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4 years ago

- (-(2)) = Math problem

Mathematics

1 answer:

pantera1 [17]4 years ago

6 0

Answer: 2

Step by step:........

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Three improper fractions for 4 1/2

Brut [27]

9/2, 18/4, 27/6 you just make a equivalent fraction then multiply the whole number by the denominator and add the numerator

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3 years ago

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Solve the simultaneous equation 2x+4y=1 3x+5y=7b

Lyrx [107]

Step-by-step explanation:

3x+5y=7b equation 1
2x+4y=1

2x=-4y+1

x=(-4y+1)/2
x=(-4y+1)/2 in equation 1

3×(-4y+1)/2+5y=7b

(-12y+3)/2+5y=7b

(-12y+3+10y)/2=7b

(-12y+3)/2=7b

-12y+3=14b

-12y=14b-3

y=3-14b/12
y=3-14b/12 in x=(-4y+1)/2

x=(-4×{3-14b/12}+1)/2

x=(-3+14b)/3+1/2

x=14b/3×1/2

x=7b/3

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3 years ago

Estimate the sum 9/50 + 7/15 A.0 B.1/2 C.1

vladimir1956 [14]

9/50 is close to 10/50 or 1/5 or 0.2
7/15 is close to 7/14 or 1/2 or 0.5
0.2 + 0.5 = 0.7
0.7 is closer to 0.5 than 1
The answer would be B

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3 years ago

Solve for x. (1 point) −3x + 2b > 8 x < the quantity negative 2 times b plus 8 all over negative 3 x > the quantity neg

masha68 [24]

Given:

$-3x+2b>8$

To find:

The value of x.

Solution:

We have,

$-3x+2b>8$

To find the value of x, we need to isolate x on one side.

Subtract 2b from both sides.

$-3x>8-2b$

Divide both sides by -3. On multiplying or dividing an inequality by a negative number, we need to change the sign of inequality.

$\dfrac{-3x}{-3}$

$x$

The required inequality for x is $x$ .

Therefore, the correct option is A.

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3 years ago

A car with a mass of 1,500 kg broke down on the side of the road. How much force will be required

Schach [20]

Answer:

the answer is 4,500kgm/s2

Step-by-step explanation:

force= mass × acceleration

$f = 1500 \times 3 \\ = 4500kgm {s}^{ - 2}$

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3 years ago