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stira [4]
3 years ago
11

For a science experiment, Ashley removes a cold liquid from a refrigerator and measures its temperature every

Mathematics
1 answer:
zhuklara [117]3 years ago
8 0

Answer:

why are the number wierd i do it but idk the temp for the second one

Step-by-step explanation:

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Simplify the rational expression by rationalizing the denominator √15/√6x
noname [10]

Answer:

√10/2x

Step-by-step explanation:

Multiply by √6 on the top and bottom to rationalize the denominator.

(√15×√6)/(√6x×√6) = √90/6x = (√9×√10)/6x = 3√10/6x = √10/2x

4 0
3 years ago
Suppose that you are headed toward a plataeu 70m high. If the angle of elevation to the top of the platau is 35 degree how far a
SIZIF [17.4K]

Answer:

The distance you are from the base of plateau = 99.97\ m\approx 100\ m

Step-by-step explanation:

Given:

Height of plateau = 70 m

Angle of elevation to the top of plateau = 35°

To find the distance you are from the base of plateau.

We will construct a triangle ABC to model the given situation. The triangle would be a right triangle for which we know an angle and its opposite side. We need to find the adjacent side of the triangle.

We will apply trigonometric ratio to find the adjacent side.

\tan\theta=\frac{Opposite\ Side}{Adjacent\ Side}

where \theta represents the angle of reference.

Plugging in the values from the triangle.

\tan 35\° =\frac{BC}{AC}

\tan 35\° =\frac{70}{AC}

Multiplying both sides by AC.

AC\times \tan 35\° =AC\times \frac{70}{AC}

AC\times \tan 35\° =70

Dividing both sides by \tan 35\°

\frac{AC\times \tan 35\°}{\tan 35\°} =\frac{70}{\tan 35\°}

∴ AC=99.97\ m\approx 100\ m

The distance you are from the base of plateau = 99.97\ m\approx 100\ m

7 0
3 years ago
Are these true or false plz help
vredina [299]

Answer:

v

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Help!!! ASAP!!!!! Pls!!!
Misha Larkins [42]

Answer:

first point at 100cm then the second point at 220cm

Step-by-step explanation:

put the first point at the starting time

the the second point at 220 but 20 mins after the starting time

3 0
2 years ago
Read 2 more answers
A standard deck of has 52 cards, and contains 13 cards of each of the four suits: diamonds, spades, hearts, and clubs. what is t
NARA [144]
Answer: 13/51

Explanation:

\textnormal{Probability }=  \cfrac{\textnormal{Number of spades}}{\textnormal{cards left to draw}} =  \cfrac{13}{51}
4 0
3 years ago
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