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Debora [2.8K]
2 years ago
6

Evaluate the following expression when b = -2.4 2 x 5x =

Mathematics
1 answer:
Illusion [34]2 years ago
3 0
Are you sure it’s b or is it x?
You might be interested in
By what percent will a fraction decrease if its numerator is increased by 20% and its denominator is increased by 50%?
Angelina_Jolie [31]

Answer:

  20%

Step-by-step explanation:

With those changes, the fraction is multiplied by ...

  \dfrac{1+.20}{1+.50}=1-\dfrac{.30}{1.50}=1-0.20

That is, the value of the fraction is decreased by 20%.

5 0
3 years ago
Read 2 more answers
The product of a number and ten is twelve more than the product of the number and five-eighths.
ra1l [238]
Let the unknown number be x.

Given,

10 * x = 12 +  \frac{5}{8}  * x

10x = 12 +  \frac{5x}{8}

10x -  \frac{5x}{8} = 12

\frac{(10x*8)-5x}{8} = 12

80x-5x =12*8

75x = 96

x = \frac{96}{75} = 1.28

Hence, the number is 1.28
3 0
3 years ago
Find the other endpoint of the line segment if:
Vesna [10]

Answer:

<em>( - 15, - 16 ) </em>

Step-by-step explanation:

Coordinates of midpoint are ( \frac{x_{1} +x_{2} }{2} , \frac{y_{1} +y_{2} }{2} )

( - 5 + x ) / 2 = - 10 ⇒ x = - 15

( 4 + y ) / 2 = - 6 ⇒ y = - 16

<em>( - 15, - 16 )</em>

5 0
2 years ago
The measure of ∠A is 35° more than three times the measure of ∠B. The sum of their measures is 135°. Find m ∠A and m ∠B
Margaret [11]
A is 110 degrees and B is 25
8 0
2 years ago
I need to study for a test tomorrow and I got these questions online can anyone please tell me the answers.
puteri [66]
1) 4x+6= 10; x=1
2) c + 5= 15; c=10
3) 2 - a= 18; a= -16
4) -8x=16; x= -2
5) a+6= 12; a=6
6) 3+b= 18; b=6
7) -5 - x= 19; x= -24
8) 7+4b= 34; b= 6.75
7 0
3 years ago
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