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3 years ago

I need the corresponding letters on the equation. A= B= C= D= E= F= G=

Mathematics

1 answer:

REY [17]3 years ago

8 0

Answer:

A = 3

B = 1

C = 2

D = 10

E = 2

F = Not listed

G = 1

Step-by-step explanation:

$\sqrt[3]{270x^5y^7} =\sqrt[3]{27*10x^5y^7}=3xy^2\sqrt[3]{10x^2y}$

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Brady rode his bike 70miles in 4 hours. He rode at an average speed of 17 mph for t hours and at an average speed of 22mph for t

sladkih [1.3K]

Answer:

The Distance cover by Brandy rod at slower speed of bike is 61.2 miles .

Step-by-step explanation:

Given as :

The total distance cover by Brady rode with bike = d = 70 miles

The total time taken by Brady rode with bike = 4 hours

The time taken for average speed of 17 mph = t hours

Let The time taken for average speed of 22 mph = (4 - t) hours

Let The distance cover for slower speed = d miles

<u>Now, From formula </u>

Distance = speed × time

So, Total distance cover = distance at slower speed + distance at faster speed

Or, 70 miles = 17 mph × t hours + 22 mph × (4 - t) hours

Or, 70 = 17 t + 22 × 4 - 22 × t

or, 70 = 88 + 17 t - 22 t

or, 22 t - 17 t = 88 - 70

or, 5 t = 18

∴ t = $\dfrac{18}{5}$

i.e t = 3.6 hours

So, The time taken for average speed of 17 mph = t = 3.6 hours

And The time taken for average speed of 22 mph = (4 - 3.6) = 0.4 hour

So, Distance cover at slower speed = slower speed × time at slower speed

i.e d = 17 mph × 3.6 h

Or, d = 61.2 miles

So, Distance cover at slower speed = d = 61.2 miles

Hence, The Distance cover by Brandy rod at slower speed of bike is 61.2 miles . Answer

4 0

3 years ago

Factoring polynomials

Anton [14]

That's not a question, so idk what you need me to answer.. sorry

3 0

3 years ago

PLEASE HELP ASAP

BigorU [14]

Answer:

$\frac{100}{274}$ or $\frac{50}{173}$ are not boxcars

Step-by-step explanation:

4 0

3 years ago

2^5/4=2^5/2^a=2^b=c please help

Rudiy27

You just need to equate the expressions to find the values for a,b and c. First, let's settle that 2^5/4=8, and 8 is 2^3. Also, an important tool here is the indicie rule:
$\frac{ a^{m} }{ a^{n} } = a^{m-n}$
1st expression: 2^5/4=8
2nd expression: It tells us that 2^5/2^a=2^3 (I know that this equals to 8 as all the expressions are equal therefore is the same as our first expression). Using the indicie law, this means that a=2
3rd expression: 2^b must equal to 8 as well, so b=3
4th expression: c=8 as all of the other expressions we have figured out equal to 8
So a=2, b=3 and c=8

6 0

3 years ago

Show your work <br> 2x+y=-4;5x+3y=-6

miss Akunina [59]

Answer:

x = -6

y = 8

Step-by-step explanation:

Using substitution method.

2x + y = -4 -----------(I)

y = - 4 - 2x -----------(II)

5x + 3y = -6 -------------------(III)

Substitute y = -4 -2x in equation (III)

5x + 3(-4-2x) = - 6

5x - 12 - 6x = -6

5x - 6x - 12 = -6

Combine like terms

-x - 12 = -6 {Add 12 to both sides}

-x = -6 + 12

-x = 6 {Multiply by (-1)}

x = -6

Substitute x = -6 in equation (II)

y = - 4 - 2*(-6)

= -4 + 12

y = 8

4 0

3 years ago