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Alona [7]
2 years ago
11

Please answer this question :)

Mathematics
1 answer:
tia_tia [17]2 years ago
7 0
Answer: 2.663043987
explanation: use calculator
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Determine which statement uses an invalid argument.
Helga [31]
A. because in A, it flips the two conditions, which can changes the accuracy of the statement.
7 0
3 years ago
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Ab and bc form a right angle at point B. if a= (-3,-1) and B= (4,4) what is the equation of BC?
Vesnalui [34]

Answer:

Option C -7x-5y=-48

Step-by-step explanation:

step 1

Find the slope of AB

we have

A(-3,-1) and B(4,4)

The slope m is equal to

m=(4+1)/(4+3)

m=5/7

step 2

Find the slope of BC

we know that

If two lines are perpendicular, then the product of their slopes is equal to -1

so

m1*m2=-1

we have

m1=5/7

substitute

5/7*m2=-1

m2=-7/5

step 3

Find the equation of the line into slope point form

y-y1=m(x-x1)

we have

m=-7/5

B(4,4)

substitute

y-4=-(7/5)(x-4)

Multiply by 5 both sides

5y-20=-7x+28

7x+5y=28+20

7x+5y=48

Multiply by -1 both sides

-7x-5y=-48

3 0
3 years ago
D. ¿que signo tiene el resultado de multiplicar -2 por sí mismo 981 veces?
Leviafan [203]

Answer:

D) Negativo

Step-by-step explanation:

porque el número 981 es impar.

si el número fuera par, por ejemplo 982, sería positivo.

7 0
3 years ago
2 (4y + 3 + y) hellppp
Yanka [14]

Answer:

10y + 6 hope this helps :)

Step-by-step explanation:

3 0
2 years ago
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Please help me!!! Its math and I am struggling
Romashka-Z-Leto [24]

Answer:

16:36 = 32:72 = 12:27

Step-by-step explanation:

An easy way for me to solve this is to divide the first value by the second. If they turn out to be the same fraction, then they are equivalent.

Is 16:36 = 32:72?

Yes, because \frac{16}{36}=\frac{4}{9} =\frac{32}{72}

Is 16:36 = 12:27?

Yes, because \frac{16}{36}=\frac{4}{9} =\frac{12}{27}

Is 16:36 = 3:4?

No because \frac{16}{36}=\frac{4}{9} \neq \frac{3}{4}

I hope this helps!!! Please rank if it does and let me know if you have any more questions about this!

6 0
2 years ago
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