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Nesterboy [21]
3 years ago
12

What is the answer??

Mathematics
2 answers:
andriy [413]3 years ago
7 0
3 correct me if i’m wrong:)
Nata [24]3 years ago
4 0

Answer:

f(x) = -½ x - 5x (the 3rd option)

Step-by-step explanation:

f(4)= -½(4) - 5(4)

= -2 - 20

= -22

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Expand if necessary combine like terms (7+x)(7-x)=
mina [271]

Answer:

49 - x^2

Step-by-step explanation:

(7+x)(7-x)

We know this is the difference of squares

(a-b) (a+b) = a^2 - b^2

7^2 - x^2 = 49-x^2

We can also FOIL

first = 7*7 = 49

Outer: = 7x

Inner: = -7x

Last : -x*x = -x^2

Add them together

49 +7x-7x - x^2

Combine like terms

49-x^2

4 0
3 years ago
Write 12 ten thousands, 8 thousands,14 hundreds, 7 ones in standard form
Cloud [144]
<span><u><em>The correct answer is: </em></u>
129,407.

<u><em>Explanation</em></u><span><u><em>: </em></u>
12 ten-thousands = 12*10000=120,000.
8 thousands = 8*1000=8000;
<u>this gives us</u> 120,000+8,000=128,000.

14 hundreds = 14*100=1400;
<u>this gives us</u> 128,000+1,400=129,400.

7 ones = 7*1=7;
<u>this gives us</u> 129,400+7=129,407.</span></span>
7 0
3 years ago
Read 2 more answers
In which number does the 5 represent 5x 10,000?
lyudmila [28]
It would be 50,000, because 5*10,000=50,000.
6 0
3 years ago
Can someone help me ? And show me the steps
kow [346]
If the line is parallel, it has the same slope. So now just find the y intercept and put it into slope-intercept form
3 0
3 years ago
Check picture, 7th grade work.
mina [271]
The answer is 5 cm for the circumference of the smaller square
6 0
3 years ago
Read 2 more answers
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