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irina1246 [14]
3 years ago
13

write an expression to model the following situation: when rafa woke up, the temperature was –9°c. by noon, the temperature had

increased by 7°c. what was the temperature at noon? a. –9 – 7 b. 9 7 c. –9 7 d. 9 – 7
Mathematics
1 answer:
Julli [10]3 years ago
7 0
The answer is -9+7 because it INCREASED which means adding ( + ).
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NASA launches a rocket at
Lapatulllka [165]

Answer:

the  height is :  2365.48  m

Step-by-step explanation:

hello :

h(t) = − 4.9 t 2 + 211 t + 94 .

the vertex of this parabola is : (-b/2a  , h(-b/2a) when : a= -4.9  and b=211

-b/2a = -(211)/2(-4.9) = 21.53

h(21.53) = -4.9(21.53)²+211(21.53)+94 = 2365.48  m

4 0
3 years ago
Solution<br> n/8+1/2 = -3 1/2
earnstyle [38]

Answer:

n= -32

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Is 0.33 greater than 0.3333333333333
34kurt
No it's not_______________
7 0
3 years ago
How many litres of milk can be put in six hemispherical bowl each of diameter 35cm​
Lesechka [4]

Answer:

Approximately 67.348 litres can be put in six hemispherical bowl with a diameter of 35 centimetres.

Step-by-step explanation:

The volume of a hemisphere (V), measured in cubic centimetres, is obtained from this formula:

V = \frac{2\pi}{3}\cdot R^{3}

Where R is the radius of the hemisphere, measured in centimetres.

We know that radius is the half of the diameter (D), measured in centimetres, then:

R = 0.5\cdot D

(D = 35\,cm)

R = 0.5\cdot (35\,cm)

R = 17.5\,cm

Now, we get the volume of each hemispherical bowl:

V = \frac{2\pi}{3} \cdot (17.5\,cm)^{3}

V \approx 11224.649\,cm^{3}

The total volume of six hemispherical bowl is:

V_{T} = 6\cdot V

V_{T}= 6\cdot (11224.649\,cm^{3})

V_{T} = 67347.894\,cm^{3}

From Physics we know that 1 litre equals 1000 cubic centimetres. Then:

V_{T} = 67.348\,L

Approximately 67.348 litres can be put in six hemispherical bowl with a diameter of 35 centimetres.

3 0
3 years ago
I need help...like fast plezz
liubo4ka [24]

Answer:

80°

Step-by-step explanation:

176 - 32 = 144

144(4/9) = 80°

the answer is 80°

6 0
2 years ago
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