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Shalnov [3]
3 years ago
12

2d + 7 = 9please help me! ​

Mathematics
1 answer:
jasenka [17]3 years ago
8 0

Answer:

d=1

Step-by-step explanation:

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I am doing online class and I am looking for a little help please
kati45 [8]
The domain is about how far left-to-right the graph goes.
In relation to the x-axis, the graph starts at x = –3 (with an open circle at –3) and then continues over to the right forever.
This is the shown in the picture with the red markup.
In interval notation, this is (-3, infinity).

Remember to use that left-to-right orientation for interval notation!

The range is in turn about how low to how high the graph goes.
On the graph, I’d do the same thing I did on the red marked up graph and compare the graph to the y-axis.
The graph starts down at y = –5 (with an open circle at –5) and then continues on up forever.
In interval notation, this is (-5, infinity).

4 0
2 years ago
PLS help i rly need help ive posted with no help im rly confused
vesna_86 [32]
Asked and answered elsewhere.
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8 0
2 years ago
Out of 200 people eating at a diner, 70% ordered
scZoUnD [109]

Answer:

140 people

Step-by-step explanation:

4 0
2 years ago
Use the quadratic formula to find the solutions to the
nadezda [96]

Answer:

D

Step-by-step explanation:

The quadratic formula:

\frac{-b\pm \sqrt{b^2-4ac}}{2a}

where a is the coefficient of x^2, b being the coefficient of x and c being the constant.

Plug in the values:

\frac{-\left(-5\right)\pm \sqrt{\left(-5\right)^2-4\cdot \:2\cdot \:5}}{2\cdot \:2}

\frac{5\pm\sqrt{-15} }{4}

Since \sqrt{-15} =\sqrt{-1} \sqrt{15} =i \sqrt{15}

The answer is:

\frac{5\pm i \sqrt{15} }{4}

6 0
3 years ago
Read 2 more answers
16x^0+2x^2*y^-1 x=2 y=4<br> PLEASE HELP!!!
Kipish [7]

Answer:

your answer should be 4095

3 0
2 years ago
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