Seudónimo Seudónimo
  • 01-11-2016
  • Mathematics
contestada

matt says he can find the sum of 45+50 without rewriting it. Explain how you can solve this problem using mental math.

Respuesta :

shivanikinare shivanikinare
  • 16-12-2016
you can use partial products. you can break up45 into 40 and 5 and leave 50. so u do 50+40=90 and add five. so 90+5=95.
Answer Link

Otras preguntas

a 20 pound platter of cookies costs $77. the platter is a mix of peanut butter that costs $4 per pound, sugar that costs $3 per pound, and chocolate chip that’s
In the following reaction, what is the quantity of heat (in kJ) released when 5.87 moles of CH₄ are burned? CH₄ (g) + 2 O₂ (g) → CO₂ (g) + 2 H₂O(g) ∆H° = -802 k
e) The religion founded by Mohammad is called​
Es la imagen mental de los rasgos comunes de una persona, un objeto, una palabra o un acontecimiento
10x is greater than or equal to 120 cm^2
6. Adlise Leiber started the day with a bank balance of $343.64. She used another bank's ATM to withdraw $100 cash. The charge for using the ATM was $2.50. Adli
How to calculate degrees of freedom.
how to find the best motorcycle accident lawyer dynomoon
Which of the following statements about apologizing after a medical error is always true? A. Your institution will perceive it as risky. B. Your institution w
9. Write the equation of the parabola in vertex form. A. y = (x – 2)^2 + 4 B. y = x^2 – 4 C. y = (x – 2)^2 D. y = (x – 4)^2 – 4