Help plz and thank u

Answer/Step-by-step explanation:

Given:

Emiliano thinks x = 40 is the solution to the equation 1/2x = 80

Note:

An equation is the statement that equalizes two mathematical expressions.

An expression is the combination of variables and constants connected with mathematical operations.

Solve:

Substituting the value of x, in the equation

1/2(4) = 80

    20 ≠ 80

Thus,   it isn't satisfied. Hence, Emiliano's answer is wrong.    

Correct Way to Solve;                

Multiply both sides by 2

2 · [tex]\frac{1}{2}x[/tex] = 80 · 2

Simplify

x = 160

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Answer:

600 billion toys

Step-by-step explanation:

40,000 × 15,000,000 = 600,000,000,000

Answer:

1886.5

Step-by-step explanation:

2πr=154

2*22/7*r=154

44/7r=154

44r=1078

r=24.5

now,

area=πr²

     =22/7*(24.5)²

    =1886.5

Answer:

a

Step-by-step explanation:

because of the line test

Answer:

1,035 divide by 5 = 207

1,766 divide by 8 = 220.75

Letters are

No repetitions

Distinct permutation:-

Answer:

2

Step-by-step explanation:

Answer:

(1 / 2 US cups) / (1 / 4 US cups) = 2

Step-by-step explanation:

PLZ MARK Brainliest

Answer:

Put an open circle on 5 and have the arrow point in the positive direction.

Step-by-step explanation:

Answer:

a > 5 or a ∈ ( 5 , ∞ )

Step-by-step explanation:

I'm not sure but I think the answer is - 1/2

Answer:

-188, -187, -186

Step-by-step explanation:

x + (x+1) +(x+2) will usually be the formula for questions like this. If there wer 4 consecutive numbers, you just add (x+3) and so on.

The three integers are:

x + (x+1) + (x+2)   Simplify this :

3x+3 = -561       Get 3x by itself, subtract 3 on both sides:

    -3    -3

3x = -564   Find x divide -564 and 3:

x = -188

-188 is the first number now you count up.

-188 is the first number, -187 is the second, -186 is the third.

Hope this helps : )

Answer:

=> 28 - x = 24

=> x = 24 - 28

=> x = -4

therefore, 28 - 4 = 24

Answer:

3. What figures are formed when a diagonal is drawn in a quadrilateral

a. triangles

4. which is TRUE about the sides of a parallelogram?

b. 2 pairs of sides are parallel and equal

5. if two diagonal are drawn in a rhombus or in a square, which of the following will be formed

a. 2 triangles of the same size

6. which of the following describes the sides of a square or of a rhombus

c. all sides are equal​

Answer:

Last graph: [tex]\langle-7,-9\rangle[/tex]

Step-by-step explanation:

Here, [tex]u=\langle-2,-7\rangle[/tex] and [tex]v=\langle5,2\rangle[/tex]. Thus, [tex]u-v=\langle(-2)-5,(-7)-2\rangle=\langle-7,-9\rangle[/tex], making the last graph the correct answer.

Answer:

x=92

Step-by-step explanation:

360-60-90-73-45=92

Answer:

two balls are of the same color

Step-by-step explanation:

5 blue and 3 red. so its not the same number of each. and there is no white balls.

Answer:

1/3 - (-5/3) = 2

Step-by-step explanation:

1/3 - (-5/3)

Subtracting a negative is the same as adding a positive.

1/3 + 5/3 = 6/3, or 2

Answer:

its A

Step-by-step explanation:

Answer:

It is c

Step-by-step explanation:

Answer:

The correct option is ⇒ Point W means that that unit rate is $2.5 per pound.

Step-by-step explanation:

The question missing the graph and the options

The options for the questions are:

1) Point R means that that unit rate is $10 per pound.

2) Point R means that that unit rate is 4 pounds per dollar

3) Point W means that that unit rate is $2.5 per pound.

4) Point W means that that unit rate is 2.5 pounds per dollar.

And see the attached figure.

As shown in the figure attached

The unit rate will be the total cost per weight

By calculating the unit rate for the graph = (y2-y1)/(x2-x1)

using the given points (4,10) , (1,2.5)

the unit rate = (10-2.5)/(4-1) = 7.5/3 = 2.5

The unit rate means that it will cost $2.5 per pound and this is a gree with the point W which have the same meaning.

So, The correct answer is option 3.

Step-by-step explanation:

As we know that the area of an equilateral triangle with side a is given by ;

So , now using formula in our question, putting the value of the side, we can thus obtain

[tex]{:\implies \quad \sf Area=\dfrac{\sqrt{3}}{4}(16)^{2}}[/tex]

Putting value of √3 ≈ 1.73 and cancelling 4 we have ;

[tex]{:\implies \quad \sf Area\approx 1.73\times 64}[/tex]

[tex]{:\implies \quad \sf Area\approx 110.72\:\: cm^{2}}[/tex]

[tex]{:\implies \quad \sf Area\approx 110.7\:\: cm^{2}}[/tex]

This is the required answer

Answer:

30454

Step-by-step explanation:

subtraction on a calculator

42812-12358=30454

Answer:

yes, (I think)

because 27 more students left this year with a pass and last year the percentage would of been lower I don't know

The college is incorrect, it is 28.125%

Percentage is defined as ratio expressed as a fraction of 100.

No. of students in college in last year = 123 -27 = 96

The number of students leaving college ratio = (27/96)×100%

⇒0.28125×100%

⇒28.125%

The college says,

'The number of students leaving college with a pass in English has increased by 24% from last year

Hence, The college is incorrect, it is 28.125%

Learn more about percentage

brainly.com/question/24159063

#SPJ2

Answer:

36

Step-by-step explanation:

you simplify 26 simplify it again and the simplify answer is 36

Answer:

1 / 100. is the answer. got it correct.

Step-by-step explanation:

Answer:

it is 1

Step-by-step explanation:

The power of 0 causes all numbers to negate to 1.
Anything to the power of 0 is 1

For example:

(10)^0 = 1