Please help me with the questions Please please please ASAP please please help please please ASAP please please

Answer:

(5,-1) or x=5 y=-1

Step-by-step explanation:

I used the substitution method to solve this!

1. Pick one of your equations and solve for one of the variables. I chose the first equation and solved for x.

x-2y=7

(Move the -2y to the other side of the equation in order to get the x by itself. You do the opposite, so it becomes +2y.)

x=2y+7

2. Now take your second equation and plug in what you got for x into the x variable.

2(2y+7)+5y=5

(Multiple 2 by everything inside of the parentheses.)

4y+14+5y=5

(We want to get the y by itself, so move the 14 to the other side.)

4y+5y=-14+5

(Combine all the like terms.)

9y=-9

(Divide the 9 from the y. What you do to one side you must do to the other.)

y=-1

3. Since you have one variable solved for. Now take the first equation and plug in your y.

x-2(-1)=7

(Multiple -2 by -1)

x+2=7

(Move the 2 to the other side in order to get the x by itself.)

x=5

4. If needed, plug in your x and y values into the equations in order to check your answer.

Hope this could help!

Answer:

b

Step-by-step explanation:

Answer

10X

Step-by-step explanation:

12X-2X

=10X

Answer:

radius: 3 units <----> Circumference: 18.84 units

Diameter: 12 units <----> Circumference: 37.68 units

Diameter: 36 units <----> Circumference: 113.04 units

Radios: 5 unites <----> Circumference: 31.4 units

Step-by-step explanation:

How I got the answers for the radiuses:

3 (this is only half the diameter so if you do 3 x 2 you will get the diameter.)

3 x 2 = 6

C = pi x d

C = 3.14 x 6

C = 18.84 [this is the first radios]

5 (this is only half the diameter so if you do 5 x 2 you will get the diameter.)

5 x 2 = 10

C = pi x d

C = 3.14 x 10

C = 31.4 [this is the second radios]

How I got the diameters:

12 (this is the full diameter so we do not have to multiply it by 2)

C = pi x d

C = 3.14 x 12

C = 37.68 [this is the first Diameter]

36 (this is the full diameter so we do not have to multiply it by 2)

C = pi x d

C = 3.14 x 36

C = 113.04 [this is the second Diameter]

Step-by-step explanation:

28. a=422000 (1+12%)^8

=1044856.46

29 a=13000 (1+15%)^-5

=6463.29

30 a=1250 (1+8%)^11

=2914.548

using compound interest formula

Answer:

21a-14b

15b-20a

Step-by-step explanation:

Answer: a + 3b

Step-by-step explanation:

Okay, so...

7(3a - 2b) = 7(3a) - 7(2b) ... distributive property

21a - 14b

5(3b - 4a) = 5(3b) - 5(4a) ... distributive property

15b - 20a

(21a - 14b) + (15b - 20a) = 21a -12b + 15b - 20a =

a + 3b

Answer:

Step-by-step explanation:

Second step : multiply

The answer will be 51

16

Simplifying 51/16 , the answer is

l hope it helps ❤❤

Mixed number is the combination of the whole number and the fraction number. The whole and the part of the whole combined can be expressed as a mixed numbers. the result of the division of the two mixed number is [tex]3\dfrac{3}{16}[/tex].

Given information;

The mixed numbers given is the problem are  [tex]8\dfrac{1}{3} [/tex]  and [tex]2\dfrac{2}{3} [/tex]

Mixed number is the combination of the whole number and the fraction number. The whole and the part of the whole combined can be expressed as a mixed numbers.

Now the given mixed number has to be divided. This number can be divided by converting into the proper fraction numbers. Let I is the result when the two numbers are divided. Thus,

[tex]x=8\dfrac{1}{2} \div 2\dfrac{2}{3} \\ [/tex]

To solve this convert the mixed numbers into the fraction number. For this multiply the denominator to the whole number and then add in the numerator. Thus,

[tex]x=\dfrac{16+1}{2} \div \dfrac{6+2}{3} \\ x=\dfrac{17}{2} \div \dfrac{8}{3} \\ [/tex]

Convert the divide sign into the multiply sign by changing the numerator to the denominator of one of the fraction.

[tex]x=\dfrac{17}{2}\times \dfrac{3}{8} \\ x=\dfrac{51}{16}\\[/tex]

As 16 can divide the number 51 in 3 times with reminder 3. Thus the mixed number for the above fraction can be written as,

[tex]x=3\dfrac{3}{16}[/tex]

Thus the result of the division of the two mixed number is [tex]3\dfrac{3}{16}[/tex].

Learn  more about the mixed number here;

https://brainly.com/question/2639375

Answer:

just use symbola

and place the two things you have

Step-by-step explanation:

i use it alot it helps you understand the y-intercept and x-intercept and ou can zoom in and zoom out also you can mark the ponts and change the line to make it a different color

Answer:

-18b⁻⁴

Step-by-step explanation:

You are distributing the -3b⁴. You just need to multiply the terms.

-3 · 6 = -18

b⁴ · b⁻⁸ = b⁻⁴

All together that makes -18b⁻⁴.

Answer:

770

Step-by-step explanation:

280 divided by 4 = 70 so every year is 70 year increase

770 but it asked to round so by 2001 it increased to 770

Answer:

c

Step-by-step explanation:

xxxxx

Answer:

C

Step-by-step explanation:

A net is formed when the surfaces of a given shape is laid flat on a horizontal plane. And on folding it with respect to its edges, the initial shape is reproduced with no distortion or loss.

