MATHEMATICS HIGH SCHOOL

Serafina had 30 stickers. She gave the same number of stickers to each of her 3 friends. Now she has 18 stickers left. How many stickers did she give to each friend?

Answers

Answer 1

Answer:

Answer:

4 stickers were given to her three friends

Step-by-step explanation:

30 -18=12

12 sticker were distributed to safrina's 3 friends

so, 12÷3 =4

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Oxfam America, Doctors Without Borders, and the Red Cross are examples of __________.a. IRBDs
b. IDAs
c. NGOs
d. IMFs

Which of the following countries is the largest shareholder in the World Bank?
a. Japan
b. France
c. the United States
d. the United Kingdom

Answers

Answer:

The correct answers are the option C to question number 1 and the option C to question number 2.

Step-by-step explanation:

Non-Governmental Organization, or NGO, is the name given to the organizations that are not under the control and direction of any government, therefore they are independent. Moreover, it is very common that they tend to be non-profit organization that focus on humanitarians and social aspects.

Oxfam America is an international confederation of 19 NGOs members whose main purpose is to fight against poverty and suffering in 90 countries.

Doctors Without Borders is an international humanitarian medical NGO whose main work has covered conflict zones and regions affected by endemic diseases helping those in need.

Red Cross is also an international humanitarian movement whose main focus is on protecting life and human health.

The World Bank is an international financial institution whose main purpose is to provides loans to poorer countries that need it for long run capital proyects which involves development and reconstruction most of the time. It is financed by the most powerful countries and its major shareholder is the United States, followed by Japan, China and other 17 members on the list.

number 1 is C.NGOs
number 2 is C. United States

4y+5x=15x=8y+3

I am in Algebra 1 and kind of stuck on this problem. Can anyone help me out

Answers

$If...x=8y+3$ ⇒ $4y+5x=4y+5\cdot(8y+3)=4y+40y+15=44y+15$

$44y+15=15$ ⇒ $44y=0$ ⇒ $\boxed {y=0}$

$x=8\cdot0+3$ $\boxed { x=3 }$

4y+5x=15x=8y+3

4y+5*(8y+3)=15

4y+40y+15=15

44y=0

y=0

x=8y+3

x=8*0+3

x=3

In one month, Jason earns $32.50 less than twice the amount Kevin earns. Jason earns $212.50. How much does Kevin earn?

Answers

Answer:

Kevin earns $122.5 a month.

Step-by-step explanation:

First we sum, 212.5 + 32.5 = 245 which is twice the amount of $ Kevin makes in a month, so we divide by 2, 245/2 which is 122.5

Solve x2 + 20x + 100 = 36 for x.a. x = –16 or x = –4
b. x = –10
c. x = –8
d.x = 4 or x = 16

Answers

x² + 20x + 100 = 36⇒ x² + 20x + 100 - 36 = 0⇒ x² + 20x + 64 =0

Δ = b²-4ac = 20² -4·1·64 = 400-256 = 144

x₁= (-b+√Δ)/2a = (-20+√144)/2·1 = (-20+12)/2 = -8/2 = -4
x₂= (-b-√Δ)/2a = (-20-√144)/2·1 = (-20-12)/2 = -32/2 = -16

x=-4 or x=-16

The solution to the quadratic equation x² + 20x + 100 = 36 is x = 4 or x = -16 option (a) is correct.

What is a quadratic equation?

Any equation of the form $\rm ax^2+bx+c=0$ where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.