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densk [106]
3 years ago
7

Arjay, Dorothy, Melissa, and Gray live in the same city. Arjay and Dorothy live 2 miles from each other. Dorothy and Melissa liv

e 5 miles from each other. Melissa and Gray live 3 miles from each other. Arjay and Gray live 10 miles from each other. How far do Dorothy and Gray live from each other?
Mathematics
1 answer:
GarryVolchara [31]3 years ago
5 0
Dorothy and Gray live 8 miles from each other.
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Question<br> Find the x- and y-intercepts of the parabola y<br> =<br> =-3x²<br> -<br> 10x 10.<br> -
algol13

Answer:

-100/3,0

Step-by-step explanation:

substitute in 0 for y and solve for x. To find the y-intercept, substitute in 0 for x and solve for y.

if that makes sense Hope this helps pls brainliest have a nice day :>

5 0
2 years ago
Read 2 more answers
The sum of 6 times a position number and 1 is the same as the sauare of 1 less than the number
stepan [7]
If the number is x, then:
6x+1= (x-1)^2

Now we just need to simplify it
6x+1=(x-1)*(x-1)
6x+1=x^2-2x+1
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8=x

The number is 8.

To check the answer
6*8+1=7^2
49=49
correct :)
5 0
3 years ago
Can someone help answering my questions in English and Math
vagabundo [1.1K]

Answer:

yo

Step-by-step explanation:

8 0
2 years ago
Two cars are traveling down the highway with the same speed. If the first car increases its speed by 1km/hr, and the other car d
Olegator [25]

Answer:

The speed of the cars is 32 \frac{km}{h}

Step-by-step explanation:

First we must first have the clear concept that speed=\frac{distance}{time} or s=\frac{d}{t}

Our question is the speed of the cars then the variable to clear will be s.

Let's raise the equation for each car taking into account that we have the following data:

Car 1: s_{1}=s+1 , t_{1}=2 and d_{1}= d_{2}

Car 1: s_{2}=s-10 , t_{2}=3 and d_{1}= d_{2}

The two cars travel the same distance so we will raise the distance formula for each car and then match them.

<em>Car 1</em>

d_{1}=s_{1}*t_{1}

d_{1}=(s+1)*2

d_{1}=2s+2

<em>Car 2</em>

d_{2}=s_{2}*t_{2}

d_{2}=(s-10)*3

d_{2}=3s.30

d_{1}=d_{2}

2s+2=3s-30

2+30=3s-2s

32=s

The speed of the cars is 32 km/hr

7 0
3 years ago
Solve for y in terms of x
Alika [10]

Answer:

(a) 3 - 2x - 2x²  (b) -21

Step-by-step explanation:

given, y +2x² = 3 -2x

make y the subject:

y = 3 - 2x - 2x²

if y = f(x)

then

f(x) = 3 - 2x - 2x²

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<u />

3 - 2(3) - 2*(3)²

-21

3 0
2 years ago
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