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3 years ago

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Noah’s family takes a trip. They travel 5.26 miles multiplied by 10 to the power of 2 miles each day. How many miles do they tra

vel each day? * (PLZ HELP PLEASE)

1 answer:

Gwar [14]3 years ago

3 0

Answer:

i think 526

Step-by-step explanation:

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The graph of the equation x^2+6x+y^2-16y=-9 is a circle. Choose True or False for each statement

BigorU [14]

Answer:

see the explanation

Step-by-step explanation:

we have

$x^2+6x+y^2-16y=-9$

<u><em>Convert the equation of the circle in center radius form</em></u>

Group terms that contain the same variable

$(x^2+6x)+(y^2-16y)=-9$

Complete the square twice. Remember to balance the equation by adding the same constants to each side

$(x^2+6x+9)+(y^2-16y+64)=-9+9+64$

$(x^2+6x+9)+(y^2-16y+64)=64$

Rewrite as perfect squares

$(x+3)^2+(y-8)^2=8^2$

The center of the circle is (-3,8)

The radius of the circle is 8 units

<u><em>Verify each statement</em></u>

A. The center of the circle is (3,-8).

False

The center of the circle is (-3,8)

B. The circle is tangent to the x-axis

True

The circle is tangent to x=5 and x=-11 and is tangent to y=0 and y=16

Remember that y=0 is the x-axis

C. The circle has a radius of 64

False

The radius of the circle is 8 units

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3 years ago

How do you subtract a integer from another integer without using a number line or counters

ZanzabumX [31]

This is how I do it. If it is a negative minus a negative, I combine the two - signs to make it an addition problem. Ex. -3 - -4 makes -3+4. The answer would be one.

If it is a negative plus a negative, keep the sign on the greater number and take away the sign the smaller number. Ex. -7 + (-9). Keep the sign on the 9. -7 - 9. The answer would be -16.

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3 years ago

Show that the function f(x)= integral from x to 3x 1/t ft is constant on the interval (0, positive infinity)

jarptica [38.1K]

$\int\limits^{3x}_x { \frac{1}{t} } \, dt$
integrate to get
$[ln|t|]^{3x}_x=ln|3x|-ln|x|=ln| \frac{3x}{x}| =ln |3|=ln(3)$
this only is true when x>0
when x turns negative, we get -ln(3) because of math

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3 years ago

The side lengths of a right triangle are 24, 45 and 51. Determine which is the length of hypotnuse.....

attashe74 [19]

Answer:
51
Step-by-step explanation:
Answer: 51
check: a^2+b^2=c^2 24^2+45^2=51^2 576+2025=2601 2601=2601

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Ryan is making a fruit drink. The directions say to mix 5 cups of water with 2 scoops of powdered fruit mix. How many cups of wa

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22.5 cups of water for 9 scoops

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