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defon
2 years ago
9

Evaluate the expression below. 18 - 71.4 + 3(-1) 0 1 0-7 0-1 07

Mathematics
1 answer:
Vsevolod [243]2 years ago
6 0

Answer:

no clueeeeeeeeeeeeeee

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Sandra is 4 feet tall.Pablo is 10% talker than Sandra,and Michaela is 8% taller than Pablo.Explain how to Michaelas height with
Pavlova-9 [17]

Answer:

For Pablo's height, just make 10% of 4 a decimal which is .4 and add 4 to it. and then for Michaela do the same which is .8 and add 4 to it  so 5ft for Michaela

5 0
3 years ago
A man bought a refrigerator, an air conditioner, a TV set and a gas cooker for $150.00, $400.00, $180.00 and $300.00 respectivel
MaRussiya [10]

Answer:

1184.5

Step-by-step explanation:

150+400+180+300=1030

1030 × 15% = 154.5

(15% is also 0.15)

1030 + 154.5 = 1184.5

I hope this helps you :)

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3 years ago
Which of the following expresses 16 + 36 by using the GCF of the two numbers?
Murljashka [212]
Answer is <span>  4(4 + 9)  (first choice)

----------------------------</span>
5 0
3 years ago
Read 2 more answers
If 55% is 70.4 so what is hundred percent​
hodyreva [135]

Answer:

55%=70.4

1%=70.4/55= 1.28

100%=1.28into 100 = 128

8 0
3 years ago
An object is launched at 19.6 m/s from a height of 58.8 m. The equation for the height (h) in terms of time (t) is given by h(t)
beks73 [17]
H(t) = Ho +Vot - gt^2/2

Vo = 19.6 m/s
Ho = 58.8 m
g = 9.8 m/s^2

H(t) = 58.8 + 19.6t -9.8t^2/2 = 58.8 + 19.6t - 4.9t^2

Maximun height is at the vertex of the parabole

To find the vertex, first find the roots.

58.8 + 19.6t - 4.9t^2 = 0

Divide by 4.9

12 + 4t - t^2 = 0

Change sign and reorder

t^2 - 4t -12 = 0 

Factor

(t - 6)(t + 2) =0 ==> t = 6 and t = -2.

The vertex is in the mid point between both roots

Find H(t) for: t = [6 - 2]/2 =4/2 = 2

 Find H(t) for t = 2

H(6) = 58.8 + 19.6(2) - 4.9(2)^2 = 78.4

Answer: the maximum height is 78.4 m
5 0
3 years ago
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