3 years ago

QUICCCKKK !!! what is (5x + 7) + (x+2)

Mathematics

1 answer:

Katena32 [7]3 years ago

3 0

I believe the answer would be 6x + 9

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Beth purchased 7 sandwiches and spent a total of $43.75. If each sandwich was the same price, what was the cost per sandwich?

Alexus [3.1K]

Answer:

6.25 dont fake ur grade plz

Step-by-step explanation:

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3 years ago

Help me plz The formula K=59(F−32)+273.15 converts temperatures from Fahrenheit F to Kelvin K.

quester [9]

Let's see what to do buddy...

Step-by-step explanation:

_________________________________

$k = 59(f - 32) + 273.15$

Subtract the sides of the equation minus -273.15

$k - 273.15 = 59(f - 32)$

Divided the sides of the equation by 59

$\frac{k - 273.15}{59} = \frac{59}{59} (f - 32) \\$

$\frac{k - 273.15}{59} = f - 32 \\$

Subtract the sides of the equation plus 32

$\frac{k - 273.15}{59} + 32 = f \\$

And we're done.

Thanks for watching buddy good luck.

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4 years ago

What is the radius and diameter of the following circle?

Vinvika [58]

Answer:

Radius: 4.2 cm

Diameter: 8.4 cm

Step-by-step explanation:

Radius: The number that is half the circle.

Diameter: The radius times 2

5 0

3 years ago

Read 2 more answers

Harry is trying to solve the equation y = 2x^2 − x − 6 using the quadratic formula. He has made an error in one of the steps bel

Bond [772]

He made a mistake in step #2. It seemed to be a trivial mistake because it involved signs, but it still had a great impact. Since step#2, his solution was already wrong.

Instead of
(-1)²-4(2)(-6) = 1 + 48 = 49

What he did is
(-1)²-4(2)(-6) = -1 + 48 = 47

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3 years ago

Write the equation of the line given a slope of 0 through the point (5, -7)

wlad13 [49]

Answer:

y=-7

Step-by-step explanation:

y-y1=m(x-x1)

y-(-7)=0(x-5)

y+7=0

y=0-7=-7

6 0

3 years ago