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belka [17]
2 years ago
10

the ratio of adults to children attending a new exhibit at the museum was found to be 8:5. based on this ratio if 390 people att

ended one day how many would be children
Mathematics
1 answer:
LenaWriter [7]2 years ago
5 0

999

why becuase thats the answer mine had

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The speed of a boat in still water is 10 km/hr. If it can travel 78 km downstream and 42 km upstream in the same time, the speed
OLga [1]

Answer:

umm let me look at this one more time then I will answer:)

6 0
2 years ago
Find the length of the third side. If necessary, write in simplest radical form.
Angelina_Jolie [31]

Answer:

the length of the missing side is 2

Step-by-step explanation:

Use a^2 + b^2 = c^2

a = 4

b = ?

c = 2sqrt5

4^2 + b^2 = (2sqrt5)^2

16 + b^2 = 20

subtract 16 from both sides

b^2 = 4

take the sqrt of both sides

b = 2

3 0
2 years ago
Read 2 more answers
Find the equation of the line which passes through the point
sammy [17]

Answer:

y= \frac{1}{5}x- \frac{56}{5}

Step-by-step explanation:

We want to find the equation of the line that goes through: !6,-10) and is perpendicular to the line

5x + 3y = 2y - 3

Let's simplify the equation of the line to get:

3y - 2y = - 5x + 3

y = - 5x + 3

The slope of this line is -5.

The perpendicular to this line has a slope of

\frac{1}{5}

The equation going through (6,-10) is

y=m(x-x_1)+y_1

We substitute to get;

y= \frac{1}{5} (x-6) - 10

Expand;

y= \frac{1}{5}x- \frac{6}{5}  - 10

y= \frac{1}{5}x- \frac{56}{5}

7 0
2 years ago
Solve the equation.<br> 8-2x = -8x + 14<br> x = -1<br> x=-3:5<br> x=3/5<br> X= 1
kenny6666 [7]
X=1
8-2x=-8x+14
-2x=-8x+6
6x=6
x=1
5 0
2 years ago
A) What are the coordinates of the image of vertex G after a reflection across the line y = x?
Oksanka [162]

Answer:

b. (-5, 4)

Step-by-step explanation:

edge2020

3 0
2 years ago
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