Can you please tell me if I’m correct thank you

Answer:

So, the value of mn is 72.

Step-by-step explanation:

Given, m−n=16 and m  

2

+n  

2

=400

We know that, (m−n)  

2

=m  

2

+n  

2

−2mn   ... (i)

By putting the given values in equation (i),

(16)  

2

=400−2mn

256=400—2mn

256−400=−2mn

—144=−2mn

72=mn

So, the value of mn is 72.

Answer:

28.85

Step-by-step explanation:

Plug the values in and solve.

G = 5u + 2y

G = 5(2.89) + 2(5.7)

G = 14.45 + 11.4

G = 25.85

Answer:

B because that is how you do substitution and all of the other ones do not make sense

Answer:

d = 1.75 miles

Step-by-step explanation:

A track team ran 8 and 3/4 miles in 5 days.

We need to find the distance covered by it each day. Let the distance is d.

[tex]8\dfrac{3}{4}[/tex] miles in 5 days

or

[tex]\dfrac{35}{4}[/tex] miles in 5 days.

[tex]1\ day=\dfrac{\dfrac{35}{4}}{5}\\\\=1.75\ \text{miles}[/tex]

So, each day the team will cover 1.75 miles.

Answer:

x=9

Step-by-step explanation:

By the Isosceles Triangle Theorem the angles opposite to the congruent angles in an isosceles triangle are congruent.

So 2x-10=8

x=9

Answer:

The system of equations is given as:

x + y = 2.5 .... Equation 1

1.8x + 1.8y = 4.05....Equation 2

Step-by-step explanation:

Kiran says, "I bought 2.5 pounds of red and yellow lentils. Both were $1.80 per pound. I spent a total of $4.05

Let

x represent red lentils

y represent yellow lentils.

x + y = 2.5 .... Equation 1

x = 2.5 - y

$1.80 × x + $1.80 × y = $4.05

1.80x + 1.80y = 4.05....Equation 2

The system of equations is given as:

x + y = 2.5 .... Equation 1

1.8x + 1.8y = 4.05....Equation 2

Answer:

B?

Step-by-step explanation:

What is the multiple choice here? I can only assume that it meant 51 miles/ 3 gallons but I can't be certain.

Answer:

-235

Step-by-step explanation:

hope that helps :)))

Answer:

18 right foot players: 6 left foot players

Step-by-step explanation:

Let's write an equation

we do 3x+x=24

4x=24

x=6

Let me know if you have any questions

Answer:

y =20 x + 25 (answer B in the list of options)

Step-by-step explanation:

y = 25 + 20 x = 20 x + 25

being 25 the flat fee and 20 the price per bottle

Answer:

B. y = 20x + 25

Step-by-step explanation:

The flat fee of $25 is our b, and the fee of $20 is our m. When we put this in slope intercept form, it looks like y = 20x + 25. That means B is the correct answer.

Answer:

(a+b)1/3+a^2

Step-by-step explanation:

Hope it helps!

Answer:

18

Step-by-step explanation:

brainliest plsssssssss

Answer:

18

Step-by-step explanation:

Someone deleted my first answer :(

Answer:

His total hours he worked is;

21

Step-by-step explanation:

The of hours between 9:00 A.M.  and 4:30 P.M. are;

[tex]\begin{array}{ccc}From \ 9:00 \, A.M. & to \ 10:00\, A.M. & = 1 \, Hour\\From \ 10:00 \, A.M. & to \ 11:00\, A.M. & = 1 \, Hour\\From \ 11:00 \, A.M. & to \ 12:00 \, P.M. & = 1 \, Hour\\From \ 12:00 \, P.M. & to \ 1:00 \, P.M. & = 1 \,Hour\\From \ 1:00 \, P.M. & to \ 2:00 \, P.M. & = 1 \,Hour\\From \ 2:00 \, P.M. & to \ 3:00 \, P.M. & = 1 \,Hour\\From \ 3:00 \, P.M. & to \ 4:00 \, P.M. & = 1 \,Hour\\From \ 4:00 \, P.M. & to \ 4:30 \, P.M. & = 0.5 \, Hour \end{array}[/tex]

Sum of the hours Harold Crispen spends at the workplace on a workday = (1 + 1 + 1 + 1 + 1 + 1 + 1 + 0.5) hours = 7.5 hours

The time Harold Crispen take for launch each workday = 0.5 hour

The number of hours Harold Crispen spend working each day = (7.5 - 0.5) hour

The number of hours Harold Crispen spend working each day = 7.0 hours/day

The number of days he worked = Monday + Tuesday + Thursday = 3 days

The total hours he worked = (The number of hours he works each day) × (The number of days he worked)

His total hours he worked = 7.0 hours/day × 3 days = 21.0 hours.

find the area the get the premiraterStep-by-step explanation:add

Answer: C

Step-by-step explanation:

Answer:

he makes $11.34 and hour and $113.40 in 10 hours

Step-by-step explanation:

you divide 453.6 by 40 to get the 1 hour part and then divide it by 4 to get the 10 hour part

The amount of money that he earns in one hour and in 10 hours will be $11.34 and $113.4, respectively.

