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Ganezh [65]
3 years ago
6

Can someone help me solve this equation?

Mathematics
1 answer:
devlian [24]3 years ago
6 0
X = - 3
y = 5

You can get this through using elimination. Multiply the entire second equation by -2 and then add through to find x. Then plug in to find y. 
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Hello, please help me with this as well, but show me example how you worked it out?<br><br> 33 + - 5
ANTONII [103]

Answer: 28

Step-by-step explanation: A positive (+) and a negative (-) together make it a negative (-) which takes the positive away (+) making it 33 - 5 = 28

4 0
3 years ago
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Andrew has three times as many pens as Owen. Together they have 20 pens. How many pens Andrew have?
Softa [21]
Andrew has 10 pens bc it's half of twenty
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3 years ago
7 <br><br><br>Find the value of the expression. Z + 2y for y = 6 and z = 1​
Volgvan

Answer:

13

Step-by-step explanation:

1+2×6=13

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8 0
3 years ago
A white tailed deer can sprint at speeds up to 30 miles per hour. American bison can run at speeds up to 3,520 feet per minute.
bogdanovich [222]

Answer:

the Bision is 10 miles / hour faster if he could keep it up

Step-by-step explanation:

There are 60 minutes in an hour.

Therefore the bison can run [3520 feet / min] * [60 min ] =211288 feet in an hour.

Now you have to convert 212200 to miles. Do this by dividing by 5280

212200/5280 = 40 miles.

Kind of hard to believe isn't it. 40 miles is a long way when you are running it.

The bison is faster by 10 miles / hour.

This can be done all in 1 step if you know how to do dimensional analysis

3520 feet / minute * [ 60 min/ hour ] * [ 1 mile / 5280 feet] = 40 miles

5 0
3 years ago
An exponential function, f, passes through the points (-2,-4) and (1,10). Which two points would lie on the graph of function g
Lubov Fominskaja [6]

Answer:

(-2,-12) and (1,30)

Step-by-step explanation:

we know that

f(x) passes through the points (-2,-4) and (1,10)

That means

For x=-2 ----> f(-2)=-4

For x=1 ----> f(1)=10

we have

g(x)=3f(x)

so

substitute the given value of f(x) to obtain the value of the function g(x)

For x=-2 -----> g(-2)=3f(-2) ----> g(-2)=3(-4)=-12

For x=1 -----> g(1)=3f(1) ----> g(1)=3(10)=30

therefore

The two points that would lie on the graph of function g are

(-2,-12) and (1,30)

3 0
3 years ago
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