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densk [106]
3 years ago
13

I need help on this simple problem

Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
8 0

Answer:

AB = 6

Step-by-step explanation:

Since AB is parallel to CD the lengths would be the same amount.

Vinil7 [7]3 years ago
8 0

Answer:

AB = 8

Step-by-step explanation:

ΔABE and ΔDCE are similar hence the ratios of corresponding sides are equal, that is

\frac{AB}{DC} = \frac{BE}{CE}, so

\frac{AB}{6} = \frac{4}{3} ( cross- multiply )

3AB = 24 ( divide both sides by 3 )

AB = 8

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If f and g are functions of time, and at time t = 2, f equals 5 and is rising at a rate of 6 units per second, and g equals 7 an
Yuliya22 [10]

Answer:

f/g at t =3 will be 9/8

d/ddx(f(x)/g(x))=f'(x)d(x)-f(x)g'(x)/(g'(x))^2

rate of change=(6*8)+(9*9)/9^2

rate of change =43/27=1.5925

8 0
3 years ago
Read 2 more answers
Zapisz w jak najprostszej postaci:<br> a) -x-4(1-x)<br> b) 3(5x-2)-5(3-4x)<br> c) √2(3-x)-2(1-x√2)
Sonja [21]

Answer:

Step-by-step explanation:

a) -x-4(1-x)  =

− 2 x −4 ( 1 − x ) .

2 x − 4

b) 3(5x-2)-5(3-4x)  =

3 ⋅ (5 x − 2 ) − 5 ⋅ ( 5 − 4 x )

35 x  −  31

c) √2(3-x)-2(1-x√2) =

√ 2 x ⋅ ( 3 −x ) − 2 ⋅( 1 − x √ 2 ) .

2 x √ 2 + 3 √ 2 x -√ 2 x x − 2

4 0
3 years ago
What’s the equation equal
dexar [7]

Answer:

x = 0

Step-by-step explanation:

Given

9 + 5x = 9 + 2x ( subtract 2x from both sides )

9 + 3x = 9 ( subtract 9 from both sides )

3x = 0 ⇒ x = 0

4 0
4 years ago
Read 2 more answers
FILL IN THE BLANK:
faust18 [17]

Answer:

reverse

Step-by-step explanation:

When you multiply or divide on one side of an inequaltiy, you have to mirror it on the other side and you have to reverse the inequality sign.

4 0
3 years ago
Select the correct answer. Which line has a y-intercept of 2 and an x-intercept of -3? W. X. Y. Z. A. W B. X C. Y D. Z
oksano4ka [1.4K]

Answer:

y = -\frac{2}{3}x + 2

Step-by-step explanation:

The question is incomplete, as the graphs or equations of the lines are not given.

However, I will give a general explanation of calculating both intercepts

A linear equation is of the form:

y = mx + b

Where:

b \to y intercept

So, the equation

y = -\frac{2}{3}x + 2

has 2 as its y-intercept

Set y to 0, to calculate the x-intercept

0 = -\frac{2}{3}x + 2

Collect like terms

\frac{2}{3}x = 2

Multiply by 3/2

x = 2 * \frac{3}{2}

x = 3

So, the equation with the required criteria is:

y = -\frac{2}{3}x + 2

8 0
3 years ago
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