Mathematics, 20.10.2020 18:01, abilovessoftball
Andrew was making a science project for school. He worked for 6.6 hours the first week, 2.75 hours the second week, and 4.4 hours the third week.
Andrew used the following mental math strategy to find the total number of hours he worked on his project.
6
.
6
+
2
.
75
+
4
.
4
(
6
.
6
+
4
.
4
)
+
2
.
75
11
+
2
.
75
=
13
.
75
What is the reason for his strategy?
A.
It is easier to add decimals in a decreasing order than in a mixed order.
B.
6.6 and 4.4 are compatible numbers that are easy to add mentally.
C.
It is easier to add decimals with the same number of place values after the decimal point than adding decimals with different numbers of place values after the decimal point..
D.
Rounding removes the decimals and creates whole numbers.
Answers: 2
Mathematics, 21.06.2019 16:20, jaylanmahone223
Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?
Answers: 2
Mathematics, 21.06.2019 19:00, Madsissabell
1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?
Answers: 1
Mathematics, 21.06.2019 19:30, ramose7021
Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*
Answers: 2
Mathematics, 21.06.2019 20:00, raularriaga
You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account
Answers: 1
Andrew was making a science project for school. He worked for 6.6 hours the first week, 2.75 hours t...
Mathematics, 10.02.2021 18:20
Mathematics, 10.02.2021 18:20
Chemistry, 10.02.2021 18:20
Social Studies, 10.02.2021 18:20
Mathematics, 10.02.2021 18:20
Mathematics, 10.02.2021 18:20
Mathematics, 10.02.2021 18:20