From the given question, the net that would not produce a cube is that of option C.

Answer:

C = $13

A = $35

Step-by-step explanation:

The computation is shown below:

Let us assume the Adults be A

And children be C

So the first equation would be

65A + 56C = $3,003

And, the second equation is

86A + 62C = $3,816

Now multiply by 86 in equation 1 and 65 in equation 2

5,590A + 4,816C = $258,258

5,590A + 4,030C = $248,040

786C = 10,218

C = $13

And A is

65A + 56($13) = $3,003

65A + $728 = $3,003

65A = $3003 - $728

65A = $2,275

A = $35

Answer:

belize

Step-by-step explanation:

Answer:

Belize

Step-by-step explanation:

i dont know if its right tell me if im wrong

Answer:

~Re-write the equation~

SOLVE:

5x(3)+4x (2-9)+(2x+1)+(2x2+x-3)

5(1)(3)=15

4(2-9)=8+36=44

2x+1=3

2x2+x-3:4(1)-3=1

15+44+3+1

ANSWER=63x

Step-by-step explanation:

I wasn't quite sure because of the way you wrote it but here's an answer!

Answer:

1215

Step-by-step explanation:

[tex] 2430 \div 2 = 1215[/tex]

Answer:

f(5)=33f of 5 is equal to 33

Step-by-step explanation:

f(5)=33f of 5 is equal to 33ieieieuejehrdjdjhdhhrhd

Answer:

answer

ndnsnxnskxnajxj

Answer: 3/4 of a cup is 0.75

Step-by-step explanation:

Answer:8/6 and 4/3

Step-by-step explanation:

Quite simple. Just count the amount of squares, which is 8. Now do the same for the triangles, which is 6.

So 8/6

You can also reduce that by dividing it my 2 so it is now 4/3

So click both 8/6 and 4/3

Answer:

363

Step-by-step explanation:

Hope its right

Answer:

363 gallons

Step-by-step explanation:

550 % 100 x 66 = 363

Answer:

selling price=Rp 540,000.00.

profit=20%

cost price=selling price- profit% of cost price

cost price+profit% of cost price=selling price

cost price (1+20%)=Rp 540,000.00.

cost price=Rp 540,000.00./(1+20/100)=Rp 450000.00 is your answer

Answer:

11.75

Step-by-step explanation:

5x+3x-4+90 = 180

(the sum of interior angles of a triangle is always 180

8x-4+90 = 180

+4              +4

8x+90=184

-90       -90

8x=90

/8    /8

x = 11.75

The value of x from the given right triangle ABC is 11.75°.

Angle sum property of triangle states that the sum of interior angles of a triangle is 180°.

Given that, triangle ABC is a right triangle with m∠A=5x°, m∠B=(3x−4)° and m∠C=90°.

Here, m∠A+m∠B+m∠C=180°

5x°+(3x−4)°+90°=180°

5x°+(3x−4)°=90°

8x°-4°=90°

8x°=94°

x=94/8

x=11.75°

So, 5x= 5×11.75 =58.75° and (3x−4)°=3×11.75-4

= 35.25-4

= 31.25°

Therefore, the value of x is 11.75°.

To learn more about the angle sum property of a triangle visit:

https://brainly.com/question/8492819.

#SPJ6

Answer:

Step-by-step explanation:

Use vertical angles to help solve the problem. Angles that are across from each other are congruent. For exmaple,  <2 = 85 degrees because the angle across from it is 85 degrees. I assume angle 1 is 95 degrees, so angle 3 would also be 95 degrees.

Answer:

odd multiples of [tex]\frac{\pi }{2}[/tex]

Answer:

Same quanitity.

Step-by-step explanation:

The Soup Shack usually makes tomato soup with 9 tomatoes for every 12 bowls of soup.

Today, they made 8 bowls of soup with 6 tomatoes.

We need to compare today's soup to the usual recipe.

For 9 tomatoes for every 12 bowls of soup = [tex]\dfrac{9}{12}=\dfrac{3}{4}[/tex]

For 8 bowls of soup with 6 tomatoes = [tex]\dfrac{6}{8}=\dfrac{3}{4}[/tex]

It means we can see that both the soup has the same quantity. Hence, this is the required solution.

Answer:

i think it is -11 srry if wrong

Step-by-step explanation:

Answer:

5x-7y+14=0

y= -14/5+7/5y

Step-by-step explanation:

Answer:

y-intercept = 2

Step-by-step explanation:

Write in slope y-intercept form

y = mx + b

5x - 7y = -14

    -7y = -5x - 14

Divide the equation by (-7)

[tex]\frac{-7y}{-7}=\frac{-5x}{-7} -\frac{14}{-7}\\\\y = \frac{5}{7}x+2[/tex]

rhoumbus that is what I use and got right!!

Step-by-step explanation:

9514 1404 393

Answer:

  y = x - 3

Step-by-step explanation:

The given point is on the line. The dilation stretches the line along its length, but does not change its equation. In slope-intercept form the equation of the given line, and that of the dilated line, is ...

  y = x - 3

In standard form, it is ...

  x - y = 3

In the given form, it is ...

  2x -2y = 6