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larisa86 [58]
3 years ago
6

Pls help I gat no idea on what the answer is

Mathematics
2 answers:
Alex777 [14]3 years ago
7 0

Answer:

the answer is A

Step-by-step explanation:

hope it helped

bearhunter [10]3 years ago
7 0

Answer:A

A

Step-by-step explanation:

klp

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Help please????<br><br>f(4)=4²-5<br><br>show the "work"​
Fynjy0 [20]
F(4) = 4^2-5
f(4) = 4x4-5
f(4) = 16-5
f(4) = 11
4 0
3 years ago
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rewona [7]

Answer:

385 is the result of multiply 77 by 5

6 0
3 years ago
Read 2 more answers
Solve the system by the substitution method.
Gemiola [76]

Answer:

(2,2)

Step-by-step explanation:

Given equations

x-3y=-4-------------------------------(1)

y=-3x+8.------------------------------(2)

Substitute 2 in 1. This means use the value of y in equation 1, to replace y

x-3(-3x+8)=-4------------------open brackets

x+9x-24=-4---------------------collect like terms

10x=-4+24

10x=20---------------------------divide by 10 both sides to get value of x

10x/10=20/10=2

x=2------------------------------use value of x in equation (2) to get value of y

y=-3x+8

y=-3(2)+8

y=-6+8=2

solutions

x=2, y=2

7 0
4 years ago
Find the perimeter of the semicircle when diameter is 3.5 cm. (1 Point)
Feliz [49]

● Answer:

8.995 cm

● Step-by-step explanation:

P = d + L/2

d = 3.5 cm

L/2 = 2pi×r/2

= pi×d/2

= 3.14×3.5/2

= 5.495 cm

P = 3.5cm + 5.495

= 8.995 cm

8 0
4 years ago
Find the slope...........
vekshin1
First thing to do is find out the coordinates of two points on the graph (I will use the ones that have been marked by the red dots):

Point A: (3, -1)
Point B: (1, 2)

Then we will use the slope formula to work out the slope:

y₂ - y₁ / x₂ - x₁

Substitute in our points:

2 - (-1) / 1 - 3

Then we work out the expression (remember a negative and a negative make a positive!):

3 / -2

Then we check if we can simplify this fraction, which in this case we cannot.

Therefore the slope of that line would be:

3 / -2

(remember to write it as a fraction!)

7 0
3 years ago
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