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Aleks [24]
3 years ago
6

Which of the following expression is not equivalent to -4.5 times -8?

Mathematics
2 answers:
torisob [31]3 years ago
4 0

(8)(-4.5) is not equivalent because 8 times -4.5 results in negative value

Anastaziya [24]3 years ago
4 0

Answer:

(8)(-4.5) would be your answer

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What is 20:50 (Equivalent Ratios)
Arturiano [62]

Answer: 20 : 50 (m1 = 1) 40 : 100 (m2 = 2) 60 : 150 (m3 = 3) 80 : 200 (m4 = 4) 100 : 250 (m5 = 5) . Bababoi

Hope I helped

Step-by-step explanation:

8 0
2 years ago
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I have to write the slope and equation of each line pictured in y = mx + b form.
Brut [27]

Answer:

y=7/3x+8

Step-by-step explanation:

You have to start at the 3and rise all the way to the 8 which is 7 and then run which is 3 so the slope mx is 7/3x. To find b which is the y intercept find the point where the line hits the y-axis.

5 0
3 years ago
8 x - 4 (5 - x) = -44
Sphinxa [80]

8 x - 4 (5 - x) = -44

mutiply the bracket by -4

(-4)(5) = -20

(-4)(-x)= 4x

8x-20+4x= -44

8x+4x-20= -44 ( combine like terms )

12x-20= -44

move -20 to the other side

sign changes from -20 to +20

12x-20+20= -44+20

12x= -44+20

12x= -24

divide both sides by 12

12x/12= -24/12

Answer: x= -2

3 0
3 years ago
What is the value of the fourth term in a geometric sequence for which a=15 and r= 1/3
Andreyy89

Answer:

Step-by-step explanation:

hello :

the n-ieme term is : An=A1×r^(n-1)

A1 the first term       r : the common ratio

in this exercice : A1 =15        r = 1/3      n = 4

A4=15×(1/3)^(4) =15×4^4 =3840    

6 0
2 years ago
the sum of three times one number, x, and five times a second number,y, is 77. if the sum of the two numbers is 19, find the two
HACTEHA [7]

Answer:

x=9, y=10. (9, 10). The two numbers are 9 and 10.

Step-by-step explanation:

3x+5y=77

x+y=19

------------------

3x+5y=77

-3(x+y)=-3(19)

---------------------

3x+5y=77

-3x-3y=-57

-------------------

2y=20

y=20/2

y=10

x+10=19

x=19-10

x=9

5 0
3 years ago
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