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yaroslaw [1]
3 years ago
11

Chris walked 5,227 steps on Monday, 6,841 steps on Tuesday, and 4,539 steps on Wednesday. Which most closely estimates the total

number of steps Chris walked?​
Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
4 0

Answer:

16, 607 steps

Step-by-step explanation:

By simply adding all of these numbers together, 5,227 + 6,841 + 4,539, you would get a grand total of 16,607 steps.

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n ΔABC, AB = 10 and BC = 5. Which expression is always true? A. 5 < AC < 10 B. AC = 5 C. 5 < AC < 15 D. AC = 10
Nataly [62]

Answer:

A. 5 < AC < 10

Step-by-step explanation:

If ∆ABC is a right angled triangle, we use the Pythagoras formula:

c² = a² + b²

Where c = longest side

When given sides AB, AC and BC, the formula becomes:

AB² = AC² + BC²

Where AB = Longest side

In the question,

AB = 10 and BC = 5.

10² = AC² + 5²

AC² = 10² - 5²

AC² = 100 - 25

AC² = 75

AC = √75

AC = 8.6602540378

Therefore, the expression that is always true = A. 5 < AC < 10

5 0
3 years ago
the number has three digits that add up to 10 when it is multiply by 0.5 the product is 6.35. whats the number?​
irina [24]

Answer:

i know

Step-by-step explanation:

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4 0
3 years ago
Write the ratio for cosB
natima [27]

Answer:

11/61

Step-by-step explanation:

cos b = adj side/hypotenuse

=11/61

4 0
2 years ago
Read 2 more answers
Find the difference of(ab+8a+1)-(-6ab+4)
vagabundo [1.1K]
Hey there!

When finding the difference of expressions like these, there's a few things you should keep in mind. 

1. When finding the difference of two polynomials, multiply the polynomial that implied to be "negative" by –1 to expand the problem and make it easier to solve. 

2. You combine terms based on their unknown terms, like x, y, x², ab, etc. You cannot combine the terms x and x², but you can combine the terms 6b and 8b by adding them. 

3. You can rearrange your terms however you see fit. If a polynomial is implied as "positive", you can multiply that entire polynomial by +1 to get rid of the parentheses. 

With all that in mind, you can go ahead and solve for your difference, like so:

(ab+8a+1)-(-6ab+4)

(ab+8a+1) (-1(-6ab+4))

(ab+8a+1) + (6ab-4)

ab+6ab+8a+1-4

7ab+8a-3

7ab+8a-3 will be your difference. 

Hope this helped you out! :-)
8 0
3 years ago
The function for the cost of materials to make a muffin is f(x) = Three fourths x + 3, where x is the number of muffins. The fun
velikii [3]
(3x+4)(x+3)
(3x20)(20+3)
(60)(23)
1380
8 0
3 years ago
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