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DIA [1.3K]
3 years ago
10

Help me with these questions

Mathematics
2 answers:
Gwar [14]3 years ago
6 0
#3 is 4:5:8
#4 is 5:3:10

I think those are the answers, hope that helped.
NISA [10]3 years ago
5 0
3. justin has to put 4 pencils in a group...which will make it 5 groups.. add 6 erasers n 10 paper clips in each group.. there will be 21 items in all group..and an extra eraser
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I need help factoring an equation. ​
Fudgin [204]

Answer:

30n^15

multiply exponents add reg numbers

8 0
2 years ago
The ratio of yellow shirts to green shirts in Ms. Grayson’s closet is 5:2. She has a total of 21 yellow and green shirts combine
VikaD [51]
15 yellow 6 green
5+2 equals 7
21 divided by 3 is 7
5x3=15
2x3=6

6 0
2 years ago
Trevor paints 1/6 of the fence. how many days will it take for him to paint 3/4 of it
Levart [38]
4 and a half days 

3/4 ÷ 1/6 =
3/4 × 6/1=
18/4= 
4.5 days

hope this helps :)
4 0
3 years ago
What is the length of a diagonal of a cube with a side length of 3 cm? cm cm cm cm
Evgen [1.6K]

Answer:

5.2cm

Step-by-step explanation:

4 0
3 years ago
the area of the triangle is 2/5 square foot the height is 6/5 ft. what is the length in feet of the base of the triangle?
olga55 [171]
\bf \textit{area of a triangle}\\\\
A=\cfrac{1}{2}bh~~
\begin{cases}
A=\frac{2}{5}\\\\
h=\frac{6}{5}
\end{cases}\implies \cfrac{2}{5}=\cfrac{1}{2}\left( b\cdot \cfrac{6}{5} \right)\implies \cfrac{2}{5}=\cfrac{6b}{10}
\\\\\\
\cfrac{20}{5}=6b\implies \cfrac{20}{30}=b\implies \cfrac{2}{3}=b
4 0
3 years ago
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