Write in word form 7x10,000+5x10+4x1

Mathematics

2 answers:

Alex787 [66]3 years ago

6 0

Seven times ten thousand plus five times ten plus four times 1

castortr0y [4]3 years ago

4 0

seven times ten thousand plus five times ten plus four times one

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If 3:y=18:24 find y.

VashaNatasha [74]

y = 4

Explanation: $\begin{gathered} 3\text{ : y = 18 : 24} \\ 3\colon y\text{ = }\frac{3}{y} \\ 18\colon24\text{ = }\frac{18}{24} \end{gathered}$ $\begin{gathered} \frac{3}{y}\text{ = }\frac{18}{24} \\ \text{cross mult}iply\colon \\ 3(24)\text{ = y(18)} \\ \text{divide both sides by 18:} \\ \frac{3(24)}{18}\text{ = }\frac{18y}{18} \end{gathered}$ $\begin{gathered} y\text{ = }\frac{24}{6} \\ y\text{ = 4} \end{gathered}$

7 0

1 year ago

Alan used 9 as an estimate for 3 7/10 + 5 4/10. He added and got 9 1/10 for the actual sum. Is his answer reasonable?

Len [333]

Answer:Yes, he is answer is reasonable

Step-by-step explanation:

First, you plus 3 7/10 with 5 4/8.

Then , when you get 8 11/10 you do add mixed number.

Finally, you get the answer that is 9 1/10

3 0

3 years ago

Please help ASAP it’s due in a few minutes.