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4vir4ik [10]
3 years ago
13

Given f(x) = -2x + 7, find f(-3). Show your steps.

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
5 0
F(x)=-2x+7
f(-3)=-2(-3)+7
       =6+7
       =13
f(-3)=13
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What is the halfway fraction between 3/5 and 7/10
Dmitry [639]
The answer is 13/20. So 3/5 is equal to 6/10 so you're looking for the fraction that's half of 7/10 and 6/10 which is 6.5/10 but you can't use decimals in a fraction so you multiply both sides by 10 which would equal 65/100 and simply, and that would be 13/20.
7 0
3 years ago
The dance committee at Jefferson High School decides to charge students different prices for dance tickets depending on whether
valentina_108 [34]

Answer:

30

Step-by-step explanation:

4 0
3 years ago
VERY URGENT HAVE A TEST TO TAKE
Daniel [21]
The easiest way is to try the point (-4,1), that is, x=-4, y=1,
to see which equation works.
b works.

The usual way to do it is to find the equation of the circle
standard form of a circle is (x-h)²+(y-k)²=r², (h,k) are the coordinates of the center, r is the radius. 
in this case, the center is (-2,1), so (x+2)²+(y-1)²=r²
the given point (-4,1) is for you to find r: (-4+2)²+(1-1)²=r², r=2
so the equation is (x+2)²+(y-1)²=2² 
expand it: x²+4x+4+y²-2y+1=4
x²+y²+4x-2y+1=0, which is answer b.

5 0
3 years ago
Elena made 10 ounces of apple chips. She puts the same amount of apple chips into each of 4 containers. How many ounces of apple
KiRa [710]

Answer:

2.5 ounces

Step-by-step explanation:

10 divided by 4 is 2.5

7 0
3 years ago
Can someone help me understand these questions?
Soloha48 [4]
<span>kite is a quadrilateral whose four sides can be grouped into two pairs of equal-length sides that are adjacent to each other.

a square does fir this definition since it has 4 equal sides, hence 2 pairs and hte equal sides are adjacent to each other.
so yes a square is a kite

the definition of a rectangle is </span>
<span>a figure with four straight sides and four right angles, </span>

a parallelogram with 4 right angle woudl be a rectangle but any without would not

so it can be, but generally is not
7 0
3 years ago
Read 2 more answers
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