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ipn [44]
3 years ago
7

Please help me solve

Mathematics
2 answers:
Kamila [148]3 years ago
8 0

Answer:

Step-by-step explanation:

Sorry I do not know

Gekata [30.6K]3 years ago
6 0

Answer:

a) 3x - 17

b) 9x + 7

c) 5i + 7

d) -13r - 15s

Step-by-step explanation:

a) 3(x- 5) - 2

3x - 15 -2

3x - 17

b) (4x-1) 4 + x + 11

8x - 4 + x + 11

9x + 7

c) 8i - (3i - 7)

8i - 3i + 7

5i + 7

d) 2(r-3s) - 3 (5r - 3s)

2r - 6s - 15r - 9s

-13r - 15s

Tried my best with these, hopefully this helped!

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A machine makes 18 parts each hour. If the machine operates 24 hours a day, how many parts can it make in one day?
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It makes 432 parts in 24 hours
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4 years ago
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Can someone help me with the question please
alexandr1967 [171]

Answer:

Purple line: 4

Red dashed line: 2

Blue line: 1/2

Step-by-step explanation:

The purple line is the steepest line, therefore it has the biggest constant of proportionality or slope. Since 4 is the biggest number among the others, we attribute it to the purple line (the one with the point C on it).

Think of it this way:

y = ax+b \\

here b = 0 so y = ax

The greater a is, the greater y is. So for any value of x, y will be become bigger and bigger if we increase the value of a.

Take for example this one:

y = 2x \\

Take x=2\\ therefore y =4

Now take y = 4x and take x =2 therefore y = 8

When we increased this constant of proportionality, as you can see from 2 to 4, the value of y increase from 4 to 8.

Hope this is helpful. Think of it really carefully, and I'm sure you'll grasp the concept.

7 0
3 years ago
I need help on answering this question
liubo4ka [24]

Answer:

<h2>The answer is 72°</h2>

Step-by-step explanation:

Since < RQS = < QLK and < RQS = x

< QLK is also x

< QLK and < KLM lie on a straight line

Angles on a straight line add up to 180°

To find x add < QLK and < KLM and equate them to 180°

That's

< QLK + < KLM = 180°

x + x - 36 = 180

2x = 180 - 36

2x = 144

Divide both sides by 2

We have the final answer as

<h3>x = 72°</h3>

Hope this helps you

7 0
4 years ago
What is the radius of this circle?
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Answer:

5 cm

Step-by-step explanation:

Here, In given circle the radius is 5cm

<u>-TheUnknownScientist</u>

4 0
3 years ago
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lara [203]

Answer:

168

Step-by-step explanation:

2x80 is 160 plus 2x4 is 8 160+8 is 168

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3 years ago
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