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garik1379 [7]
3 years ago
10

How do you solve the questions Plzzzzz I really need help

Mathematics
1 answer:
bixtya [17]3 years ago
4 0

Answer:

The answers are given in step-by-step explanation

Step-by-step explanation:

In question 4,

Elina walked 12 miles then she walked 0.25 that distance.

We have to find the distance she walked

Distance=12+0.25 of that distance

              = 12+0.25(12)

              = 12(1+0.25)=12\times 1.25=15 miles

Hence, A, B, and C are correct

In question 5,

Given circumference is 600 m

we have to find the good approximation area of circle

circumference = 600 m

2\pi \times r=600

\pi \times r=300 ⇒ r=95.49

Area of circle is \pi \times r^2

                       = (3.14)(95.49)^2=28631.587914m^2

Hence, the good approximation area of circle is 30,000 m^2

In question 6,

Given d=3t where d represents the distance between the snail and rock in inches and t represents the time in minutes.

Number 3 represents that distance between snail and certain rock is 3 times that of time.

given distance is 9 inches we have to find the time i.e d=3t ⇒ 9=3t ⇒ t=3 minutes.

Hence, will be 3 minutes when snail is 9 inches far from certain rock.

Now, times given 9 minutes we have to find the distance, d=3t=3(9)=27 inches.

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g100num [7]

Answer: 3/14

Step-by-step explanation: you just multiply?

6 0
3 years ago
The sum of three consecutive integers is -30. find the integers.
slega [8]
Consecutive integers are one apart from each tother
they are
x,x+1,x+2

sum is -30
x+x+1+x+2=-30
3x+3=-30
minus 3 both sides
3x=-33
divide 3
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find rest
x+1=-11+1=-10
x+2=-11+2=-9

they are
-9,-10,-11
5 0
3 years ago
Find the vertex of f(x) = -x² + 2x + 7​
baherus [9]

Answer: There are no like terms.

Answer:=−x^2+2x+7

Step-by-step explanation: Hope this help :D

6 0
2 years ago
Read 2 more answers
Polygon ABCD is defined by the points A(-4,2) B(-2, 4), C(1, 3) & D(2,2). Match the coordinates of the points of the transfo
dalvyx [7]

Answer:

D'(-2, 2); C''(3, -1); A'''(4, -2); and B''(4, 2)

Step-by-step explanation:

See attachment for the figure.

<u>For D'</u>, rotating the point (2, 2) 90° counterclockwise. This maps each point (x, y)→(-y, x); it takes (2, 2)→(-2, 2).  

For C'', rotating the point (1, 3) 90° clockwise.  This maps each point (x, y)→(y, -x); it takes (1, 3)→(3, -1).

For A''', rotating the point (-4, 2) 180° clockwise.  This maps every point (x, y)→(-x, -y); it takes (-4, 2)→(4, -2).

For B'', rotating the point (-2, 4) 270° counterclockwise.  This is the similar as rotating the point 90° clockwise.  This maps every point (x, y)→(y, -x); it takes (-2, 4)→(4, 2).

8 0
3 years ago
Sheila has a bag of 40 marbles. 10 of them are blue, 12 of them are green and the rest of them are red. What is the probability
Schach [20]

Answer:

18

Step-by-step explanation:

8 0
2 years ago
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