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pychu [463]
3 years ago
14

I need help on both these answer pls someone

Mathematics
1 answer:
Strike441 [17]3 years ago
6 0

Answer:

1) 3(12-1)

2) 33

Step-by-step explanation:

times means multiplication and difference of means subtraction

you do first because of the parenthesis 21-1 equals 11

and then multiply 11 by 3 which is 33

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5
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Michaela caught 3 fish, which weigh a total 19 1/2 pounds. One fish weighs 7 5/8 pounds and another weighs 5 3/4 pounds. How muc
algol13
Find a common denominator for 2,4,8. Which is 8. Change the fractions to new ones.

1) 19 4/8= 156/8 Then add the second. 2) 7 5/8= 61/8 one and the third
3) 5 6/8= 46/8 one. Which is

15/8. Then, subtract your answer and the first one. You get 141. Simplify. 17 5/8

6 0
4 years ago
Read 2 more answers
Please solve with explanation
photoshop1234 [79]

Answer:

Below in bold.

Step-by-step explanation:

If the 3 points are on the circle with the given center then the distance from each point to the center will all be equal. This distance will be the radius of the circle.

Distance  of P (2, 5) from the center (4, 2)

= √( (5-2)^2 + (2-4)^2)

= √(9 + 4)

= √13.

For Q (6, -1)this distance is:

= √(6-4)^2 + (-1-2)^2)

= √13.

For R (7, 4) his distance is:

= √(7-4)^2 + (4-2)^2)

= √13

These distances are the same so the points P, Q and R lie on the circle.

The midpoint of PQ

= (2+6)/2 , (5 - 1)/2

= (4, 2).

Which is the center so this verifies the second part.

6 0
2 years ago
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The end points of a diameter of a circle are (-6,2) and (10,-2). What are the coordinates of the center of the circle?
lozanna [386]

Check the picture below.

if we know the endpoints of the circle, then its center must be the midpoint of those two endpoints.

\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ (\stackrel{x_1}{-6}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{10}~,~\stackrel{y_2}{-2}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{10-6}{2}~~,~~\cfrac{-2+2}{2} \right)\implies \left( \cfrac{4}{2}~~,~~\cfrac{0}{2} \right)\implies (2~~,~~0)

4 0
4 years ago
What is the distance between points (3.3) and Wc-2, -3)<br> Round to the nearest tenth if necessary.
Ivahew [28]

Answer:

7.81 u

Step-by-step explanation:

<u>Given :- </u>

  • Two points (3,3) and (-2,-3) is given to us.

And we need to find out the distance between the two points . So , here we can use the distance formula to find out the distance. As,

:\implies D = √{(x2-x1)² + (y2-y1)²}

:\implies D =√[ (3+2)² +(-3-3)²]

:\implies D =√[ 5² +6²]

:\implies D =√[ 25 +36]

:\implies D = 61

:\implies D = 7.81

<h3>Hence the distance between the two points is 7.81 units .</h3>
8 0
3 years ago
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