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3 years ago

Solve Thais equation 2x=8(4x-5).

Mathematics

2 answers:

shutvik [7]3 years ago

8 0

Answer:

$x = \frac{40}{-30\\}$

Step-by-step explanation:

Lets start by working with our numbers on the right side of the equation.

Begin by using distributive property, turning:

2x = 8(4x - 5) into 2x = 32x - 40

To make things easier, lets subtract 32x on both sides

-30x = 40

Finally, divide by -30 on both sides to get our answered, simplified if necessary:

$x = \frac{40}{-30} = \frac{4}{-3} = -1.33$

Misha Larkins [42]3 years ago

6 0

4/3 in fraction form

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10. The expression 4 (2x-5)+7(x+2) can be written in simplest form as

ankoles [38]

Answer:

15x-6

Step-by-step explanation: 4 * 2x = 8x

4*-5 = -20

7*x = 7x

7*2= 14

Combine like terms 8x + 7x + 14-20

15x-6

4 0

2 years ago

A major airline company is concerned that its proportion of late arrivals has substantially increased in the past month. Histori

lutik1710 [3]

Answer:

The correct statement is

The null hypothesis is $H_o : p = 0.18$

The alternative hypothesis is $H_a : p > 0.18$

Step-by-step explanation:

From the question we are told that

The population proportion is p = 0.18

The sample size is n = 1240 airplane

The number of airplane is k = 310

Generally the sample proportion is

$\^ p = \frac{k}{n}$

=> $\^ p = \frac{310}{1240}$

=> $\^ p =0.25$

The null hypothesis is $H_o : p = 0.18$

The alternative hypothesis is $H_a : p > 0.18$

5 0

3 years ago

Mehwish's temperature at 9:00 .. Was 97.2 ℉. At 4:00 .. Her temperature was risen to 99 ℉. By how many degrees did her temperatu

ValentinkaMS [17]

Answer:

1.8° F

Step-by-step explanation:

Given that:

Mehwish's temperature at 9:00 = 97.2°F

Mehwish's temperature at 4:00 = 99°F

The degree rise in Mehwish's temperature is :

(Mehwish's temperature at 4:00 - Mehwish's temperature at 9:00)

(99°F - 97.2°F)

= 1.8°F

Therefore. The number of degree rise in Mehwish's temperature is 1.8°F

4 0

2 years ago

A bus can at most be filled with 36 passengers. If there are

raketka [301]

Answer:

if you subtract 36-25=11 so 11 more passenger can come in the bus

7 0

3 years ago

Solve the proportion. I need to show much work so a step by step explanation would help!

kkurt [141]

Answer:

Solution: x=5

Step-by-step explanation:

Equations

This is an equation in the form of a proportion or ratio:

$\displaystyle \frac{2}{x+3}=\frac{5}{4x}$

To solve it, we eliminate the denominators by multiplying by both of them.

Multiply by (x+3)(4x):

$\displaystyle (x+3)(4x)\frac{2}{x+3}=(x+3)(4x)\frac{5}{4x}$

Simplify both sides:

$(4x)*2=(x+3)*5$

Operate:

$8x=5x+15$

Simplify:

$3x=15$

Solve for x:

$x=15/3=5$

Solution: x=5

5 0

3 years ago