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2 years ago

5

A drawing contains 5 circles, 8 triangles, and 6 squares. What is the ratio of triangles to circles? Write the ratio using a fra

ction.

1 answer:

zavuch27 [327]2 years ago

4 0

Answer:

8:5 or 8/5

Step-by-step explanation:

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Divided it by 7 and added 25. the result was 34 what was my number?

AfilCa [17]

Answer:63

Step-by-step explanation:

63/7+25=34

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2 years ago

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Write the series using summation notation. Then find the sum of the series.

ivolga24 [154]

Hello, please consider the following.

$\displaystyle 1+2+3+...+12=\sum_{k=1}^{k=12} {k}=\dfrac{12*13}{2}=6*13=78$

For the second we will need to put on the same denominator.

$\displaystyle \dfrac{1}{2}+\dfrac{1}{4}+...+\dfrac{1}{14}=\sum_{k=1}^{k=7} {\dfrac{1}{2k}}\\\\=\dfrac{1}{2}\dfrac{420+210+140+105+84+70+60}{5*7*3*2*2}\\\\=\dfrac{1}{2}\dfrac{1089}{420}\\\\=\dfrac{1089}{840}=1.296429...$

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2 years ago

Antony is flipping a coin and rolling a standard number cube (dice).

Flura [38]

Theres a 50/50 chance

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2 years ago

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The age of a father is three times that of his son. In ten year's time their ages will add up to 68 years. If the son is x years

Elodia [21]

Answer:

46 and 22

Step-by-step explanation:

let the father b (f) and d son is (s)

so

f=3s.....(1)

(f+10) +(s+10)=68 .... (2)

substitute f=3s in equation (2)

we have

(3s+10)+(s+10)=68

4s+20=68

4s=68-20

4s=48

s=12 .......(3)

substitute (3) in (1)

f=3*12

which f=36

in 10 year time

f+10 =46

s+10=22

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1 year ago

Find the midpoint of the line segment with end coordinates of: (-2, -4) and (2, -10)

kvasek [131]

Answer:

(0,-7)

Step-by-step explanation:

if you need to plot a coordinate you should put them into desmos

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2 years ago