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3 years ago

Find the distance between each pair of points. Round when needed to the nearest tenth. P (2, -1), Q (10, – 7)

Mathematics

1 answer:

Bogdan [553]3 years ago

6 0

Answer:

Step-by-step explanation:

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Twenty students participated in a psychology experiment which measured their heart rates in two different situations.

Stella [2.4K]

Answer:

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Step-by-step explanation:

thats facts

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3 years ago

Penny buys 3 bouquets of flowers for $3 each and 4 bouquets for $2 each. Which expression gives the total cost of the bouquets t

dybincka [34]

Answer: See explanation

Step-by-step explanation:

From the question, we are informed that Penny buys 3 bouquets of flowers for $3 each and 4 bouquets for $2 each.

The expression that gives the total cost of the bouquets that Penny buys will be:

= (3 × $3) + (4 × $2)

Solving further will be:

= (3 × $3) + (4 × $2)

= $9 + $8

= $17

8 0

3 years ago

Read 2 more answers

Pepsi [2]

Answer: Option 4

Step-by-step explanation:

Similar triangles have congruent angles, so this means that the sines, cosines, and tangents should be the same.

Thus, the side lengths of the triangle we want to find should be multiples of $1, \sqrt{15}, 4$ .

This eliminates options (1) and (3).

Between options 2 and 4, we know that the Pythagorean theorem is not satisfied by option (2), thus we should eliminate it.

This leaves us with option (4)

7 0

3 years ago

What is the value of y in the solution to the system of equations?<br> *x+3y=1<br> 2x – 3y = -30

Delvig [45]

Answer:

$\large\boxed{y=\dfrac{32}{9}}$

Step-by-step explanation:

$\underline{+\left\{\begin{array}{ccc}x+3y=1\\2x-3y=-30\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad3x=-29\qquad\text{divide both sides by 3}\\.\qquad x=-\dfrac{29}{3}\\\\\text{put the value of x to the first equation}\\\\-\dfrac{29}{3}+3y=1\qquad\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup^1\cdot\left(-\dfrac{29}{3\!\!\!\!\diagup_1}\right)+(3)(3y)=(3)(1)\\\\-29+9y=3\qquad\text{add 29 to both sides}\\\\9y=32\qquad\text{divide both sides by 9}\\\\y=\dfrac{32}{9}$

8 0

3 years ago

13×[4 (10^3)+2(10^2)+6(10^-1)

notka56 [123]

Answer:13(4200+6*10-)

Step-by-step explanation:

5 0

3 years ago

Find the distance between each pair of points. Round when needed to the nearest tenth. P (2, -1), Q (10, – 7)​

Find the distance between each pair of points. Round when needed to the nearest tenth. P (2, -1), Q (10, – 7)