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Sholpan [36]
3 years ago
15

Can someone help me, can you give me the answer and explanation.

Mathematics
2 answers:
Korvikt [17]3 years ago
7 0

Answer:

B

Step-by-step explanation:

you add 3 plus 2 which gives you 5

then it said one red marble which is 2/5 then it said another one which is 1/4

2/5 times 1/4 equals 1/10

amm18123 years ago
7 0
B




i think ;)





stay safe
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The average number of units earned per semester by college students is suspected to be rising. A researcher at Calendula College
stepan [7]

Answer:

The number of units earned by Calendula College students during the spring term.

Step-by-step explanation: hope this helps :)

5 0
3 years ago
WILL MAKE THE BRAINLIEST     A pattern on a quilt is made up of pieces of fabric in the shape of parallelograms. One piece of fa
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The <span>piece of fabric  is </span>26.24cm squared 
8 0
3 years ago
The diameter of a circle if five times the length of a recatngle. The length of a rectangle is three times the width of the rect
Leno4ka [110]

Answer:

706.5 ft²

Step-by-step explanation:

A. Width of the rectangle

The formula for the area of a rectangle is

A = lw

But, l = 3w, so,

A = (3w)w

= 3w² = 12

      w² = 4         Divided each side by 3

      w   = 2 ft     Took the square root of each side

B. Length of rectangle

l = 3w = 6 ft

C. Diameter of circle

d = 5l = 5 × 6 = 30 ft

D. Radius of circle

d = 2r

r = d/2     Divided each side by 2

r = 30/2 = 15 ft

E. Area of circle

A = πr² = 3.14 × 15² = 3.14 × 225 = 706.5 ft²

The area of the circle is 706.5 ft².

8 0
4 years ago
Find the coordinates of the circumcenter for ∆DEF with coordinates D(1,3) E (8,3) and F(1,-5).
NemiM [27]

Let the coordinates of the circumcentre O of the triangle DEF be (x, y). Circumcentre of a triangle is equidistant from each of the vertices.

1. Distance OD=distance OE, then:

(x-1)^2+(y-3)^2=(x-8)^2+(y-3)^2.

2. Distance OD=distance OE, then:

(x-1)^2+(y-3)^2=(x-1)^2+(y+5)^2.

Solve the system:

\left\{\begin{array}{l}          (x-1)^2+(y-3)^2=(x-8)^2+(y-3)^2 \\          (x-1)^2+(y-3)^2=(x-1)^2+(y+5)^2         \end{array}\right.,

\left\{\begin{array}{l}          x^2-2x+1+y^2-6y+9=x^2-16x+64+y^2-6y+9 \\          x^2-2x+1+y^2-6y+9=x^2-2x+1+y^2+10y+25         \end{array}\right.,

\left\{\begin{array}{l}          14x=63 \\          -16y=16         \end{array}\right..

Then

x=\dfrac{63}{14} =\dfrac{9}{2} =4.5,\\  \\ y=-1.

Answer: the coordinates of the circumcenter for ∆DEF are x=4.5, y=-1.


5 0
4 years ago
Can you please help me with number 20 please
finlep [7]
About 405 hours
i got the answer by multiplying
hope this helped you!
3 0
3 years ago
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