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TiliK225 [7]
3 years ago
14

Solve the following equation. Please round answer to the nearest tenth. 4x+4= -0.3x+3

Mathematics
2 answers:
sesenic [268]3 years ago
4 0

Answer:

x = - 0.2

Step-by-step explanation:

4x+4= -0.3x+3

4x + 0.3x +4= 3     Add 0.3x to both sides

4.3x + 4 = 3      Simplify

4.3x  = 3 - 4    Subtract 4 from both sides

4.3x  =  -1    Simplify

4.3x  =  -1    Divide by 4.3 to isolate the variable

x = - 0.2

guapka [62]3 years ago
4 0
I think this is the answer
X=-0.23255813
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the surface area of a cuboid is 95cm² and its lateral surface area is 63cm². find the area of its base​
wel

Answer:

The Area of the base is 16 cm² .

Step-by-step explanation:

Given as :

The surface area of the cuboid = x = 95 cm²

The lateral surface area of the cuboid = y = 63 cm²

Let The Area of the base = z cm²

Now, Let The length of cuboid = l cm

The breadth of cuboid = b cm

The height of cuboid = h cm

<u>According to question</u>

∵ The surface area of the cuboid = 2 ×(length × breadth + breadth × height + height × length)

Or, x = 2 ×(l × b + b × h + h × l)

Or, 95 =  2 ×(l × b + b × h + h × l)

Or,  (l × b + b × h + h × l) = \dfrac{95}{2}          ....1

<u>Similarly</u>

∵lateral surface area of the cuboid = 2 ×(breadth × height + length × height)

Or, y = 2 ×(b × h + l × h)

Or, 2 ×(b × h + l × h) = 63

Or, (b × h + l × h) = \dfrac{63}{2}              ......2

Putting value of eq 2 into eq 1

so,  (l × b +  \dfrac{63}{2} ) = \dfrac{95}{2}    

Or, l × b = \dfrac{95}{2} - \dfrac{63}{2}    

Or,  l × b = \dfrac{95 - 63}{2}

i.e l × b = \dfrac{32}{2}

so, l × b = 16

<u>Now, Again</u>

∵The Area of the base = ( length × breadth ) cm²

So, z =  l × b

i.e z = 16 cm²

So, The Area of the base = z = 16 cm²

Hence,The Area of the base is 16 cm² . Answer

5 0
3 years ago
What is the y and x intercept and I need to show work
LiRa [457]

Answer:

x=0

y=-14

Step-by-step explanation:

If the equation is y=2x-14,

If x=0,

enter x into the equation

y=2(0)-14

y=0-14

y=-14

6 0
3 years ago
Laura finished her history assignment in 1/4 hours. Then she completed her English assignment in 3/5 hours. What was the total a
kobusy [5.1K]

Answer:

0.85 hours

\frac{17}{20} hours

Step-by-step explanation:

8 0
3 years ago
On a trip to a lake, Kerrie and Shelly rode their bicycles four more than three times as many miles in the afternoon as in the m
Natalija [7]

Answer:

27 miles in the morning and 85 miles in the afternoon.

Explanation:

Let m be the number of miles they rode in the morning.  They rode 4 more than 3 times this many in the afternoon; this gives us the expression

3m+4

to represent the miles ridden in the afternoon.

Together they rode 112 miles; this means we add the morning miles, m, to the afternoon miles, 3m+4, and get 112:

m+3m+4 = 112

Combine like terms:

4m+4 = 112

Subtract 4 from each side:

4m+4-4= 112-4

4m = 108

Divide both sides by 4:

4m/4 = 108/4

m = 27

They rode 27 miles in the morning.

That means in the afternoon, they rode

3m+4 = 3(27)+4 = 81+4 = 85 miles.

5 0
3 years ago
Read 2 more answers
Plz help
Katarina [22]
There rate is 1.67 or 1.66 repeated a day
6 0
3 years ago
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