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3 years ago

HELP FOR BRAINLIEST!!!!!

Mathematics

1 answer:

Hunter-Best [27]3 years ago

6 0

Since rational numbers are any number that can be made into a ratio, i believe all are correct. Normally, they'd be irrational by themselves, but multiplying them by 1/5 changes things.

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0.8y+0.25= -0.4 Solve for y

disa [49]

Answer:

y = -13/16

Step-by-step explanation:

Given:

0.8y+0.25= -0.4

To Find:

Solve for y

Solution:

Multiply both sides by 100

$0.8y\cdot \:100+0.25\cdot \:100=-0.4\cdot \:100$

Simplify

$80y+25=-40$

Subtract 25 from both sides

$80y+25-25=-40-25$

Simplify

$80y=-65$

Divide both sides by 80

$\frac{80y}{80}=\frac{-65}{80}$

Simplify

$y=-\frac{13}{16}$

Thus, y = -13/16

or in decimal form it equal y = -0.8125

~Lenvy~

7 0

2 years ago

Read 2 more answers

Solve 9(t-7)=u for t Show all solving steps.

Gwar [14]

$\begin{gathered}\\ \sf\longmapsto 9(t-7)=u\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 9t-63=u\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 9t=u+63\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto \frac{9t}{9}=\frac{u+63}{9}\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto t=\frac{u+63}{9} \end{gathered}$

$\begin{gathered}\\ \sf\longmapsto t=\frac{u}{9}+7\end{gathered}$

3 0

2 years ago

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WE THE PEOPLE of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provi

Inga [223]

Wt f...? Why must I ruin the constitution xD We da ppl of da USA, in order 2 form a more perfect union, establish da justice, insure domestic tranquility, provide for da common defense peeps, yo, I am so sorry, I cannot keep ruining the constitution

3 0

2 years ago

A buisness in the florida keys offers key west jet ski tours for the following rates:

Luden [163]

No, because 2 / 2 is not 3/4

7 0

3 years ago

Jake ate 4½ pounds of candy during the week after Halloween. How much candy did he eat per day on average.

ElenaW [278]

Answer: 9/14 of a pound each day.

Step-by-step explanation:

We can convert the mixed fraction into an improper fraction:

4 1/2 → 9/2

Now we divide by 7, since there are 7 days in a week:

9/2 ÷ 7

When we divide, by a number, it can be placed in the denominator:

9/2*7 = 9/14

There's no other way to simplify it, so that's our final answer.

8 0

2 years ago

Read 2 more answers