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2 years ago

238 +439 round you're answer to the. earest dollar

Mathematics

1 answer:

Paha777 [63]2 years ago

8 0

Answer:

677

Step-by-step explanation:

238 + 439 = 677

It is t possible to round it form the ones (dollar) place.

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My son is seven times older than my grandson and iam 12 times older than my grandson. All of our ages added together equal 100

n200080 [17]

Answer:

5 (grandson's age now)

35 (son's age now)

60 (father's age now)

Step-by-step explanation:

5 0

2 years ago

Point B is on line segment AC . Given AB=3x,AB=3x, BC=4x+8,BC=4x+8, and AC=5x+10,AC=5x+10, determine the numerical length of AC

kolezko [41]

Answer:

AC = 15

Step-by-step explanation:

3x + 4x + 8 = 5x + 10

7x + 8 = 5x + 10

2x + 8 = 10

2x = 2

x = 1

5(1) + 10 = 15

3 0

2 years ago

Read 2 more answers

Find the solution set of this inequality|10x+20| ≤10

Pavlova-9 [17]

Answer:

solution is

[-3,-1]

Step-by-step explanation:

we are given

$|10x+20|\leq 10$

Firstly, we will find critical values

so, let's assume it is equal

$|10x+20|= 10$

now, we can break absolute sign

For $|10x+20|= -(10x+20)$ :

$-(10x+20)= 10$

we can solve for x

$-10x-20= 10$

Add both sides by 20

$-10x-20+20= 10+20$

$-10x= 30$

Divide both sides by -10

and we get

$x=-3$

For $|10x+20|= (10x+20)$ :

$(10x+20)= 10$

we can solve for x

$10x+20= 10$

Subtract both sides by 20

$10x+20-20= 10-20$

$10x= -10$

Divide both sides by 10

and we get

$x=-1$

so, critical values are

$x=-3$

$x=-1$

now, we can draw a number line and locate these values

and then we can check inequality on each intervals

For $(-\infty,-3)$ :

We can select any random value from this interval and plug that in inequality

and we get

we can plug x=-5

$|10\times -5+20|\leq 10$

$|-50+20|\leq 10$

$30\leq 10$

so, this is FALSE

For $[-3,-1]$ :

We can select any random value from this interval and plug that in inequality

and we get

we can plug x=-2

$|10\times -2+20|\leq 10$

$|-20+20|\leq 10$

$0\leq 10$

so, this is TRUE

For $(-1,\infty)$ :

We can select any random value from this interval and plug that in inequality

and we get

we can plug x=0

$|10\times 0+20|\leq 10$

$|0+20|\leq 10$

$20\leq 10$

so, this is FALSE

so, solution is

[-3,-1]

7 0

2 years ago

A student wants to know how many 1 cm cubes will fit into a 10 cm by 8cm by 12cm box what is the measure is the student trying t

Serga [27]

We know that
[volume of the box]=10*8*12-------> 960 cm³

[volume of 1 cube]= 1 cm*1 cm*1 cm-----> 1 cm³
960/1----> 960 cubes

therefore

the answer is
the option D volume

4 0

2 years ago

Read 2 more answers

Sylvia's income from a full time job is 500 dollars per week . How much is Sylvia's annual income

geniusboy [140]

Answer:

$26,000 for all 52 weeks

Step-by-step explanation:

52 x 500 is 26,000

5 0

1 year ago

Read 2 more answers

238 +439 round you're answer to the. earest dollar​

238 +439 round you're answer to the. earest dollar