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rusak2 [61]
3 years ago
7

Please help i will give extra points

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

Answer:

-63

Step-by-step explanation:

(-25+4^2) * 7

(-25+16) * 7

-9*7=-63

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A small craft in lake Ontario sends out a distances signal. The coordinates of the boat in trouble are (57,64). One rescue boat
KatRina [158]

Answer:

The coast guard craft will get to the distressed boat the fastest.

Step-by-step explanation:

The coordinates of boat are (57,64).

The coordinates of rescue boat are (67,83).

The  coordinates of coast guard craft are (65,46).

Both rescue crafts travel at the same rate. One of them will get to the distressed boat the faster, whose distance from the boat is least.

Distance formula:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

The distance between boat and rescue boat is

d_1=\sqrt{(67-57)^2+(83-64)^2}=21.4709105536\approx 21.47

The distance between boat and coast guard craft is

d_2=\sqrt{(65-57)^2+(46-64)^2}=19.6977156036\approx 19.70

Since the distance between boat and coast guard craft is least, therefore coast guard craft will get to the distressed boat the fastest.

6 0
3 years ago
The weight of water in a person’s body varies directly as his/her body weight. The body of 170-lb person contains about 119-lb o
NeTakaya

Answer:

119-50 pounds = 69 so 169 pounds -step explanation: blood= weight (k)

Step-by-step explanation:

y=kx

2

4.6 = 170k

finding the constant of variation

3

k= 0.02875

4

equation relates quarts of blood to weight

5

RESULT

4.6 = 170k

y= 0.02875x

y= 0.02875(175)= 5.03125

6 0
3 years ago
Read 2 more answers
()+()+()+()+()=30
Iteru [2.4K]
<span>There are 5 boxes, where we have to put given numbers. Addition of 5 odd numbers always gives an odd number result. 30 is an even number. So there is no combination of given numbers which can give you 30 as a result. 
</span>
3 0
3 years ago
Which statements are true about the ordered pair (7, 19) and the system of equations?
likoan [24]

Answer:

(7,19) is a solution for only the first equation (2x-y= -5), so it is not a solution to the systemmmm

Step-by-step explanation:

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8 0
3 years ago
Is this correct? If it isn’t can you tell me the right one? <br><br><br> PLEASE HELP!!!!
Blizzard [7]
What’s the question
3 0
4 years ago
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