stasia02
stasia02
23-09-2016
Mathematics
contestada
Estimate then find the difference or sum
86+17
Respuesta :
Аноним
Аноним
23-09-2016
Estimation for addition: 8
6
rounds up to 90 and 1
7
rounds up to 20 so:
90 + 20 = 110
Estimation for subtraction is the same thing but with subtraction
90 - 20 = 70
Now for the exact answers:
86 + 17 = 103
86 - 17 = 69
Your answers are
110, 70, 103, and 69.
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
If f(x) = 4x + 7, which of the following is the inverse of f(x)? O A. f-'(x) = 4x - 7 O B. f'() = *=4 C. FGx) = 7 - 4x O D. F"(x) = *z?
Which two undefined geometric terms always describe figures with no beginning or end?
Solve for x: √3-x+13=1
Read the paragraph and answer the question that follows: The town of Belmond, Iowa, needs to add weather sirens. The loud and steady wail would warn citizens of
What is the value of f(4)in the function below? F(x)=1/4•2^x
15pppp!!!What is the percent of change from 56 to 22??! round to the nearest percent!!??.
what do we call a specific variant of a character? A.gene B.trait C.locus
Is it true that since sin^2x + cos^2x = 1, then sin(x) + cos(x) = 1? Explain your answer.
How long does it take a wheel that is rotating at 33.3 rpm to speed up to 78.0 rpm if it has an angular acceleration of 2.15 rad/s^2?
use the distributive property to rewrite the expression without parentheses (3-w)2
