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yaroslaw [1]
2 years ago
11

Pls help i will give brainliest:

Mathematics
2 answers:
kobusy [5.1K]2 years ago
7 0

Answer:

Its D

Step-by-step explanation:

crimeas [40]2 years ago
7 0

Answer:

Negative" (और इसके आगे के शब्दों) को अनदेखा कर दिया गया है क्योंकि हम क्वेरी को 32 शब्दों तक सीमित रखते हैं.

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A moving trailer with a speed of 70km/h slows down its speed by 15% within 30 seconds. calculate the declaration of the trailer.
antoniya [11.8K]

Answer:

declaration = - 0.55 m/s²

Step-by-step explanation:

The declaration is a negative accelaration.

Therefore:

a = \frac{v-u}{t}

a      = ?

v      = 70 of 15% = 10.5 km/h to m/s = 2.9 m/s

u = 70 km/h to m/s = 19.4 m/s

t = 30 seconds

a = \frac{2.9-19.4}{30}\\

a = - 0.55 m/s²

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=3x%2B9%2B2x%3Dx-2x-3" id="TexFormula1" title="3x+9+2x=x-2x-3" alt="3x+9+2x=x-2x-3" align="absm
V125BC [204]

Answer:

Step-by-step explanation:

Equation

3x + 9 + 2x = x - 2x - 3              

Solution

Combine all the like terms.

3x+2x+9 =  x - 2x - 3

5x + 9 = -x - 3                            Add x to both sides of the equation

5x+x +9 = -x+x -3                      Combine

6x + 9 = - 3                                Subtract 9 from both sides of the equation

6x+9-9 = - 3-9                           Combine

6x = -12                                      Divide both sides by 6

6x/6 = -12/6

x = - 2

Answer x = - 2

3 0
2 years ago
Read 2 more answers
PLS HELP ILL GIVE BRAINLEIST !!!!!!
lana66690 [7]

Answer:

y=3x+2

Step-by-step explanation:

For a the equation is y=3x+2 because he makes 3 every hour (3x) and he already has 2 (+2).

For the graph you replace x with any number and solve. Plot the point.

Then you do it again but with a different x.

Finally you draw a straight line trough the 2 points.

6 0
3 years ago
Will give brain list!!! I need helppp! And show workk
Debora [2.8K]

Answer:

Dude! Stop telling people to do your work on DeltaMath

Step-by-step explanation:

6 0
3 years ago
Jenny bought a pair of pants for $19.99 and two shirts for $7.50 each. If she gave the cashier $40.00, how much change did she r
kumpel [21]

19.99 + 15= 34.99

40-34.99 = 12.51

Jenny received $5.01 change.

3 0
2 years ago
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