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Scorpion4ik [409]
3 years ago
11

Which expression iWhich expression is equivalent to x + 8 + 4x + 2x for all values of x?s equivalent to x + 8 + 4x + 2x for all

values of x?
Mathematics
1 answer:
NikAS [45]3 years ago
4 0

Answer:

A = l * w. We can substitute the expressions for length and width into the equation for area ... values in the formula for perimeter, we will get. P = 2l + 2w. P = 2(5)+2(3) P = 10+6 ... L = 18 cm. B = 7 cm. Perimeter of rectangle = 2(length + breadth) P = 2 (L + B) ... Total time taken = Total distance walked × time taken to walk 1m.

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PLEASE ANSWER THE BLANKS ASAP
Monica [59]

Answer:

Slope is 2/1x

Y- intercept = 12

Equation is y = 2x + 12

7 0
3 years ago
The volume V of a right‑circular cylinder is computed using the values d = 3.1 m for the diameter and h = 6.6 m for the height.
pantera1 [17]

Answer:

6%

Step-by-step explanation:

A function f(x) can by approximated at and around a point, say x = a by,

f(x) = f(a) + f'(a)(x-a)

where,  f'(x)=\frac{df}{dx}

Here, volume V is a function of radius r and height h. In the 2 dimensional case, we have to take the partial derivatives.

Given,

V=\pi r^2h

or, dV=\frac{\partial V }{\partial r}dr+ \frac{\partial V }{\partial h}dh

at r = 1.55 m and h = 6.6 m

dr=0.02\times1.55m=0.031m

dh=0.02\times6.6m=0.132m

\frac{\partial V }{\partial r}=2\pi r h=2\pi \times 1.55\times 6.6=64.277

\frac{\partial V }{\partial h}=\pi r^2=7.5477

Therefore, dV=(64.277\times.031)+(7.5477\times0.132)=2.9889m

Also, V=\pi r^2h=49.8147m

Hence, maximum error is given by,

R=\frac{2.9889}{49.8147} \times 100

= 6%

7 0
4 years ago
If Victor were to put apples in bags so that there were 2 kg in each, then he would use 9 more bags than if he were to place 3 k
Cerrena [4.2K]
Let the number of bags that he would have been used to put 3 kg of apples be x. Thus the number of bags that would be used to put 2kgs will therefore be (x+9), hence the total number of kgs the bags will hold will be given by:
3*x=3x kgs
2(x+9)=(2x+18) kgs
since the total weights are the same then:
2x+18=3x
hence
18=3x-2x
18=x
thus the number of bags required to put 3 kgs of apples will be 18. Thus the total Kgs of apples was:
3x
=3*18
=54 kgs
8 0
3 years ago
Read 2 more answers
Write the equation of the line that passes through the points (7,9) and
nevsk [136]

Step-by-step explanation:

9 = a7 + b

-2 = a9 + b

b = 9-7a and b = - 2-9a

9 - 7a = - 2-9a

2a = - 11

a = - 5.5

b = 9 - 5.5*7 = - 29.5

y = -5.5x - 29.5

5 0
3 years ago
What is the expanded form of .039
Nikitich [7]

Answer:

0.039

Step-by-step explanation:

Expanded Notation Form:

0.039 =

 0  

+   0.0

+   0.03

+   0.009

Expanded Factors Form:

   0.039 =

 0 × 1  

+ 0 ×   0.1

+ 3 ×   0.01

+ 9 ×   0.001

Expanded Exponential Form:

 0.039 =

0 × 100

+ 0 × 10-1

+ 3 × 10-2

+ 9 × 10-3

Those are the way you can express .039 in different expanded forms

Hope this helps

4 0
3 years ago
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