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bija089 [108]
3 years ago
13

Which of the following values of r will result in a true statement when substituted into the given equation?

Mathematics
1 answer:
wariber [46]3 years ago
5 0
I think that it is A I guessed
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John is tall Paul is taller but Ken is the tallest. Who is the shortest?Who is the tallest?​
Anvisha [2.4K]

Answer:

Shortest is john

Tallest is ken

Step-by-step explanation:

You have to look at the last few words (er, est).

Ex: 3. strong 2. stronger 1. strongest

Hope this helps <3

Need thanks? Comment /hearthelp

8 0
3 years ago
How do I expand the brackets for the equation 5x(6x+1)?
Wewaii [24]

Step-by-step explanation:

30x+5×=35×

35x is your answer

8 0
3 years ago
A company manufacturer two types of printers, an inkjet printer and a laser printer. The company can make a total of 60 printers
myrzilka [38]

Answer:

30 inkjet printers

30 laser printers

Step-by-step explanation:

Let x be inkjet printer

Let y be the laser printer

Total printer produced per day = 60

This implies that x+y = 60

The company has 120 labor hours per day. If it has 1 labor hour to make a inkjet printer and 3 labor hours to make a laser printer, we will have

x + 3y = 120

So we have

x + y = 60 ........(1)

x + 3y = 120 ........(2)

Subtract equation 1 from 2

We have

2y = 60

y = 60/2

y = 30

Put y= 30 into equation 1

x + y = 60

x + 30 = 60

x = 60 -30

x = 30

Therefore we have 30 inkjet printers and 30 laser printer.

6 0
3 years ago
If the lesser of the two consecutive even integers is five more than half the greater, what are the two integers?
Marina CMI [18]

The integers are 12, 14.

Solution:

Let the even consecutive integers be x and x + 2.

Lesser number = x and Greater number = x + 2

Lesser number = Half of greater number + 5

$\Rightarrow x = \frac{1}{2} (x + 2) + 5

$\Rightarrow x = \frac{x + 2}{2} + 5

To add the numbers, denominators must be same. So multiply 5 by \frac{2}{2}.

$\Rightarrow x = \frac{x + 2}{2} + \frac{10}{2}

$\Rightarrow x = \frac{x + 12}{2}

Multiply by 2 on both sides, we get

⇒ 2x = x + 12

Subtract x from both sides.

⇒ x = 12

Lesser number = 12

Greater number = 12 + 2 = 14

Hence the integers are 12, 14.

7 0
3 years ago
4/7 (2c + 9) = 3/7<br> (the / means a fraction)
xenn [34]

Answer:

C=-33/8

Step-by-step explanation:

Hope I helped

Do u want a step by step explanation?

5 0
3 years ago
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