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Hunter-Best [27]
2 years ago
7

Solve the system of equations algebraically.

Mathematics
2 answers:
ryzh [129]2 years ago
8 0

Answer:

hi

Step-by-step explanation:

y=3x+24

y-3x=24

y-x= 24/3= 8

y-x = 8

2.

6x +6y= -24

6x+y= -24/6= -4

6x+y= -4

x+y= -4/6= -2/3

x+y= -2/3

jenyasd209 [6]2 years ago
5 0
V=3x+24
y-3x=24
y-x= 24/3=8
y-X = 8

6× +6v= -24
6x+V= -24/6= -4
6x+V= -4
X+V= -4/6=-2/3
x+y=-2/3
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Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
Minchanka [31]

Answer:

its either a or d but im kinda thinking a bcus a do represent 3 side of triangle so i think a but i think d to but a

Step-by-step explanation:

8 0
3 years ago
The local animal shelter expects a 23% increase in adoptions in November. During October, 76 animals were adopted. About how man
laila [671]

Answer:

93

Step-by-step explanation:

It recieves a 23% increase in adoptions from October to november so 123% or 1.23.

Multiply 76 (the number of adoptions in October) by the increased rate.

76 * (1.23) = 93.48 so 93 since that is the neares whole number.

5 0
3 years ago
What’s the answer for <br> Solve: 4(2x+4)=56
mario62 [17]

Answer:

x=5

Step-by-step explanation:

four times two x gives you 8x. 4 times 4 is 16. Subtract 16 from both sides you get 40. divide 8x by 8 and the eights cancel out. Divide 40 by 8 and you get 5

5 0
4 years ago
Read 2 more answers
A circle is centered at the point (-7, -1) and passes through the point (8, 7).The radius of the circle is____ units. The point
denis-greek [22]

Answer:

Part 1) The radius of the circle is r=17 units

Part 2) The points (-15,14) and (-15,-16) lies on this circle

Step-by-step explanation:

step 1

Find the radius of the circle

we know that

The distance between the center of the circle and any point on the circle is equal to the radius of the circle

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

(-7, -1) and (8, 7)

substitute

r=\sqrt{(7+1)^{2}+(8+7)^{2}}

r=\sqrt{(8)^{2}+(15)^{2}}

r=\sqrt{289}

r=17\ units

step 2

Find out the y-coordinate of point (-15,y)

The equation of the circle in standard form is equal to

(x-h)^2+(y-k)^2=r^2

where

(h,k) is the center

r is the radius

substitute the values

(x+7)^2+(y+1)^2=17^2

(x+7)^2+(y+1)^2=289

Substitute the value of x=-15 in the equation

(-15+7)^2+(y+1)^2=289

64+(y+1)^2=289

(y+1)^2=289-64

(y+1)^2=225

square root both sides

(y+1)=(+/-)15

y=-1(+/-)15

y=-1(+)15=14

y=-1(-)15=-16

therefore

we have two solutions

point (-15,14) and point (-15,-16)

see the attached figure to better understand the problem

8 0
3 years ago
What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 4f(x)?
guajiro [1.7K]
Remark
The way this is written I would assume that it means 4*f(x) = x. That may not be entirely the correct assumption to be made. 

Step One
Replace f(x) by 4f(x)
4*f(x) = x  

Step two
Divide both steps by 4
f(x) = x/4 or (1/4)x
The slope is now 1/4

Discussion
A is incorrect.
The slope has been changed. 

B is incorrect
The slope has been changed to 1/4 and the y intercept is still 0

C looks to be the right answer.

D The y intercept is still zero. 

Comment
The question is a little hard to interpret. I've read it literally. That means that I have taken the question to mean that only f(x) was altered. If however, the right side was multiplied by 4 as well (as should be done), then the answer is A same slope same intercept. That's because the 4s on the left and right cancel, and the original equation results. I'm going to pick C but don't be surprised if it is A

C <<<<<answer

6 0
4 years ago
Read 2 more answers
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