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3 years ago

Does anyone know?????

Mathematics

1 answer:

-Dominant- [34]3 years ago

4 0

Answer:

The answer is B

Step-by-step explanation:

The reason for this is that for every hour, the person earns another $7.25. In 2 hours, this is $14.50, and at the 2 hour mark, only chart B is at that y-coordinate.

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For a diamond problem what two numbers' sums equal 31 and their product is 234?

s344n2d4d5 [400]

Let

x-------> the first number

y------> the second number

we know that

$x+y=31$

$x=31-y$

equation $1$

$x*y=234$

equation $2$

substitute equation 1 in equation 2

$(31-y)*y=234\\ 31y-y^{2} =234\\ -y^{2} +31y-234=0$

using a graph tool-----> to resolve the second order equation

see the attached figure

the solution is

$13 and 18$

8 0

3 years ago

Read 2 more answers

HELP I HAVE 10 MINUTES PLEASE GIVE ME A REAL ANSWER :

Dimas [21]

Answer:

the third one

Step-by-step explanation:

its easy

3 0

3 years ago

3(y - 3) = -15<br> I really need help

Tomtit [17]

Answer:

y=-2

Step-by-step explanation:

can i get brainliest please???

it would be very much appreciated

have a nice day :)

7 0

3 years ago

Read 2 more answers

Lemme get some help plz

enot [183]

Answer:

6(8x-2)

48x- 12 (this is the answer)

Step-by-step explanation:

to do those, you use the distributive property, which is taking the number outside the parenthesis and multiplying it by everything inside of it

4 0

3 years ago

10-root18/root2 = a+broot2

Sauron [17]

Step-by-step explanation:

$\frac{10 - \sqrt{18} }{ \sqrt{2} } = a + b \sqrt{2}$

$\frac{10}{ \sqrt{2} } + \frac{ - \sqrt{18} }{ \sqrt{2} }$

$5 \sqrt{2} + ( \frac{ - \sqrt{18} }{ \sqrt{2} } ) \times \sqrt{2}$

$a = 5 \sqrt{2}$

$b = \frac{ - \sqrt{18} }{ \sqrt{2} }$

8 0

3 years ago