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3 years ago

Rewrite the expression in standard form5g • 7h2 • 4 • 5 • m •n

Mathematics

1 answer:

OverLord2011 [107]3 years ago

3 0

Answer: 35gh, 40mn

Step-by-step explanation:

You just multiply the numbers!

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The value of y varies directly with x If x equals 3 than y equals 21 what is the value of c when the value of y equals 105

mihalych1998 [28]

If y and x varies directly we can use a rule of 3 to find the missing x so:

$\begin{gathered} 3\to21 \\ x\to105 \end{gathered}$

and the equation will be:

$\begin{gathered} x=\frac{3\cdot105}{21} \\ x=15 \end{gathered}$

6 0

1 year ago

Please help if you know Math ASAP will mark Brainlest

vovangra [49]

Answer:

abdcdefghjiklmnopqrstuvwxyz

6 0

3 years ago

Arie has 46$ in his account and is saving 8.50 each week Olga has 14$ in her savings account and is saving 12.50 each week after

victus00 [196]

Answer:

After 8 weeks Arie and Olga will have the same amount in their accounts

Step-by-step explanation:

Assume that Arie and Olga will have the same amount in their accounts after w weeks

∵ Arie has $46 in his account

∵ He is saving $8.50 each week

∵ He will do that for w weeks

- To find his amount after w weeks add 46 to the product of

w and 8.50

∴ Arie's amount = 8.50 w + 46

∵ Olga has $14 in her savings account

∵ She is saving $12.50 each week

∵ She will do that for w weeks

- To find her amount after w weeks add 14 to the product of

w and 12.50

∴ Olga's amount = 12.50 w + 14

∵ They will have the same amount in w weeks

- Equate their amounts

∴ 12.50 w + 14 = 8.50 w + 46

- Subtract 14 from both sides

∴ 12.50 w = 8.50 w + 32

- Subtract 8.50 w from both sides

∴ 4 w = 32

- Divide both sides by 4

∴ w = 8

After 8 weeks Arie and Olga will have the same amount in their accounts

4 0

3 years ago

4X^2 - 8X + 4<br> - (2x^2 - 3X + 7 =

kykrilka [37]

I assume the way it's written is like this

4x^2 - 8x + 4 - (2x^2 - 3x + 7)

If that's the case, just combine like terms.

Let's begin with 4x^2. It has the same components as the -2x^2 (remember, since it's being subtracted in the original equation, the number is negative.)

4x^2 - 2x^2 = 2x^2

Now -8x and 3x (be careful, sometimes there's a minus sign in and out of the parentheses, this makes the number positive again

-8x + 3x = -5x

And then 4 and -7

4 - 7 = -3

So the simplified version is finally:

2x^2 - 5x - 3

Hope this helped! If you need me to explain anything, don't be afraid to ask.

5 0

3 years ago

Plz help me ASAP it’s important

Hunter-Best [27]

Answer:

D. 6.3

Step-by-step explanation:

Well you can make a triangle with the line PQ with it's height as 2 and base as 6.

Then you can use the Pythagorean Theorem to find the length of PQ.

a²+b²=c²

2²+6²=c²

4+36=c²

40=c²

c²=40

<em>Square root both sides</em>

c= $\sqrt{40}$

c≈6.3

Our answer is D. 6.3

5 0

4 years ago

Rewrite the expression in standard form5g • 7h2 • 4 • 5 • m •n​

Rewrite the expression in standard form5g • 7h2 • 4 • 5 • m •n