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andrezito [222]
3 years ago
14

What is the domain of -2

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
5 0
The answer is 7x so I this helps you please thank me plz bye
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An object with a starting velocity of 15 m/s accelerates at 3 m/s2. How far does the object travel within 10 seconds?
Anna007 [38]

Answer:  300 m

<u>Step-by-step explanation:</u>

distance(s)=v_it+\dfrac{1}{2}at^2 \quad \text{where}\ v_i \text{is initial velocity, a is acceleration, t is time}

s=(15)(10)+\dfrac{1}{2}(3)(10)^2

  = 150 + 150

  = 300

6 0
3 years ago
4. Let f(x) = 2x +1 and g(x) = x². Find (gºf)(a).
PolarNik [594]

Answer:

Step-by-step explanation:

hello :

f(x) = 2x +1 and g(x) = x².

(gºf)(a)= g(f(a)) = g(2a+1) = (2a+1)² = 4a²+4a+1

3 0
3 years ago
Henry is mixing concrete. To make concrete he needs to mix cement, sand and gravel in the ratio 1 : 4 : 7 by weight. Henry needs
jolli1 [7]

Answer:

Henry is short of gravel

Step-by-step explanation:

Here, we are to identify which of the ingredients Henry is short of.

To identify this ingredient, what is needed to be done is to share the 180kg of concrete appropriately to get which of the material does not meet its ratio and thus allowing us know which is insufficient.

The total ratio is 1 + 4 + 7 = 12

For cement, we have ;

1/12 * 180 = 15 kg

For sand, we have

4/12 * 180 = 60kg

For gravel, we have

7/12 * 180 = 105 kg

From the values in the question, we can see that all the values we have are greater what is shared in the ratio except in the case of gravel. So we can confidently say he is short of gravel

8 0
3 years ago
Maria has $5.00 more than José. Together they have. $37.50.
Soloha48 [4]

Answer:

Step-by-step explanation:

32.50 dollar

8 0
3 years ago
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How many solutions does the system have?<br><br>2y = 4x + 6<br><br>y= 2х + 6​
IceJOKER [234]
Photo math helps :) I’ve been using it for this problems
3 0
3 years ago
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