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3 years ago

Can someone please help me it’s a quiz and idk what to do!!!! pls

Mathematics

2 answers:

Sindrei [870]3 years ago

7 0

Answer:

plot a point at (0,-8) and another one at (5,-7)

Step-by-step explanation:

connecting the dots would create the slope

goldfiish [28.3K]3 years ago

4 0

Create a point at (0,-8) and (-7,5) then connect to create a slope

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Write the equation of a circle given the center (-4, 4) and raduis r = 5.

Len [333]

Answer:

A) $(x+4)^2+(y-4)^2=25$

Step-by-step explanation:

The equation of a circle is $(x-h)^2+(y-k)^2=r^2$ where $(h,k)$ is the center and $r$ is the radius. If $(h,k)\rightarrow(-4,4)$ and $r=5$ , then:

$(x-h)^2+(y-k)^2=r^2\\\\(x-(-4))^2+(y-4)^2=5^2\\\\(x+4)^2+(y-4)^2=25$

Therefore, the equation of the circle is $(x+4)^2+(y-4)^2=25$

6 0

2 years ago

one night a theater sold 548 movie tickets. an adult’s costs $6.50 an child’s cost $3.50. in all, $2,881 was takin in. how many

gavmur [86]

Answer:

321 adult tickets
227 child tickets

Step-by-step explanation:

This sort of problem is easily solved by defining a variable to be the quantity of the higher-value contributor. Here, we can let x represent the number of adult tickets. Then total revenue is ...

6.50x +3.50(548-x) = 2881

3x +1918 = 2881 . . . . . . . . . . . . eliminate parentheses, collect terms

3x = 963 . . . . . . . . . . . . . . . . . . subtract 1918

x = 321 . . . . . . . . . . . . . . . . . . . . divide by 3

548-x = 548 -321 = 227 . . . . . .number of child tickets

321 adult tickets and 227 child tickets were sold.

3 0

3 years ago

Whoever answers this correctly gets 50+ points brainliest plz plz plz im on a time crunch

zysi [14]

Hey there we cannot see the question :D Sorry about that I would answer but I cannot!

3 0

3 years ago

A playground is being designed where children can interact with their friends in certain combinations.

Nutka1998 [239]

Answer:

D) an = an-1 + (2n – 3)

4 0

3 years ago

If 60% of a numbet is 18,what is 89% of the number

aliya0001 [1]

What is this number?

if 60%x=18

then

$\frac{60}{100}$ x=18

$\frac{6}{10}$ x=18
$\frac{3}{5}$ x=18
3x=18*5
x=6*5
x=30

and 89% of it:
$\frac{89}{100}$ *30= $\frac{89}{10}$ *3=26.7 which is the answer

5 0

3 years ago