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Keith_Richards [23]
3 years ago
14

Delia can buy 3 sweatshirts for a total of $39. How much would it cost if she were to buy 7 sweatshirts?​

Mathematics
1 answer:
blondinia [14]3 years ago
4 0

Answer:

7 sweatshirts costs $91

Step-by-step explanation:

Well, first we have to find how much each sweatshirt costs alone. The sweatshirts are $13 each. So, if we multiply 13 by 7, you'll get the amount that 7 sweatshirts costs.

I'm 97% sure this is correct

Hope this helped! Please mark brainliest!

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melisa1 [442]
I think it is “B”. BBBBB
8 0
3 years ago
Find x with the formulaaa<br><br>​
kotegsom [21]
10x+90=360
10x=270
x=27
3 0
3 years ago
Light travels at a speed of approximately Light travels at a speed of approximately 1,000,000,000 kilometers per second (621,118
Furkat [3]

The speed of light is 300,000 kilometers per hour. hence option c is correct.

According to the statement

we have to explain that the by how much speed the light travels.

So, Firstly

Light is the natural agent that stimulates sight and makes things visible.

and speed of light means that the distance covered by the light with respect to time.

So, it means those distance which is covered by the light with respect to time is called the speed of light.

The speed of light is measures in km, meters and in other units also.

And we can calculate the speed of light per hour or per minute or in other time measurements.

So, The speed of light is 300,000 kilometers per hour. hence option c is correct.

Learn more about speed of light here brainly.com/question/104425

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6 0
2 years ago
Hey can you please help me posted picture of question
svet-max [94.6K]
If we observe the graph we can see that the curve crosses the x-axis at the following points: 1, 3, and 5
This means x = 1, x = 3 and x = 5 are the roots of the polynomial and x - 1, x - 3 and x - 5 are the factors of the polynomial.

We can express the polynomial as the product of its factors. So the polynomial will be (x-1)(x-3)(x-5)

The correct answer to this question is option A

4 0
3 years ago
Read 2 more answers
Homework - Pure Year 1 - Chapter 11B
ycow [4]

Answer:

|F net| = 20.22 N

θ ≈ 19.8°

Step-by-step explanation:

F net = 15N i + 8cos(60°)N i + 8sin(60°)N j

= 15N i + 8×½N i + 8×√3/2N j

= 15N i + 4N i + 4√3N j

= 19N i + 4√3N j

|F net| = √(19²+(4√3)²) = √(361+48) = √409 ≈ 20.22N

tan(θ) = 4√3 ÷ 19 ≈ 0.36 → θ ≈ arctan(0.36) = 19.8°

5 0
2 years ago
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