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yarga [219]
2 years ago
5

A car covers a distance of 60 km in half an hour . What is he average speed of the car?And with short solution.

Mathematics
1 answer:
rjkz [21]2 years ago
4 0

Answer: 12

Step-by-step explanation:  If it was 60km in 1 hour it would 6 but since its half an hour just double the 6.

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If the base is 4, what is the value if the exponent is 2? What if the exponent is -2?
Vikentia [17]

Answer:

In the world of exponents, 4 is the number being raised by the exponent, which is 2.

Let's answer the first question:

If the base is 4, what is the value if the exponent is 2?

  • The base is 4 and the exponent is 2.  We would multiply 4 two times.

4^2= 4*4 = 16

So, it would be 16.

Let's answer the second question:

What if the exponent is -2?

<u>This is the rule for negative exponents:</u>

a^{-x}=\frac{1}{a^x}

Using this rule, we can solve 4^{-2}.

4^{-2}= \frac{1}{4^2}=\frac{1}{16}

So, our answer for the 2nd question is 1/16.

3 0
3 years ago
Identify the vertex of each function please help
Svetlanka [38]

Answer:

12. (4, 7)

13. (5, -1)

Step-by-step explanation:

Rewrite in vertex form and use this form to find the vertex (h, k).

8 0
3 years ago
9)
garri49 [273]

Answer:

tetrahedral

Step-by-step explanation:

According to the valence shell electron pair repulsion theory (VSEPR) the shape of a molecule is dependent on the number of electron pairs on the valence shell of the central atom in the molecule.

The predicted electron pair geometry may sometimes differ from the molecular geometry due to the presence of lone pairs and multiple bonds.

If we consider each nitrogen atom in N2 independently, we will notice that each nitrogen atom has four regions of electron density. Hence the electron pair geometry is tetrahedral.

3 0
3 years ago
The table shows the time Phillip spent driving and the number of miles he drove. He drove the same number of miles each hour.How
alexandr402 [8]
52 miles is the right question for this one!
8 0
3 years ago
rectangle q has an area of 2 square units thea drew scaled version and labled it rectangle r what scale factor did thea use to g
alexgriva [62]

Answer:

<em>It has been given that Rectangle Q has an area of 2 square units.</em>

<em>Thea Drew a scaled version of Rectangle Q and marked it as R.</em>

<em>As you must keep in mind If we draw scaled copy of pre-image, then the two images i.e Pre-image and Image are similar.</em>

<em>As you have not written what is the scale factor of transformation</em>

<em>Suppose , Let the Scale factor of transformation= k</em>

<em>Rectangle Q = Pre -image, Rectangle R= Image</em>

<em>If, Pre-Image < Image , then scale factor is k >1.</em>

<em>But If, Pre-Image > Image , then Scale factor will be i.e lies between, 0<k<1.</em>

5 0
3 years ago
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