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3 years ago

- 5/6e (the fraction) - 2/3e (the fraction)=-24

Mathematics

1 answer:

Wewaii [24]3 years ago

3 0

Answer:

I believe this is the correct answer. e = 16

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Solve for x. 4x-4< 8 AND 9x +5 > 23 is it a, b,c or d ?

Alex

Answer:

$A)\displaystyle2 < x < 3$

Step-by-step explanation:

A compound inequality is an inequality that combines two simple inequalities

we are given that

$\displaystyle 4x - 4 < 8 \ \: \text{and} \: \: 9x + 5 > 23$

solving x for the first equation:

$\displaystyle 4x - 4 < 8$

add 4 to both sides:

$\displaystyle 4x < 12$

divide both sides by 4 and since we are dividing both sides by a positive number the inequality won't swap

$\displaystyle x < 3$

solving x for the second equation:

$\displaystyle 9x + 5 > 23$

cancel 5 from both sides:

$\displaystyle 9x > 18$

divide both sides by 9 and since we are dividing both sides by a positive number:

$\displaystyle x > 2$

therefore by combining the equations we obtain:

$\displaystyle\boxed{2 < x < 3}$

hence,

our answer is A)

5 0

3 years ago

A model plane has a length of 26cm. The scale of the model is 1:50. Work out the length of the real plane. Give your answer in m

RideAnS [48]

1:50 means you do times 50 to get to real world size.

26 cm *50 = 1300 cm = 13 m

4 0

3 years ago

Can you please help me with 1-12? Thank you

Marysya12 [62]

Answer:

1. 18.84 in

2. 56.52 cm

Step-by-step explanation:

The circumference of a circle is the distance around the circle. Its found using the formula C = πd or C=2πr. The variable d represents the diameter or the distance from one edge of the circle to the other through the cent. The variable r represents the radius of a circle or the distance from one edge to the center. Use the formula by substituting a diameter or radius then simplify.

1. C = πd = π(6) = 3.14(6) = 18.84 in

2. C = 2πr = 2(3.14)(9) = 56.52 cm

6 0

4 years ago

there are x giraffes at the zoo the number of elephants is 4 less than three times the number of giraffes and there are more tha

kykrilka [37]

I need a bit more information to help

8 0

3 years ago

Find the sum: The blanks r subtraction signs

Evgen [1.6K]

Answer:

$8x^2+6x-17$

Step-by-step explanation:

All that we have to do is add the 3 and 5 so it's basically like combining like terms. So the first blank is 8.

Now we add the x and the 5x which is 6x, all we're doing is adding the x's.

Now we do add the two negative 10 and 7. So what is -10 + - 7 we add them normally but we'll still have the negative in front of them. So it's -17.

6 0

3 years ago