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3 years ago

I need help with math assinment r+5/3=9

Mathematics

2 answers:

timama [110]3 years ago

7 0

(r+5 )/3=9
(r+5)/3 × 3 = 9 × 3
r+5 = 27
r + 5 -5 =27- 5
r= 22

o-na [289]3 years ago

4 0

R+5/3=9
start by solving 5/3 which as a mixed number equals 1 2/3
them adding 1/3 to the mixed number gives you a whole number of 2
so far r=1/3
but then you take 9-2 and see how many more numbers you need to get 9
9-2=7
R=7 1/3 or 22/3

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Someone please tell formula

ivolga24 [154]

<u>Answer:</u>

(i) Total cost of the flat is Rs. 540000.

(ii) Expenditure incurred on labour is Rs. 150000

<u>Step-by-step explanation:</u>

According to the question, cement cost is Rs. 112500, which represents 75° in the pie chart.

(i) The total cost of the flat is represented by the total 360° in the pie chart.

∴ Using unitary method

75° represents Rs. 112500

⇒ 360° represents = $\frac{112500}{75}$ × 360

= Rs. 540000

∴ Total cost of flat = Rs. 540000

(ii) Similarly, to calculate the cost of labour, represented by 100° in the pie chart, we can use the unitary method:

75° represents Rs. 112500

⇒ 100° represents = $\frac{112500}{75}$ × 100

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2 years ago

Help with this please

Alex_Xolod [135]

<h2>Given:-</h2>

y = 2x + 50

x = 5

So,

y = 2(5) + 50

y = 10 + 50

y = 60

Hence, option B, y = 60, is correct.

<h2>Hope it helps...</h2>

3 0

3 years ago

divide the number 60 into 2 parts so that if one part is divided by 6 and the other part is divided by 8 the sum of the answer w

konstantin123 [22]

If we divide 60 into say hmmm two integers, and those integers are say "a" and "b", then a + b = 60, therefore, a = 60 - b.

$\bf \stackrel{\textit{one part is divided by 6}}{\cfrac{a}{6}}~~+~~\stackrel{\textit{the other part is divided by 8}}{\cfrac{b}{8}}~~=~~9
\\\\\\
\cfrac{60-b}{6}~~+~~\cfrac{b}{8}=9\impliedby 
\begin{array}{llll}
\textit{let's multiply both sides by}\\
\textit{the LCD of 24}
\end{array}
\\\\\\
24\left( \cfrac{60-b}{6}~~+~~\cfrac{b}{8} \right)=24(9)\implies 240-4b+3b=216
\\\\\\
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what's the first integer? well, a = 60 - b.

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3 years ago

11. What is a point-slope equation of the line that has a slope of –5 and goes through the point (–4, 9)?

timurjin [86]

Answer:

$y-9=-5(x-(-4))$

Step-by-step explanation:

The image below shows proof that $y-9=-5(x-(-4))$ is the point-slope equation that has a slope of –5 and goes through the point (–4, 9).

Hope this helps! :)

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vladimir1956 [14]

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4 years ago