2 years ago

This table shows data collected by a runner.

Mathematics

1 answer:

kakasveta [241]2 years ago

8 0

Answer:

its the last anwser number 4

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Which expression have a value -7

vlabodo [156]

x+7=0

x=-7

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3 years ago

How many solutions does this system have <br> 2x+3y=-3<br> 3x+5y=-9

olga nikolaevna [1]

Step-by-step explanation:

please mark me as brainlest

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1 year ago

Last math question.

siniylev [52]

Answer:

Step-by-step explanation:

$\text{The slope-intercept form of an equation of a line:}\\\\y=mx+b\\\\m-\text{slope}\\b-\text{y-intercept}\\\\\text{Let}\\\\k:y=m_1x+b_1\\l:y=m_2x+b_2\\\\k\ \perp\ l\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\\\k\ ||\ l\iff m_1=m_2\\=========================$

$\text{We have}\ y=5x+2\to m_1=5\\\\\text{therefore}\ m_2=5.\\\\\text{Put the value of the slope and the coordinates of the given point (-2, 1)}\\\text{to the equation of a line:}\\\\1=5(-2)+b\\1=-10+b\qquad\text{add 10 to both sides}\\1+10=-10+10+b\\11=b\to b=11\\\\\text{Finally:}\\\\y=5x+11$

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3 years ago

There are 24 boys and 16 grils on a playground. What is the ratio of boys tototal number of children on the playground

tatuchka [14]

Answer:

24:40 or 3:5

Step-by-step explanation:

Boys: 24

All children: 24 + 16 = 40

Boys to total amount of children: 24:40

Simplify: 24:40 = 3:5

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2 years ago

What is the place value of 2 in 1025

tresset_1 [31]

Tens place value, like twenty five

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3 years ago