The rate is the ratio of the amount of something to the unit. For example - If the speed of the car is 20 km/h it means the car travels 20 km in one hour.

The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.

Clifford works 40 hours per week while working as a laboratory technician. He earns $453.60 for each week of work.

The amount of money that he earns in each hour is given as,

Rate = $453.60 / 40

Rate = $11.34 per hour

The amount of money that he earns in 10 hours is given as,

⇒ $11.34 x 10

⇒ $113.4

More about the rate link is given below.

https://brainly.com/question/14731228

#SPJ2

Answer:

3

Step-by-step explanation:

What we can see from your table is that as x goes up by 1 y goes down by one

This means that the slope is -x

We also see that when x=0 y=6 which means that the y intercept is 6

this means your equation is

-x+6

We can now plug in x for 3 and get

-3+6=y

y=3

the answer is 3

9514 1404 393

Answer:

  [tex]\dfrac{5}{2}\left(k-\dfrac{4}{5}\right)[/tex]

Step-by-step explanation:

When you factor out 5/2, each term gets divided by 5/2. Equivalently, each term is multiplied by 2/5.

  [tex]\dfrac{5}{2}k-2=\dfrac{5}{2}\cdot\dfrac{2}{5}\left(\dfrac{5}{2}k-2\right)=\dfrac{5}{2}\left(\dfrac{2}{5}\cdot\dfrac{5}{2}k-\dfrac{2}{5}\cdot2\right)\\\\ =\boxed{\dfrac{5}{2}\left(k-\dfrac{4}{5}\right)}[/tex]

Answer:

The value of  [tex]x = \frac{1}{6}[/tex]

The length of the rectangle   [tex]= \frac{3}{2}[/tex] cm

The width of the rectangle  = [tex]\frac{16}{3}[/tex] cm

Step-by-step explanation:

Step(i):-

Given that area of the rectangle = 8 cm²

Length of the rectangle (l) = 3x+1

width of the rectangle (w) = 2x+5

The area of the rectangle = length × width

Given that area of the rectangle = 8 cm²

Step(ii):-

Now

                   (3x+1) ( 2x+5)    = 8

       ⇒      3x(2x+5) +1(2x+5) =8

                    6 x² + 15x + 2x +5 =8

         ⇒     6 x² + 17x -3 =0

        ⇒      6 x² + 18x -x -3 =0

       ⇒   6 x ( x+3) -1(x+3) =0

       ⇒   6x -1 =0  and  x +3 =0

              [tex]6x = 1[/tex]  and   x =-3

             [tex]x = \frac{1}{6}[/tex]

The length of the rectangle

                               [tex]= 3 (\frac{1}{6} ) +1 \\= \frac{3}{2}[/tex]

The width of the rectangle

                            [tex]= 2 (\frac{1}{6} ) +5[/tex]

                            = [tex]\frac{16}{3}[/tex]

Answer:

its D

Step-by-step explanation:

i took the quiz dont listen to the othr guy

wat great is this this is so hard i traid

Answer:

18$

Step-by-step explanation:

0.9*25-4.5= 18

Answer:

18

Step-by-step explanation:

I did the maps test

Answer: There are 3 quarters , 9 dimes and 14 pennies.

Step-by-step explanation:

Let x= Number of quarters

Then, Number of dimes = 3x

Number of pennies = 3x+5

1 quarter = $ 0.25

1 dime = $0.10

1 penny = $ 0.01

So, Total amount = 0.25x+ 0.10(3x) + 0.01(3x+5)

= 0.25x+0.30x+ 0.03x+0.05

= 0.58x+0.05

Since Total amount = 1 dollar and 79 cents = $ 1.79  [1 cent = $ 0.01]

So,

[tex]0.58x+0.05=1.79\\\\\Rightarrow\ 0.58x= 1.74\\\\\Rightarrow x=\dfrac{1.74}{0.58}\\\\\Rightarrow x=3[/tex]

Thus, there are 3 quarters , 9 dimes , 14 pennies.

Answer:

Step-by-step explanation:

there are 3 quarters , 9 dimes , 14 pennies.

Answer:

40% of 240 = 96

Step-by-step explanation:

x = 240 × 40/100

x = 96

[tex]\bold{of = multiply}\\\bold{40\% \ of\ 240}\\ \\ \bold{40\% = \dfrac{4}{100}=\dfrac{2}{5}}\\ \\ \bold{\dfrac{2}{5}\times240=\underline{96}}\\\\\\\boxed{\boxed{\bold{Answer: \bold{\underline{96}}}}}\checkmark[/tex]

Answer:

5: A

6:C

7: No solution, the lines are parallel

8 part 1: A

8 part 2: D

and then I can't really read the rest of 9 but can tell you that B is true

Step-by-step explanation:

I'll assume that you need help with all of it and I don't know what the elimination method is so I just used desmos if you need me to explain it leave a comment

Answer: 9.6 would be the correct answer.

Answer:

9.6

Step-by-step explanation:

I used a calculator

Hope this helps. Have a nice day you amazing bean child.

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1) x=10

2)x=8

3)x=9

Those are the answers for each equation

there’s a pic.