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Dvinal [7]
3 years ago
12

Rewrite the expression in the form 2n​

Mathematics
1 answer:
SashulF [63]3 years ago
5 0

Answer:

two times a number

Step-by-step explanation:

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A school system is reducing the amount of dumpster loads of trash removed each week. In week 5, there were 60 dumpster loads of
Lana71 [14]

Answer:

f(x) = -4x + 80

Step-by-step explanation:

You are given two points,

(5, 60) and (10, 40)

in order to get the equation, let's use the form slope-intercept form

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

m = (60 - 40) / (5 - 10)

m = 20/-5

m = -4

Get the x intercept

y = mx + b

60 = (-4)(5) + b

b = 60+20

b = 80

so the equation is

y = -4x + 80

f(x) = -4x + 80

5 0
2 years ago
2x + 3x + 5 =<br><br>I need the answer asap​
madam [21]
In simplified form it is 5x+5
4 0
2 years ago
What fraction of 20 is 18?
Vera_Pavlovna [14]

Remark

You have to read this carefully to know what way to write it.

One way you could write it would be

20 * x = 18 where x is  the fraction. Now all you need do is divide.

Divide both sides by 20

20/20 * x = 18/20

\text{x = } \dfrac{18}{20}

But you should reduce this fraction. The way to do that is to factor 18 and 20 into primes.

18: 2 * 3 * 3

20: 2 * 2 *5

Cancel out the Highest common factor or 2.

You are left with

\text{x = } \dfrac{18}{20} =\dfrac{2*3*3}{2*2*5}=\dfrac{3*3}{2*5} = \dfrac{9}{10} <<<< Answer

4 0
3 years ago
Read 2 more answers
Volume of cylinder pi 3.14 r 8mm h 42mm
ad-work [718]

Answer:

V≈8.44×10-6m³

r Radius

mm

h Height

mm

Unit Conversion:

r=8×10-3m

h=0.042m

Solution

V=πr2h=π·8×10-32·0.042≈8.4446×10-6m³

Step-by-step explanation:

6 0
3 years ago
Regular triangular pyramid has the slant height k=12 cm and lateral area AL = 198 cm2. Find the length of the base edge.
KATRIN_1 [288]
To find this answer you will use the formula for finding the area of the triangle because that shape is a triangle.  

A = 1/2 bh
198 = 1/2 x b x 12
198 = 6b
b = 33 cm

We know the total area and we know the slant height is 12 cm so we substitute these in and solve for h.

The length of the base edge is 33 cm.  You should substitute this back in to check.

1/2 x 33 x 12 = 198 square cm.
6 0
3 years ago
Read 2 more answers
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