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11Alexandr11 [23.1K]
3 years ago
12

Answer 1-9 please help i will give thanks or brainiest 10 points

Mathematics
1 answer:
vlabodo [156]3 years ago
5 0
Is for number 1 number 2 is

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Nathan participated in a 5k race. He walked 1/4 of the way , jogged 3/5 of the way , and run 3/20 of the way
marishachu [46]

Answer:

4.25 km (See Below)

Step-by-step explanation:

<em>The question is:</em>

<em>How many kilometers did Nathan walk and jog?</em>

<u>Solution:</u>

He walked 1/4th of 5 kilometer race

He jogged 3/5th of 5 kilometers race

Rest, he ran.

We need total km he ran and jog. That is (1/4) + (3/5)th:

\frac{1}{4}+\frac{3}{5}=\frac{5+3(4)}{20}=\frac{17}{20}

So, we find 17/20th of 5, which is:

\frac{17}{20}*5=4.25

So, Nathan walked and jogged 4.25 km of the race.

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3 years ago
Write the expression 5x+2x^2-7+2x^3
avanturin [10]

2x^3+2x^2+5x-7, That would be the answer.

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Alex777 [14]

Answer:

hey, i tried my best with this. lmk if its correct.

Step-by-step explanation:

(its the bold answer btw)

7 0
3 years ago
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Lucy draws a line on a coordinate plane. Which transformation will always result in a line perpendicular to Lucy’s line? Questio
Ostrovityanka [42]

Lucy draws a line on a coordinate plane. We have to identify the transformation which will always result in a line perpendicular to Lucy’s line.

Referring to the given options.

By rotating 270 degrees clockwise around the origin, Lucy will get a line perpendicular to the Lucy's line. As, when we rotate 270 degrees clockwise about the origin, we multiplies the x coordinate by '-1' and interchanges the x and y coordinate, which gives the line which is always perpendicular to the Lucy's given line.

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X squared minus 11x minus 5 = 0
Sati [7]
Huh I’m confused what your asking
8 0
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