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3x + 40 = 5x - 45

2x = 85

x = 42.5

Answer:

☆<《HOPE IT WILL HELP YOU 》>☆

Step-by-step explanation:

3x + 40

3x+40=0

3x= -- 40

x= -- 40/3

5x--45

5x--45=0

5x= 45

x =45/5

x = 9

take out the square root of 543. 192

and secondly take out the cube root of same number which is given up

Answer:

He did not use the largest perfect square

Step-by-step explanation:

4      [tex]\sqrt{8}[/tex] is the correct answer

What is square root ?

In mathematics, a square root of a number x is a number y such that y² = x; in other words, a number y whose square is x. For example, 4 and −4 are square roots of 16, because 4² = ² = 16. The square root of any number can be expressed using the formula: √y = y½. In other words, if a number has 1/2 as its exponent, it means we need to find the square root of the number.

Given,

[tex]\sqrt{128}[/tex]

we divide the number 128 by 2 four times, we get

= [tex]\sqrt{8*2*2*2*2}[/tex]

= 2*2[tex]\sqrt{8}[/tex]

=4      [tex]\sqrt{8}[/tex]

Therefore, 4      [tex]\sqrt{8}[/tex] is the correct answer

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Answer:

2x - y = 0

Hope this helps

Answer:

y=2x

Step-by-step explanation:

when x =1,2,3 y=2,4,6 respectively so

y is the double of x

y=2x

hope it helps

Answer:

8 cans

Step-by-step explanation:

Answer:

8 cans

Hope I helped

y intercept= -4

slope=1

equation=    y=x-4

Answer:

Y intercept= -4

Slope= 1

Step-by-step explanation:

Answer:

The constant of porportionality is k = 12.5; the equation that describes the relationship is y = 12.5x.

Step-by-step explanation:

When you divide the miles by the hours, it's always 12.5, meaning that k must be 12.5.

If x is the hours and k is 12.5, the equation that describes the relationship is y = 12.5x.

Answer:

B.

Step-by-step explanation:

Answer:

− 8 x- 20,

x  = - 5/2

Step-by-step explanation:

rewrite 20 as 4 times 5,

and rewrite 8 as 4 times 2

= -4 times 2x - 4 times 5

= -4 (2x + 5)

Answer:

X=-8

Step-by-step explanation:

2 #7&"8*_8-*'7&-$(7

X<-8

On the number line, put the dot at -8 and shade to the left.

Answer:

(28 - 11.5) ÷ 5.5

Step-by-step explanation:

So let's examine this question.

We have already payed $11.50 the rent the canoe, so we have $16.50. Divide that by $5.50, and you get 3. So, 3 hours.

Now for the expression.

You start out with $28. You subtract $11.50 from it because it is being used to rent the canoe. You then divide your answer by $5.50 to determine how many hours you can use the canoe for.

Hmm.

(28 - 11.5) ÷ 5.5 = h

(28 - 11.5) ÷ 5.5 = 3

Answer:

The last one is the answer

Answer:

C. -4

Step-by-step explanation:

Answer:

4/3 or 1 1/3

Step-by-step explanation:

Step-by-step explanation:

The answer is

Distance is 42000 kmph

The distance the rocket has traveled after 1 hour with a speed of 700km/hour is 700 km.

Given,

A rocket is launched from the launch pad at a speed of 700 km/hr.

We need to find how far will the rocket has traveled after 1.0 hr.

Speed is the ratio of distance per time.

Speed = Distance /Time

Its unit is km/hour or m/second.

We have,

Speed = 700 km/h

Distance = D

Time = 1 hour

From the speed formula:

Speed = Distance / Time

700 = Distance / 1

700 km / hour x 1 hour = Distance

Distance = 700 km

Thus the distance the rocket traveled after 1 hour with a speed of 700km/hour is 700 km.

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Answer:

-1xy

-------

2x

Step-by-step explanation:

divide all by 3

Answer:

−1/2x^2y

Step-by-step explanation:

Answer:

Perimeter = A + B + C

Perimeter = 35

A = 2x

B = x+4

C = 13

35 = A + B + C

Step-by-step explanation:

35=2X+X+4+13

SUBTRACT 17 FROM EACH SIDE

18+3X

DIVIDE EACH SIDE BY THREE

X=6

THEREFORE,THE SIDES ARE 12, 10 AND 13

12+10+13=35

Answer: 6 and 7

Step-by-step explanation:

Answer:

7/24

Step-by-step explanation:

you times the numerators together and times the denominators together then you simplify

Answer:

3

Step-by-step explanation:

Answer:x=5

Step-by-step explanation:1 step subtract 2 from both sides 2 step:simplify 3 step: add 8x to both sides 4 step: simplify 5 step: divide both sides by -2 6step: simplify x=5

Answer:

x = 45

Step-by-step explanation:

[tex]540 + 6x = 810[/tex]

Step 1 : Collect like terms

[tex]6x = 810 - 540[/tex]

Step 2 : Simplify

[tex]6x = 270[/tex]

Divide both sides of the equation by 6

[tex] \frac{6x}{6} = \frac{270}{6} [/tex]

Step 4 : Simplify

[tex]x = 45[/tex]

I hope it helps :)

Answer:

Well...X=45

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation:540+6*x-(810)=0

Pull out like factors :-270 + 6x  =   6 • (x - 45)

Solve  :    x-45 = 0::

Add  45  to both sides of the equation:  x = 45

Given:

Total number of jewels = 1000

Emeralds = 600

Sapphires = 300

Rubies = 100 rubies

100 jewels she took randomly.

To find:

The probability that all 100 jewels she took were sapphires.

Solution:

Number of selected jewels = 100

Total number of jewels = 1000

We have to select 100 out of 1000.

So, the total number of outcomes [tex]=^{1000}C_{100}[/tex]

Number of sapphires = 300

We have to select 100 out of 300 sapphires .

So, the favorable outcomes [tex]=^{300}C_{100}[/tex]

Now,

[tex]\text{Required probability}=\dfrac{\text{Favorable outcomes}}{\text{Total outcomes}}[/tex]

[tex]\text{Required probability}=\dfrac{^{300}C_{100}}{^{1000}C_{100}}[/tex]

Therefore, the required probability is [tex]\dfrac{^{300}C_{100}}{^{1000}C_{100}}[/tex].

Answer:

[0,inf)

Step-by-step explanation:

inf means infinity logo

Answer:

29 is 1.50 i think

Step-by-step explanation:

Answer:

Area is 0.15. Measure ratio is 1:2.

Step-by-step explanation:

Area is length x width.

60 degree angle is half of 120 degree angle.

Answer:

-17/8

Step-by-step explanation:

Answer:

d

Step-by-step explanation:

Answer:

the answer is: "a ratio is a comparison of two numbers or measurements

Answer:

$0.84, 84 cents per pound.

Step-by-step explanation:

I hope that this helps. Have a good day!!

9.24 ÷ 11 = 0.84