3 years ago

FINAL EXAM PLEASSE HELP

Mathematics

1 answer:

krok68 [10]3 years ago

3 0

f(3) = -4 as 3 lies between 2 and 5

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Prove that quadrilateral Q(1, -2), D(13, 4), A(6, 8) and U(-2, 4) is a trapezoid. Slope of AD ___________ Slope of QD __________

Leno4ka [110]

Sorry i don’t really know

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3 years ago

What is the 32nd term of the arithmetic sequence where a1 = –33 and a9 = –121?

Aleksandr-060686 [28]

$a_1=-33;\ a_9=-121\\\\a_9-a_1=8d\\\\8d=-121-(-33)\\8d=-121+33\\8d=-88\ \ \ \ |divide\ both\ sides\ by\ 8\\d=-11\\\\a_{32}=a_1+31d\\\\a_{32}=-33+31\cdot(-11)=-33-341=-374\\\\Answer:\boxed{a_{32}=-374}$

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3 years ago

Read 2 more answers

Claire runs a rooftop nursery garden in the heart of the city. One day, she cuts 25 tulips, 32 violets, and 40 sunflowers. She s

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8 0

4 years ago

23 is 12% of what number

Anon25 [30]

$\frac { 12 }{ 100 } \cdot x=23\\ \\ \Rightarrow \quad \frac { 3 }{ 25 } \cdot x=23\\ \\ \Rightarrow \quad \frac { 25 }{ 3 } \cdot \frac { 3 }{ 25 } \cdot x=23\cdot \frac { 25 }{ 3 } \\ \\ \Rightarrow \quad x=\frac { \left( 20+3 \right) \left( 25 \right) }{ 3 } \\ \\ \Rightarrow \quad x=\frac { 500+75 }{ 3 } \\ \\ \Rightarrow \quad x=\frac { 575 }{ 3 }$

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4 years ago

LeAnn wants to giftwrap a present she got for her little brother. How many square inches of giftwrap will be needed to cover a b

Crazy boy [7]

Just find the surface area. 5*7=35, but 35*2=7<span>0</span>, because the top and bottom. Then do 7*3*2=42, for 2 parallel sides, and then 3*5*2=30. Now add 70+30+42=142 square inches. There's your answer.

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3 years ago