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Usimov [2.4K]
3 years ago
14

Tim earns $31 after 2 hours, $46.5 after three hours,

Mathematics
1 answer:
sladkih [1.3K]3 years ago
6 0

Answer:

Step-by-step explanation:

The clue here is to determine how much he makes in 1 hour, then see if that amount works for 2 hours and 3 hours. If we know that he makes $31 in 2 hours, then 31/2 is $15.50. And $15.50 times 2 hours is $31, and $15.50 times 3 hours is $46.50. So the equation that represents the amount of money Tim makes is y = 15.5x, where y is the amount of money he makes when he works x number of hours at $15.50 per hour.

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Select the common denominator for 3/8 and 3/10. Check all that apply
jeka57 [31]

Answer:

common denominator is 40

Step-by-step explanation:8x5=40

10x4= 40

3x5=15

3x4=12

15/40 and 12/40

7 0
3 years ago
Leiff goes online to buy a new video game. He finds a site that currently has a promotion of 15% off on all orders over $50. Lei
White raven [17]
If the original price tag of the video game is $128, to get its discounted price at 15%, that means what Leiff paid for was (100-15) = 85% of the original price. So, the price of the video game then becomes (0.85 x 128) = $108.80. Since Leiff has to pay an additional 5.3% of the new price, that's (100 + 5.3) = 105.3% of the new price which is (1.053 x 108.8) = $114.57 Adding the shipping fee for the videogame, 114.57 + 4.75 = $119.32 Thus, the total price is <span>$119.32</span>
8 0
3 years ago
Read 2 more answers
Correct answers gets most brainiest!! :)
podryga [215]
Hello :)

Answer: x=11

Measure angel BAD= 122

Explanation:

To find X you have to make an equation

10x-49=5x+6

And then you solve for x

To find the angel measure of BAD, you have to add bac and cab to get bad

Bac= 10(11)-49 which equals 61

Cab= 5(11)+6=61

61+61= 122

Which is the measure of BAD

I hope this helps and have a wonderful rest of your night
6 0
2 years ago
I’m confused on this answer anyone know it?
slamgirl [31]

Answer:

y=\frac{26}{7},\:x=-\frac{15}{7}

Step-by-step explanation:

\begin{bmatrix}4x+5y=10\\ -2x+y=8\end{bmatrix}\\\\\begin{bmatrix}-2\cdot \frac{10-5y}{4}+y=8\end{bmatrix}\\\\

-5+\frac{7y}{2}=8\\\\\mathrm{Multiply\:both\:sides\:by\:}2\\-5\cdot \:2+\frac{7y}{2}\cdot \:2=8\cdot \:2\\-10+7y=16\\y=\frac{26}{7}\\

\mathrm{For\:}x=\frac{10-5y}{4}\\\mathrm{Subsititute\:}y=\frac{26}{7}\\x=\frac{10-5\cdot \frac{26}{7}}{4}\\\\

x=-\frac{15}{7}\\

7 0
3 years ago
A triangle with sides of lengths 9, 22, and 24 is a right triangle
Leona [35]

Answer:

The statement is false

Step-by-step explanation:

we know that

if the triangle is a right triangle

then

the triangle must satisfy the Pythagoras Theorem

c^{2}=a^{2}+b^{2}

we have

c=24\ units

a=9\ units

b=22\ units

substitute

24^{2}=9^{2}+22^{2}

576=81+484

576 \neq 565

therefore

Is not a right triangle

The statement is false

4 0
3 years ago
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