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3 years ago

What's the answer to question 10? I don't understand.

Mathematics

1 answer:

Alik [6]3 years ago

5 0

We cant see the pictures you posted
sorry

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If Rachel can read 10 pages in 12 minutes how long does it take her to read 8 pages

juin [17]

Answer:

9.6

Step-by-step explanation:

Step 1:

Find the rate of proportion

We can do 12/10 to find how many minutes it takes her to read 1 page, or 1.2.

Step 2:

Multiply 1.2 by 8 to get 9.6

ALTERNATIVE METHOD:

Divide 10 by 8 to get 1.25. Then divide 12 by 1.25 to get 9.6

4 0

2 years ago

The cost in dollars y of producing x computer desks is given by y=80x+6000

Gnoma [55]

Answer:

(100,14000), (200, 22000), (300, 30000)

Step-by-step explanation:

y = 80x + 6000 ........ (1) is the equation which gives the cost (y) in dollars for making x number of computer desks.

Let, f(x) = 80x + 6000

So, f(100) = 80 × 100 + 6000 = 14000 {From equation (1)}

So, to produce 100 desks it costs $14000.

Again, f(200) = 80 × 200 + 6000 = 22000 {From equation (1)}

So, to produce 200 desks it costs $22000.

Again, f(300) = 80 × 300 + 6000 = 30000 {From equation (1)}

So, to produce 300 desks it costs $30000.

Then table will be (100,14000), (200, 22000), (300, 30000) (Answer)

5 0

3 years ago

A) Find the value of 3a + 4b when a = 17 and b = 9.

Ivan

Answer:

A. 87

B. i dont uderstand velocily sorry

Step-by-step explanation:

3*a=3*17=51

4*b=4*9=36

51+36=87

4 0

3 years ago

Read 2 more answers

What is the common ratio of the geometric sequence below 625,125,25,5,1,...

shepuryov [24]

Answer: $\frac{1}{5}$

Step-by-step explanation:

In the geometric sequence we can see each time we are dividing by 5. That is the same as multiplying by $\frac{1}{5}$ so that is the common ratio.

5 0

3 years ago

Triangle abc is similar to triangle FGH solve for p plebs.

12345 [234]

The value of p is 21

Step-by-step explanation:

ΔABC ~ ΔFGH

$\frac{ab}{fg} = \frac{bc}{gh} \\ \frac{35}{p} = \frac{10}{6} \\ p = \frac{35 \times 6}{10} \\ p = \frac{210}{10} \\ p = 21 \\ \\ or \\ \\ \frac{ab}{fg} = \frac{ac}{fh} \\ \frac{35}{p} = \frac{30}{18} \\ p = \frac{35 \times 18}{30} \\ p = \frac{630}{30} \\ p = 21$

So, the value of p is 21

Hope it helpful and useful :)

5 0

3 years ago