All categories

3 years ago

The sum of two numbers is -20. The difference of the two numbers is -48. What are the two numbers?

1 answer:

3 0

34 and -14 as proven here:

Sum: 34 + -14 = 20
Difference: 34 - -14 = 48

just the opposite (when it says negative it gonna be positive)

You might be interested in

Find how long it takes for $500 to double if it is invested at 6% interest compounded monthly

EastWind [94]

Answer:

11.581 years

Step-by-step explanation:

Formula:

$AV=PV(1+\frac{i}{n})^{nt}\\1000=500(1+\frac{.06}{12})^{12t}\\2=1.005^{12t}\\log_{1.005}2=12t\\138.9757=12t\\t=11.5813$

6 0

3 years ago

Please help me.Find the value of x in the isosceles triangle shown below

blagie [28]

There is an isosceles triangle.

The triangle is like two right triangles put together.

To find out the height of the triangle, we remove the other right triangle and we use the other triangle to find the height using the Pythagorean theorem.

Phytagoras Theorem :

b² = c² - a²

x² = 8² - (6÷2)²

x² = 64 - 3²

x² = 64 - 9

x² = 55

x = √55

So, the value of x is √55 (B)

Hope it helpful and useful :)

4 0

3 years ago

Will mark brainliest

TEA [102]

Answer:

The width is 2.

Step-by-step explanation:

The equation is 2 x 3 x ? = 12.

It is 2 long

It is 3 in height

2 x 3 = 6

6 x 2 = 12

so 2 is the width.

5 0

3 years ago

Need help with this please

KonstantinChe [14]

Answer:

72 cent

Step-by-step explanation:

7 0

3 years ago

Si un triángulo tiene una hipotenusa de 15 cm y un cateto que mide 12 cm, ¿cual es la longitud del otro cateto?

BartSMP [9]

Answer:

9cm

Explicación:

El teorema de pitagoras nos dice que la hipotenusa al cuadrado es igual a la suma de los catetos al cuadrado:

$c^{2} =a^{2} + b^{2}$

Donde c es la hipotenusa y a y b son los catetos.

Por lo cual, podemos reemplazar c por 15cm y a por 12cm :

$15^{2} =12^{2} +b^{2}$

Finalmente , debemos resolver la ecuación para b, así que b es igual a :

$225=144+b^{2} \\225-144=144+b^{2} -144\\81=b^{2} \\\sqrt{81} =b\\9=b$

Por lo tanto, la longitud del otro cateto es 9 cm

3 0

3 years ago