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2 years ago

I Don't Know What To Do?

Mathematics

2 answers:

choli [55]2 years ago

6 0

Answer: Total cost would be $40, and multiplication expression would be

$8\times 5\\\\=\$40$

Step-by-step explanation:

Since we have given that

Number of his friend = 7

Including him, number of persons = 7+1 = 8

Cost of each ticket = $5

We need to find the total cost.

So, Total cost would be

$8\times 5\\\\=\$40$

Hence, total cost would be $40, and multiplication expression would be

$8\times 5\\\\=\$40$

arlik [135]2 years ago

4 0

Just do 7 x 5 = 35.............

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Serjik [45]

Provate school in 2005
f(t)=85+18t

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g(t)=95+15t

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easy
replace g(t) and f(t) with y
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y=18t+85
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when t=1 y=103
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if t=1 then y=110
plot the points (0,95) and (1,110)

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2 years ago

9x-4 (x-3)+72 Find X A. 6 B. 12 C. 17 D. 19

Jet001 [13]

Answer:

Step-by-step explanation:

9x-4 (x-3)+72

9x-4x+12+72

5x+84

5x/5 + 84/5

x=17

3 0

2 years ago

Dave can complete a sales route by himself in 4 hours. James can do the same job in 5 hours. How long will it take them to do it

Alexeev081 [22]

We can solve this problem by calculating the individual rate of working and equate it to their total rate of working.

If Dave can complete a sales route in 4 hours, then his working rate is

$\frac{1}{4}$

Also, if James can do it in 5 hours, then his working rate is

$\frac{1}{5}$

Let
$x$
be the hours that both will use to complete the sales route,

Then rate at which both completes this task is
$\frac{1}{x}$

Meaning if we add their individual rates we should get

$\frac{1}{x}$

That is;

$\frac{1}{4} + \frac{1}{5} = \frac{1}{x}$

The LCM is
$20x$

So let us multiply through with the LCM.

$20x \times \frac{1}{4} + 20x \times \frac{1}{5} =20x \times \frac{1}{x}$

$5x + 4x = 20$

We simplify to get,

$9x = 20$

Dividing through by 9 gives;

$x = \frac{20}{9}$

$x = 2\frac{1}{9}$

Therefore the two will complete sales route in
$2 \frac{1}{9}$
hours.

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2 years ago

Choose the correct graph of the following condition. {(x, y) : x = 4) o [(x,y): y = 4)

Studentka2010 [4]

Answer:

There is no solution

Step-by-step explanation:

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