3 years ago

Please help find a formula of the function

Mathematics

1 answer:

luda_lava [24]3 years ago

7 0

Well for a linear function you would use the formula y=mx+b

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To find 40% of 75 and calculate 2 of 5 . 75 . Does her calculation Correct value for 40% of 75

pickupchik [31]

Answer:

Yes, her calculation is correct. The value of 40% of 75 is 30.

Step-by-step explanation:

The value of 40% of 75 is

$\frac{40}{100}\times 75=\frac{3000}{100}=30$

The value of $\frac{2}{5}$ of 75 is

$\frac{2}{5}\times 75=2\times 15=30$

From the above calculation it is noticed that the value of 40% of 75 and $\frac{2}{5}$ of 75 are same, therefore the calculation is correct and the value of 40% of 75 is 30.

4 0

3 years ago

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Emily and her family are planning to fly to Italy over the summer. If they fly out from LAX, the distance of the trip will be 6,

Iteru [2.4K]

The speed is the ratio between the distance and the time:

$s=\frac{d}{t}$

Data:

d=6343miles

t=9h

$s=\frac{6343\text{miles}}{9h}=704.77\frac{miles}{h}$ Then, the plane traveled at a speed of 704.77 miles per hour.

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10 months ago

Click on the measure of angle x. х 38° » 152 1)) 142° () 38° )) 52°

GaryK [48]

Answer:

142°

Step-by-step explanation:

$180^{\circ} - 38^{\circ} = 142^{\circ}$

7 0

3 years ago

if you're at the state fair with some friends and deciding between buying a jumbo pack of 50 ride tickets for $45 or medium pack

Mandarinka [93]

The jumbo pack is a better price!

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2 years ago

What are the solutions to the system of equations? {y=2x2+6x−10 y=−x+5

inessss [21]

Answer: x = -5, 3/2 y = 10, 7/2

Explanation:

y = 2x^2 + 6x - 10 (1)
y = - x + 5 (2)

=> 2x^2 + 6x - 10 = - x + 5
2x^2 - 7x - 15 = 0
(2x - 3)(x + 5) = 0
=> 2x - 3 = 0
2x = 3
x = 3/2
=> x + 5 = 0
x = -5

According to (2):

y = -x + 5
y = -(-5) + 5
y = 5 + 5 = 10

y = -x + 5
y = -(3/2) + 5
y = -(3/2) + 10/2
y = 7/2

3 0

3 years ago

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