johniyabrown26
johniyabrown26 johniyabrown26
  • 01-02-2019
  • Mathematics
contestada

If a + b = 28 and a - b = 10, then b =?

Respuesta :

frostwhisker309 frostwhisker309
  • 03-02-2019

Answer:

b=9

Step-by-step explanation:


Answer Link

Otras preguntas

Find the measure of the angles in the diagram
Which statements are true about the expression 7(2w-4)? Check all that apply. -To simplify, distribute 2w to 7 and 4. -7(2w) can be rewritten as 14w. -7(2w-4)
____________________ can happen anywhere along the spine if the neural tube does not close all the way. The backbone that protects the spinal cord does not for
Which color of light has the greatest frequency?
Water, H2O, is a molecule made of oxygen and hydrogen. The bonds that hold water molecules together are due to shared ___________, and known as covalent bonds.
Which equation has a slope m=−3/8
Part of a large wooden art project will be a triangle formed by joint three boards together the artist has four boards that measure 16 feet,11 feet,7feet and 3f
which expressions are equivalent to the one below?check all that apply. 21^x/3^xA.(21-3)^xB.7C.7^xD.(21/3)^xE.7^x*3^x/3^xF.3^x
Which technique did Chippewa artists use to make designs on birch bark baskets and canoes? A. painting B. drawing C. printing D. scratching
How did each of these lead to the American revolution?