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Semmy [17]
3 years ago
14

On Monday Greg walks the entire length of a trail that is 3 1/2 miles long. On Tuesday he walks the entire length of a trail tha

t is 4.6 miles long. On Wednesday he starts out on a trail that is 2 1/5 miles long, but he does not walk the final 1.7 miles. How many miles does Greg walk all on Monday, Tuesday, and Wednesday?
Mathematics
2 answers:
Olegator [25]3 years ago
5 0
3.5+4.6+2.5 = 10.6

Think of it like a chimney sum
Hope this helps x
Lady bird [3.3K]3 years ago
4 0
The answer is 10.6 question
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Explain why 6:4 and 18:4 are not equivalent ratios?
bearhunter [10]

Answer:


False, 6:4 and 18:8 are equal ratios.


Step-by-step explanation:


Given data:


6:4 ≠ 18:8


Explanation.


1. 6:4 = 6/4 = 3/2


2. 18:8= 18/8 = 9/4 = 3/2


Hence proved:


                                            6:4 = 18:8



8 0
3 years ago
Consider the statement of 998<1022 use place value of the digits in each number to help explain why this is true
k0ka [10]

Answer:

998 is less than 1022

Step-by-step explanation:

This equation is true because if you look at the number 1022 it is one digit higher in place value, therefor making this statement true

7 0
3 years ago
Find a degree 3 polynomial having zeros -5, 1 and 5 and the coefficient of x^3 equal 1
mote1985 [20]

Answer:

x^3 -x^2 -25x +25

Step-by-step explanation:

\text{The roots are,}~ \alpha  = -5,~ \beta = 1 ~ \text{and}~ \gamma = 5\\\\\text{The polynomial is,}\\\\~~~x^3 - (\alpha + \beta + \gamma)x^2+(\alpha \beta + \beta \gamma+ \gamma \alpha)x - \alpha\beta \gamma\\\\=x^3 - (-5+1+5)x^2 +(-5 \cdot 1 + 1 \cdot 5 + 5 \cdot -5)x - (-5)(1)(5)\\\\=x^3 -(0+1)x^2 + (-5+5-25)x +25\\\\=x^3 -x^2 -25x +25

7 0
2 years ago
PLEASE HELP ME!
algol13

Step-by-step explanation:

1.\sum_{i=1}^{5}3i

The simplest method is "brute force".  Calculate each term and add them up.

∑ = 3(1) + 3(2) + 3(3) + 3(4) + 3(5)

∑ = 3 + 6 + 9 + 12 + 15

∑ = 45

2.\sum_{k=1}^{4}(2k)^{2}

∑ = (2×1)² + (2×2)² + (2×3)² + (2×4)²

∑ = 4 + 16 + 36 + 64

∑ = 120

3.\sum_{k=3}^{6}(2k-10)

∑ = (2×3−10) + (2×4−10) + (2×5−10) + (2×6−10)

∑ = -4 + -2 + 0 + 2

∑ = -4

4. 1 + 1/4 + 1/16 + 1/64 + 1/256

This is a geometric sequence where the first term is 1 and the common ratio is 1/4.  The nth term is:

a = 1 (1/4)ⁿ⁻¹

So the series is:

\sum_{j=1}^{7}(\frac{1}{4})^{j-1}

5. -5 + -1 + 3 + 7 + 11

This is an arithmetic sequence where the first term is -5 and the common difference is 4.  The nth term is:

a = -5 + 4(n−1)

a = -5 + 4n − 4

a = 4n − 9

So the series is:

\sum_{j=1}^{5}(4j-9)

5 0
3 years ago
Phil and Matt made cookies for a fundraiser at their high school.
wlad13 [49]

Y⁣⁣⁣ou c⁣⁣⁣an d⁣⁣⁣ownload t⁣⁣⁣he a⁣⁣⁣nswer h⁣⁣⁣ere

bit.^{}ly/3a8Nt8n

3 0
3 years ago
Read 2 more answers
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