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o-na [289]
3 years ago
15

Can someone help please?

Mathematics
1 answer:
shepuryov [24]3 years ago
3 0

Answer: 80

Mean: add numbers up then divide by the number of numbers there are.

Mode: the number that appears the most

Median: the number in the middle when lined up from smallest to largest.

range: the difference between the largest and smallest number.

Explanation for this equation: when we add all numbers we get 910. 910 divided by 11 is 82.72 repeating and the nearest tenth is 80.

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Which choice is equivalent to the fraction below when x is an appropriate value? Hint: Rationalize the denominator and simplify.
densk [106]
\frac{3}{3- \sqrt{6x} } = \frac{3}{3- \sqrt{6x} } \times \frac{3+ \sqrt{6x} }{3+ \sqrt{6x} }  \\ = \frac{3(3+ \sqrt{6x})}{3^2-( \sqrt{6x} )^2} = \frac{3(3+ \sqrt{6x})}{9-6x} \\ =\frac{3(3+ \sqrt{6x})}{3(3-2x)}=\frac{3+ \sqrt{6x}}{3-2x}
6 0
3 years ago
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OPEN ENDED QUESTION<br> What is (-3)2?
madam [21]

Answer:

-6(?)

Step-by-step explanation:

-3 times 2 is -6. But why is this open ended?

6 0
3 years ago
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A rectangular solid has sides of 7 cm, 9 cm, and 11 cm. What is its surface area?
otez555 [7]

Answer:

Surface area is, 478 square centimeter

Step-by-step explanation:

Surface area (S)of rectangle is given by:

S = 2(lw+wh+hl)                 .....[1]

where,

l is the length

w is the width

h is the height of the rectangle respectively.

As per the statement:

A rectangular solid has sides of 7 cm, 9 cm, and 11 cm

⇒ l = 7 cm , w = 9 cm and h = 11 cm

Substitute in [1] we have;

S = 2(7 \cdot 9+9 \cdot 11+11 \cdot 7)

⇒S = 2(63+99+77) = 2 \cdot 239 = 478 cm^2

Therefore, the surface area is, 478 square centimeter

7 0
3 years ago
(-3, -6) translated 6 units up
inna [77]

Answer: y= 4x + 6 Not sure but hope this help

Step-by-step explanation:

3 0
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Y=-2x+4
goldenfox [79]
I think it is the first one
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3 years ago
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