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patriot [66]
2 years ago
13

Joan is a babysitter. She earns $8.50 per hour. Joan wants to buy a new phone that costs $161.50 with the tax included. Write an

equation relating the number of hours she needs to babysit to the amount of money she earns. Find out how many hours Joan must babysit to buy the phone. Use h to represent the number of hours Joan babysits.
Mathematics
1 answer:
lara31 [8.8K]2 years ago
3 0

Answer:

8.5=161.50;h= 19 hours

Step-by-step explanation:

So its pretty easy all you have to do is multiply 8.5 x 19

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Find three rational numbers between -5 and -4.
Irina-Kira [14]

Answer:

-4 3/4, -4 1/2, -4 1/4

Step-by-step explanation:

8 0
3 years ago
There are only chickens and pigs in Henry's Barn Henry counted a total of Sixteen animal heads and a total of 50 animal feet.How
raketka [301]

Answer:

9 pigs

Step-by-step explanation:

We have the following numbers of heads:

pigs (p) + chickens (c) = 16 animal heads (1)

And the following numbers of feet:

4p + 2c = 50 animal feet   (2)

From equation (1):

p = 16 - c (3)

By entering equation (3) into (2) we have:

4(16 - c) + 2c = 50

64 - 4c + 2c = 50

c = 7

Now, entering the value of c into equation (3) we have the next value of p:

p = 16 - c

p = 16 - 7

p = 9

Therefore, the number of pigs that Henry has is 9.

I hope it helps you!  

4 0
3 years ago
write the point slope form of an equation of the line that passes through (-2 5) and has an undefined
Nana76 [90]

Answer:

  no solution

Step-by-step explanation:

Any of the "-slope" or "slope-" formulas for a line cannot be used when the slope is undefined.

The equation of the desired line is x = -2. It cannot be put into the form y = ....

3 0
3 years ago
Write 10 x 10 x 10 x 10 x 10 with an exponent.<br> 10 x 10 x 10 x 10 x 10 =
lakkis [162]

Answer:

10^5

Step-by-step explanation:

Exponents are basically just saying how many times the number is multiplied by itself.

In the expression 10\cdot10\cdot10\cdot10\cdot10, we can see that 10 is being multiplied by itself 5 times.

So the exponent becomes 5, and the base is 10.

10^5.

Hope this helped!

7 0
3 years ago
Evaluate m + n for m = 5 and n = 4. 01 09 20 54​
Alenkasestr [34]

Answer:

The answer is 9.

Step-by-step explanation:

m = 5

n = 4

m + n

(5) + (4) = 9

4 0
3 years ago
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