1 to be wheelchair accessible see diagram below which is not

drawn to scale a ramp needs to cover a height of 0.8 m what is the height of the L of this ramp round your answer to the nearest hundredth of a meter

Mathematics
2 answers:
Annette [7]3 years ago
3 0

Answer:

9.63

Step-by-step explanation:

Elina [12.6K]3 years ago
3 0

Answer:

9.63

Step-by-step explanation:

You might be interested in
What is 04.151515... into a fraction
Sergio039 [100]

Answer:

\displaystyle 4.\overline{15} = \frac{137}{33}.

Step-by-step explanation:

Start by separating this decimal number into its integer part and its fraction part:

4.151515\cdots = 4 + 0.151515\cdots

The most challenging task here is to express 0.151515\cdots as a proper fraction. Once that fraction is found, expressing the original number 4.151515\cdots will be as simple as rewriting a mixed number as an improper fraction.

Let x = 0.151515\cdots. (x + 4) would then represent the original number.

Note that the repeating digits appear in groups of two. Therefore, if the digits in x are shifted to the left by two places, the repeating part will continue to match:

\begin{aligned}x = 0.&151515\cdots && \\ 100\, x = 15.& 151515\cdots \end{aligned}.

Note, that this "shifting" is as simple as multiplying the initial number by 100 (same as 10 raised to the power of the number of digits that needs to be shifted.)

Subtract the original number from the shifted number to eliminate the fraction part completely:

\begin{aligned}&(100\, x) - x \\ &= 15.151515\cdots\\  & \phantom{=}- 0.151515\cdots\\&=15 \end{aligned}.

In other words:

99\, x = 15.

\displaystyle x = \frac{15}{99} = \frac{5}{33}.

Therefore, the original number would be:

\displaystyle x + 4 = \frac{5}{33} = \frac{132 + 5}{33} = \frac{137}{33}.

4 0
3 years ago
Can someone help answer this question Ive tried a lot and couldnt do it.
aleksklad [387]

Answer:

1222

Step-by-step explanation:

You have a triangular prism on top of a rectangular prism.  The surface area is the sum of the areas of the exposed faces.

Starting with the triangular prism, the surface area is the area of the two triangular bases plus the area of the two rectangular sides (the bottom rectangular face is ignored).

A = ½ (10) (12) + ½ (10) (12) + (13) (9) + (13) (9)

A = 60 + 60 + 117 + 117

A = 354

The surface area of the rectangular prism is the area of the two rectangular bases (front and back), plus the two walls (left and right), plus the bottom, plus the top (minus the intersection with the top prism).

A = (19) (11) + (19) (11) + (9) (11) + (9) (11) + (19) (9) + (19) (9) − (10) (9)

A = 209 + 209 + 99 + 99 + 171 + 171 − 90

A = 868

So the total surface area is:

354 + 868

1222

5 0
2 years ago
585 divided by 5 is?
sertanlavr [38]
Use a calculator it’s 117
4 0
3 years ago
Read 2 more answers
Fill in the table and then round to the given place<br> 4.3<br> hundredths<br> tenths<br> ones
NISA [10]
4.3
4=ones
.3= hundredths
0=tenths

Hope I helped:P 
  
6 0
3 years ago
Complete the ratio table to convert the units of time from hours to weeks or weeks to hours PLEASEE HELP I WILL MARK U BRAINLIES
BlackZzzverrR [31]

Answer:

7 and 504

Step-by-step explanation:

one week equals 168 hours

1176/168=7

3×168=504

5 0
3 years ago
Read 2 more answers
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