2 years ago

Alguem pra me ajudar na minha prova de matematica daqui 10 min? 8 ano

Mathematics

1 answer:

o-na [289]2 years ago

3 0

Noenoenoenoenoenoenoenoenoe

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In the standard (x, y) coordinate plane, what is the slope of the line joining the points (3,7) and (4,−8)?

umka2103 [35]

$(3,7) \ and \ (4,-8)\\ \\ First \ find \ the \ slope \ of \ the \ line \ thru \ the \ points \: \\ \\ m= \frac{y_{2}-y_{1}}{x_{2}-x_{1} } \\ \\m=\frac{-8-7}{4-3} = \frac{-15}{1}=-15 \\ \\Now \ use \ y = mx + b \ with \ either \ point \ to \ find \ b, \ the \ y-intercept \ : \\ \\ y=mx+b \\ \\7=-15*3+b\\ \\7=-45 +b \\ \\b=7+45\\ \\b=52 \\ \\ y= - 5x+52 \ is \ the \ answer
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3 years ago

Becky took out an 80/20 mortgage on a $167,000 home. What is the amount

Aleonysh [2.5K]

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2 years ago

Read 2 more answers

4. Solve the equation.

shusha [124]

Answer:

=1187n

Step-by-step explanation:

5n+1182n=?

=1187n

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2 years ago

Blow X hold 494 pennies and Bowl Y holds 324 pennie how many pennies should be moved from blow X to bowl Y to make the number of

Tresset [83]

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c 85

Step-by-step explanation:

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3 years ago

Show work please find the volume of the following irregular space figure to the nearest whole number

artcher [175]

Answer:

144cm^3

Step-by-step explanation:

1) split the figure so you can find the volume of two rectangular prisms.

2) Find the volume of the first rectangular prism with the measurements of 2, 5, and 8. So the volume is 80

3) Find the volume of the second rectangular prism with the measurements of 4, 2, and 8. So you have 64

4) Add the two values 80+64.

5) Then that's your answer; 144

Hope this helps! :D

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