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3 years ago

System by substitution. Tar 7x - 3y=8 y=3x

Mathematics

1 answer:

valentina_108 [34]3 years ago

8 0

Answer:

Step-by-step explanation:

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Larry, Barry, Terry are saving their money for a trampoline that costs $340.

Flauer [41]

Answer:

Larry=X

Barry=112x

Terry=113x

L+B+T=322

x+112x++113x=322

226×=322

Larry saved $1.42

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3 years ago

Which graph shows the solutions to<br> the inequality? PLSSS HELPPP

gavmur [86]

It’s the third graph down!!

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3 years ago

What does the equation -9+|m-8|<0 equal to?

UNO [17]

The equation $-9+|m-8|$ equals to $-1 < m < 17$

Step-by-step explanation:

We need to solve the equation:

$-9+|m-8|$

Solving:

Adding 9 on both sides

$-9+9+|m-8|$

Applying absolute rule: |u| < a and a > 0 then, -a < u < a

So, $-9 < m-8 < 9$

Now we have,

m-8>-9 and m-8 <9

m>-9+8 and m <9+8

m>-1 and m<17

Combining the intervals:

-1 < m < 17

So the equation $-9+|m-8|$ equals to $-1 < m < 17$

Keywords: Inequality, Absolute rule

Learn more about inequality at:

#learnwithBrainly

7 0

3 years ago

Joan Likes to watch the birds in her yard. one morning she notices that there are twice as many Robins as bluejays. If she count

geniusboy [140]

<span>Find the number of bluejays bird and robins birds as joan counted it
=> the number of Robins is twice as bluejay
=> Robins = 2X
=> The number of bluejay is about to know:
=> Bluejay = X
The total number of birds is 21.
=> 2X + X = 21
=> 3x = 21
=> 3x / 3 = 21 / 3
=> x = 7
Thus the number of bluejay is 7
=> Robin = 2(7)
=> Robin = 14
Thus the number of Robin is 14</span>

7 0

3 years ago

Which is not a characteristic of an exponential parent function?

zaharov [31]

Given:

The characteristic of an exponential parent function in the options.

To find:

Which is not a characteristic of an exponential parent function?

Solution:

The exponential parent function is:

$y=b^x$

Where, $b>0$ .

At $x=0$ ,

$y=b^0$

$y=1$

It means the function passes through the point (0,1) but it does not passes through the origin. So, the statement in option A is true but the statement in option C is false.

The domain of the exponential parent function is all real numbers and the range is positive real numbers (y > 0). So, the statements in the options B and D are true.

Therefore, the correct option is C.

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3 years ago