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harina [27]
2 years ago
13

Answer this question, thx for the help (the 4th one is this shape O )

Mathematics
1 answer:
RideAnS [48]2 years ago
5 0

Answer:

1st one

Step-by-step explanation:

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The parabola y=<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}" align="absmiddle" class
oksano4ka [1.4K]
Y=(x-h)^2+k where (h,k) is the vertex

So, equation of new parabola is:

y=(x+1)^2+7
7 0
3 years ago
An electrician charges a base fee of $65 plus $40 for each hour of work. The minimum the electrician
Mashutka [201]

Answer:

DONE

Step-by-step explanation:

HE CHARGES $145 PER HOUR

1 HOUR=$145

2 HOUR= $145*2= $290

3 HOUR= $145*3= $435

4 HOUR= $145*4=$580

3 0
3 years ago
A pair of pants with a marked price of $35.00 has a discount of 20%. How much is the discount?
Rasek [7]
The answer is c.

The discount is 20% off, right? What's 20% of 35? To do that, you need to do the problem 35*.20, because .20 is equivalent to 20%. Remember how it is 20% off? That means subtract here. When you do 35*.20, you'll get 7. Now, subtract 7 from 35. 35-7=28, and your answer is in money; $28.00. :)
4 0
3 years ago
Read 2 more answers
A rectangle is 4.2 centimetres wide and each diagonal is 8.6 centimetres long. What is the measure of the angle between a diagon
CaHeK987 [17]

Answer:

60.8^\circ

Step-by-step explanation:

First, let's check side lengths.

Using the Pythagorean theorem we can find the length of the other side of the rectangle.

a^2 + b^2 = c^2

4.2^2 + b^2 = 8.6^2

b^2 = 56.32

b = 7.5

The other side of the rectangle measures 7.5 cm, so now we know that 4.2 cm is indeed the shorter side of the rectangle.

For the angle in question, the 4.2 cm side is the adjacent leg.

The diagonal of 8.6 cm is the hypotenuse.

The trig ratio that relates the adjacent leg to the hypotenuse is the cosine.

\cos \alpha = \dfrac{adj}{hyp}

\cos \alpha = \dfrac{4.2~cm}{8.6~cm}

\alpha = \cos^{-1} \dfrac{4.2~cm}{8.6~cm}

\alpha = 60.8^\circ

3 0
3 years ago
Complete to get an equal ratio<br> 5a/8ab = ?/ 24a^2 b
Likurg_2 [28]

9514 1404 393

Answer:

  ? = 15a^2

Step-by-step explanation:

We assume you want

  (5a)/(8ab) = (?)/(24a^2·b)

Multiplying by 24a^2·b, we get ...

  (5a)/(8ab)·(24a^2·b) = ? = 15a^2

6 0
2 years ago
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