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Fantom [35]
2 years ago
5

Tom earned 5600 last summer delivering newspapers. This summer, he earned 20% more. How much did he earn this summer?​

Mathematics
1 answer:
antoniya [11.8K]2 years ago
4 0

Answer:

$6,720

Step-by-step explanation:

20% of 5600 is 1120.

1120+5600= 6,720

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Emma buys 3 and two-thirds yards of blue fabric and some yellow fabric at a store. She buys a total of 5 and one-third yards of
AnnZ [28]

Answer:

1 and two-thirds yards

Step-by-step explanation:

5⅓ = 3⅔ + y. Subtract 3⅔ from both sides.

It may be useful to use improper fractions.

16/3 – 11/3 = y

5/3 = y

5/3 is equivalent to 1⅔

8 0
3 years ago
A scientist counted 3,921 total eggs in
uysha [10]

Answer:

 The Answer is 80

Step-by-step explanation:

So I turned 3,921 to 4,000 then 49 to 50.

After that I divided the too 4,000÷50= 80

5 0
2 years ago
What is y = -2x - 9 I am confused
gizmo_the_mogwai [7]

Answer:

its a line on the graph. point at (0,-9) and you move down 2 and 1 to the right and repeat To continue the line start at (0,-9) again and move up to and 1 to the left and repeat. Did that answer your question?

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Precalculus PLEASE HELP ME right answers only check all please
Alex_Xolod [135]

Given :

cos(x)cos(\frac{\pi }{7}) + sin(x)sin(\frac{\pi }{7})=-\frac{\sqrt{2}}{2}

We know the identity

cos(x)cos(y) + sin(x)sin(y)=cos(x-y)

We use this property to simplify the left hand side

So  cos(x)cos(\frac{\pi }{7}) + sin(x)sin(\frac{\pi }{7})=cos(x - \frac{\pi }{7})

cos(x - \frac{\pi }{7}) =-\frac{\sqrt{2}}{2})

we know ,

when cos(x) =-\frac{\sqrt{2}}{2}) then

x = \frac{3\pi }{4} , \frac{5\pi }{4}

For  cos(x - \frac{\pi }{7}) =-\frac{\sqrt{2}}{2})

x - \frac{\pi }{7}= \frac{3\pi }{4} and x - \frac{\pi }{7}= \frac{5\pi }{4}

Add \frac{\pi }{7} on both sides

x= \frac{3\pi }{4} + \frac{\pi }{7} and x= \frac{5\pi }{4} +\frac{\pi }{7}

Finally we add 2npi for general solution

So options C  and D  are correct


6 0
3 years ago
To go on the class trip, chang needs at least $125. he has saved $45, and he makes $7 an hour at his job. what is the minimum nu
Murljashka [212]
The total amount that Chang will received from his wages is the product of his hourly wage times the number of hours he has worked (n). His total savings should not be less than $125. The equation that best describes the situation is, 
                                    45 + 7n ≥ 125
Solving for n in the inequality gives an answer of n≥11.42 hours. Thus, he needs to work for at least 12 hours.
6 0
3 years ago
Read 2 more answers
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