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xxTIMURxx [149]
3 years ago
5

Simplify the expression: 4(10 + 6u)

Mathematics
2 answers:
LUCKY_DIMON [66]3 years ago
8 0
The answer to this question 24u+10
Marianna [84]3 years ago
7 0

Answer:

24u + 10

Step-by-step explanation:

first rearrange the terms

4(10+6u)

4(6u+10)

then distribute the 4

4(6u) = 24u

4(10) = 10

then you get 24u + 10

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Please help me!
BaLLatris [955]

Answer:

a) 20 minutes

b) 36 km/h

c) 33.67 km

d) continuous driving without any stationary phases.

Step-by-step explanation:

by the way, speed is specified in distance per time unit. in your example as km/h. and that is how your write this.

not km/h¯¹. that would be wrong, as that would actually be km×h. but you can write e.g. km×h¯¹. that is the same as km/h.

between minutes 5 and 25 there is no progress in distance. so, for these 20 minutes the bus was stationary.

in the first 5 minutes the bus drove 7-4=3 km.

so, in 5 minutes 3 km. to determine the speed we need to calculate up to see, how many km would be have driven in a full hour (60 minutes). the same factor for the time has then to be applied also to the distance to keep the ratio unchanged.

5 × x = 60

x = 12

3 × 12 = 36

so, the speed in these first 5 minutes was 3 km/5 min.

or then in km/h : 36 km/h

between the minutes 25 and 45 the bus drove with a speed of 80km/h.

and the starting point there was at 7 km.

so, the bus drove s-7 km in 20 minutes.

as before, let's first find the scaling factor to deal with a full hour instead of only 20 minutes.

20 × x = 60

x = 3

as before : distance × scaling factor = distance for km/h

(s-7) × 3 = 80

3s - 21 = 80

3s = 101

s = 33.666666666... km

8 0
3 years ago
D
SashulF [63]

Answer:

A. 0

General Formulas and Concepts:

<u>Pre-Algebra </u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I </u>

  • Function Notation

<u>Pre-Calculus </u>

  • Unit Circle

<u>Calculus </u>

  • Derivatives
  • Derivative Notation
  • Derivative of csc(x) = \frac{d}{dx} [csc(x)] = -csc(x)cot(x)

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\frac{d}{dx} [csc(x)]\\x = \frac{3 \pi}{2}<u />

<u />

<u>Step 2: Differentiate</u>

  1. Differentiate:                     \frac{d}{dx} [csc(x)] = -csc(x)cot(x)

<u>Step 3: Evaluate</u>

  1. Substitute in <em>x</em>:                    -csc(\frac{3 \pi}{2} )cot(\frac{3 \pi}{2} )
  2. Evaluate:                             0
6 0
2 years ago
4(x-5)=18 what does x equal
aliya0001 [1]

Answer:

x = 9.5

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Match the y coordinate with coo responding pairs of x
Anika [276]
<h3>Answer:</h3><h3>◎ See the attachment photo. </h3>

<h3>◎ Don't forget to thanks</h3><h3>◎ Mark as brainlist. </h3>

6 0
2 years ago
At a hockey game a vender sold a combined total of 105 sodas and hot dogs. The number of sodas sold was 39 more than the number
yKpoI14uk [10]

Answer:

<em>Hot dog sold = 33</em>

<em>Sodas Sold = 72</em>

Step-by-step explanation:

<u><em>Given:</em></u>

<em>At a hockey game a vender sold a combined total of 105 sodas and hot dogs. The number of sodas sold was 39 more than the number of hot dogs sold</em>

<u><em>To Find:</em></u>

<em>Number of soda/hot dog sold</em>

<u><em>Solve:</em></u>

<em>h + ( 39 + h ) = 105</em>

<em>h + 39 + h = 105</em>

<em>2h + 39  = 105</em>

<em>h + 19.5 = 52.5</em>

<em>h = 52.5 - 19.5 </em>

<em>This as a system does not use any inequality. "39 more than" means, +39.</em>

<em>h = 33    meaning    d= 72</em>

<em />

<em>Add to check Answer:</em>

<em>33 + 72 = 105</em>

<em>Thus,</em>

<em>Hot dog sold = 33</em>

<em>Sodas Sold = 72</em>

<em />

<u><em>Kavinsky </em></u>

3 0
1 year ago
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