3 years ago

-3x^8/7x^4*-6x/2x^2 please help

Mathematics

1 answer:

photoshop1234 [79]3 years ago

4 0

Answer:

= 9x^15/7

Step-by-step explanation:

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Write the equation of the line that passes through the points (2,5) and (3, 10)

mihalych1998 [28]

Answer:

y = 5x-5

Step-by-step explanation:

First find the slope

m = ( y2-y1)/(x2-x1)

= ( 10-5)/(3-2)

= 5/1

Using slope intercept form

y = mx+b

y = 5x+b

Substituting a point into the equation

5 = 5*2+b

5 = 10+b

Solving for b

5-10 = b

-5 =b

y = 5x-5

7 0

3 years ago

Solve the equation or formula for the indicated variable.<br> T=4u/e for u

Tomtit [17]

Answer:

$\frac{d T}{d u} =\frac{4}{e}$

Step-by-step explanation:

<u>Step 1:-</u>

Given equation is $T=\frac{4 u}{e}$ .....(1)

Given the given function y=x

by using formula $\frac{d y}{d x} = 1$

Differentiating partially with respective to 'u'

$\frac{d T}{d u} = \frac{4}{e}$

<u>Final answer </u>:-

$\frac{d T}{d u} = \frac{4}{e}$

4 0

4 years ago

Send help send help send help

Dmitry [639]

The second is the correct one

8 0

3 years ago

Sally wants to find out what number is 165% of 340. If w represents this unknown number, which proportion can Sally use to find

Mariana [72]

165/100 x 340 = w
56100/100 = w
w = 561

5 0

3 years ago

Read 2 more answers

My calculator does not have a 3 key that works! How can I use this broken calculator to do 23 x 45.

erik [133]

<h3><u>Solution:-</u></h3>

$\longrightarrow$ This problem can be tackled by using distributive property of multiplication .

It states for any three numbers a,b and c

$\green{ \underline { \boxed{ \sf{(a±b)\times c = a \times c±b\times c}}}}$

<u>Similarly</u>,

$\quad$ 23 × 45

$\longrightarrow$ (21+2) ×45

$\longrightarrow$ 21×45+2×45

$\longrightarrow$ 945 + 90

$\longrightarrow$ 1035

It can also be done as-

$\quad$ 23 × 45

$\longrightarrow$ (25-2) ×45

$\longrightarrow$ 25×45-2×45

$\longrightarrow$ 1125-90

$\longrightarrow$ 1035

3 0

2 years ago