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kow [346]
3 years ago
7

Please help this is due tomorrow :,)

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
5 0

Given

in ∆ABC

AB = 5cm

BC = 6 cm

AC = 7 cm

now,

as we have to make ∆PQR inside it

than, possibly ∆PQR's sides length is,

PQ = ½ of CB (according to mid point theorem)

→ CB = 6cm → 6/2 → 3cm

PQ = 3cm

QR = ½ of AC

→ AC/2 = 7/2 = 3.5 cm

RP = ½ of AB

→ AB/2 = 5/2 = 2.5cm

therefore, length of

PQ = 3cm

QR = 3.5 cm

PR = 2.5 cm

Hope this answer helps you dear!

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In 2004, a magazine's circulation was about 1,000,000 readers. In 2014, the magazine had about 2,000,000 readers. Write a linear
Sever21 [200]

Answer:

m= \frac{r_2 -r_1}{t_2 -t_1}= \frac{2000000-1000000}{14-4}=100000

And then we can use for example the first point (t_1, r_1) = (4, 1000000) to find the intercept:

1000000= 100000*4 + b

b=600000

So then the linear model for this case should be:

r = 100000 t + 600000

Step-by-step explanation:

For this case we want to find a linear model given by:

r =mt+b

Where r = represent the number of readers , t= years after 2000

m = the slope for the model and b the intercept

For this case we can define the following points from the data given:

(t_1, r_1) = (4, 1000000) 4 years after 2000

(t_2, r_2) = (14, 2000000) 14 years after 2000

We can find the slope with the following formula:

m= \frac{r_2 -r_1}{t_2 -t_1}= \frac{2000000-1000000}{14-4}=100000

And then we can use for example the first point (t_1, r_1) = (4, 1000000) to find the intercept:

1000000= 100000*4 + b

b=600000

So then the linear model for this case should be:

r = 100000 t + 600000

8 0
4 years ago
What is the value of x in the equation
Nastasia [14]

Answer:

54

Step-by-step explanation:

\frac{1}{3x}  -  \frac{1}{2}  = 18 \frac{1}{2}  \\  \\  \frac{1}{3x}  -  \frac{1}{2}  =  \frac{37}{2}   \\  \\  \frac{1}{3x}  =  \frac{37}{2}  -  \frac{1}{2}  \\  \\  \frac{1}{3x}  =  \frac{37 - 1}{2}  \\  \\  \frac{1}{3x}  =  \frac{36}{2}  \\  \\  \frac{1}{3x}  = 18 \\  \\ 1 = 54x

8 0
3 years ago
What is the value of 5/6÷3/7? a) 15/42, b) 18/35, c) 35/18, d) 42/15
BabaBlast [244]
\frac{5}{6} \div  \frac{3}{7}  \\ \\  \frac{5 \times 7}{6 \times 3} \\ \\  \frac{35}{18} \\ \\

The final result is: 35/18 or 1.9444.
4 0
3 years ago
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Ostrovityanka [42]


Which question 1,2,3
7 0
3 years ago
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I don’t know how to do this. Can someone please help???!!!!
VladimirAG [237]

Answer:

5n-9

Step-by-step explanation:

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7 0
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