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3 years ago

Ill give brainiest, dont guess please

Mathematics

2 answers:

IceJOKER [234]3 years ago

6 0

It could be private for the first one, if not I’m sorry

-The second national bank was chartered in 1816

andrew-mc [135]3 years ago

4 0

I don't know the first one but the second one is The second national bank was chartered in 1816.

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Are the graphs of −5y=2x+3 and y=25x+4 parallel, perpendicular, or neither?

saw5 [17]

Parallel graphs have the same slope. perpendicular has opposite reciprocal slopes. These equations have slopes of -2/5 and 25 so they are neither.

6 0

3 years ago

What is -3.5+(-4.9)=?What is the answer please?

musickatia [10]

Answer:

The answer is -8.4

6 0

3 years ago

A salesperson at a jewelry store earns 7% commission each week. Lat week, Heidi sold 450$ worth of jewelry. How much did she mak

Lemur [1.5K]

Step-by-step explanation:

$31.50 is how much she made

418.5 is how much the store made, but, that is the simple value, there could be more variables

7 0

3 years ago

3/5 + 7/10 - 1/2=??<br><br> Solve

Yuliya22 [10]

Answer:

4/5

Step-by-step explanation:

6/10 + 7/10 - 5/10 = 8/10 = 4/5

7 0

3 years ago

Read 2 more answers

NEED ANSWER

grandymaker [24]

Answer:

$\frac{x^{2}}{144}+\frac{y^{2}}{79.995}=1$

Step-by-step explanation:

An ellipse centered a point (h,k) has the following formula:

$\frac{(x-h)^{2}}{a^{2}}+\frac{(y-k)^{2}}{b^{2}}=1$

The distance between foci is:

$2\cdot c = \sqrt{[8-(-8)]^{2}+(0-0)^{2}}$

$2\cdot c = 16$

$c = 8$

The center of the ellipse is:

$C(x,y) = (-8 + 8, 0 + 0)$

$C(x,y) = (0,0)$

The known vertex is on the horizontal axis of the ellipse. Then, the length of the semi-major axis is:

$a = \sqrt{(12-0)^{2}+(0-0)^{2}}$

$a= 12$

The length of the semi-minor axis is given by the following expression:

$c =\sqrt{a^{2}-b^{2}}$

$b = \sqrt{a^{2}-c^{2}}$

$b = \sqrt{12^{2}-8^{2}}$

$b \approx 8.944$

The equation of the ellipse is:

$\frac{x^{2}}{144}+\frac{y^{2}}{79.995}=1$

5 0

4 years ago