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9966 [12]
2 years ago
8

5. WORK The table below shows how

Mathematics
1 answer:
pav-90 [236]2 years ago
7 0

Answer:

For 7 hours of work, Lu will get paid $35.

Step-by-step explanation:

For each hour she works, Lu earns $5. So, I did $5 * 7 hours, which is $35 :)

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Change 179km to miles. Type a whole number or a decimal. Round to four decimal places as needed.
atroni [7]

Answer:

179/1.60934 miles then divide to get the whole number/ decimal.

Step-by-step explanation:

A quick search tells me there are 1.60934 km in 1 mile.  

To convert from one unit to another there is a super simple method.  Set up a fraction with the two values, so in this case 1/1.60934  or 1.60934/1.  Which do you use?  well it depends which you are tryng to convert.

1.60934/1 has the units km/miles so since miles is on the bottom we would use it to convert miles.  That's hat you have to look at, what is in the denominator.  Since we are converting 179 km we want km on the bottom.

So we use 1/1.60934 instead because the units are miles/km.  now you just multiply the 179 by the fraction.  so the answer is 179/1.60934 miles.

Now it says we need a whole number of decimal, can you handle the division?

7 0
3 years ago
Open Picture Need Help With 11 & 12
likoan [24]

Answer:

Step-by-step explanation:

7). (x + 3)(x + 7)

  = x(x + 7) + 3(x + 7)

  = x² + 7x + 3x + 21

  = x² + 10x + 21

8). (4x + 2)(x - 2)

  = 4x(x - 2) + 2(x - 2)

  = 4x² - 8x + 2x - 4

  = 4x² - 6x - 4

9). (3x + 2)(2x + 5)

  = 3x(2x + 5) + 2(2x + 5)

  = 6x² + 15x + 4x + 10

  = 6x² + 19x + 10

10). (x² - 6)(x - 4)

  = x²(x - 4) - 6(x - 4)

  = x³ - 4x² - 6x + 24

11). (x² + 9)(x - 3)

  = x²(x - 3) + 9(x - 3)

  = x³ - 3x² + 9x - 27

12). (4x²- 4)(2x + 1)

  = 4x²(2x + 1) - 4(2x + 1)

  = 8x³ + 4x² - 8x - 4

4 0
3 years ago
Do all animals have the same life span. Explain your answer
Talja [164]
No, because every animal is different.
5 0
3 years ago
A coordinate plane with a line passing through (negative 4, negative 4), (0, 0) and (4, 4).
Kisachek [45]

Answer:

-x + y = 0 or x - y = 0

Step-by-step explanation:

The line passes through points (0, 0) and (4,4), then its slope is:

m = (4 - 0)/(4 - 0) = 1

Given that the line passes through (0, 0), its y-intercept is

b = 0

Using slope and y-intercept form:

y = mx + b

y = x

The standard form of a line is:

Ax + By = C

So, we have to put all variables on the left side, as follows:

-x + y = 0

Multiplying by (-1) at both sides:

x - y = 0

5 0
3 years ago
Read 2 more answers
What Is -0.75-(-2/50)+0.4(-3/4)? Explain and answer the question please
lilavasa [31]
The answer is -1.01
I first changed the signs of the ones i could. So <span>-0.75+(2/50)+0.4(-3/4)
Then i multiplied the 0.4*-3/4 which equals -0.3
So you are left with </span><span>-0.75+(2/50)-0.3
2/50 is equal to 0.04 so now it is </span> -0.75+0.04-0.3 and the rest is simple math. Which equals -1.01
3 0
3 years ago
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