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3 years ago

HELP ME PLEASE ITS MATH

Mathematics

2 answers:

zysi [14]3 years ago

6 0

Answer:

D. 5 units

Step-by-step explanation:

Using the pythagorean theorem:

$a^2 + b^2 = c^2\\a = 3\\b=4\\3^2 + 4^2 = c^2\\9 + 16 = c^2\\25 = c^2\\c= 5$

Here's a picture of what this looks like and a deeper explanation:

viktelen [127]3 years ago

4 0

Answer:

the answer is C because all you need to do is just count how many there are

Step-by-step explanation:

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Last year, 7600 athletes finished a marathon in Lakeside, This year there were 6156 athletes finishing. What is the percent decr

NemiM [27]

Answer:

6156/7600=0.81 1-0.81= 0.19 THERE IS A 0.19% decrease in the number of finishers

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Step-by-step explanation:

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3 years ago

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a particular truck in a transportation fleet was driven 194,070 miles last year versus 329,919 miles this year . by what percent

Ann [662]

We take as the 100% the 194070 miles from last year. Then, we apply a rule of three:

$\begin{gathered} 194070\rightarrow100\text{ \%} \\ 329919\rightarrow x\text{ \%} \\ \Rightarrow x=\frac{329919\cdot100}{194070}=\frac{32991900}{194070}=170 \\ x=170\text{ \%} \end{gathered}$

Since 329,919 is the 170% of last year's miles, then the increase was of 70%

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2 years ago

What is 57/7 ? Division

polet [3.4K]

Answer:

8.142

Step-by-step explanation:

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3 years ago

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Use the graph to find the y-intercept and axis of symmetry

Greeley [361]

Answer: (a) and (d)

Step-by-step explanation:

From the graph, vertex is at

Graph is same about the point $x=2$ . Therefore, axis of symmetry is the line $x=2$

Y intercept is the place where curve intersect the Y-axis that is $(0,2)$

Option (a) and (d) are correct.

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3 years ago

Simplify the expression. 8.8 + 3.2y − 0.5(16y − 3)

Solnce55 [7]

Expand

8.8 + 3.2y - 8y + 1.5

Collect like terms

(8.8 + 1.5) + (3.2y - 8y)

Simplify

10.3 - 4.8y

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3 years ago